What is the best way to travel from Cardiff to Southampton?
Looking for a trip? Check and compare all the available Buses and Trains to Southampton from Cardiff. Look at different modes of transportation, search for the cheapest tickets, fastest rides and most popular stations, and see all 3 available companies to find your perfect trip!
What is the cheapest way to reach Southampton from Cardiff?
You can reach Southampton with just £12 by taking a Bus from National Express, but there are many more cheap offers: we have selected the best ones for you for the next few days here.
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National Express6h 45m019:45CardiffCoach Station02:30SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 28/04/2025 19:45:00 to Coach Station, Southampton (United Kingdom) arriving at 29/04/2025 02:30:00. 50 Economy ticket for £12 per person are available. Travel duration is 6h 45m
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National Express6h 50m017:30CardiffCoach Station00:20SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 28/04/2025 17:30:00 to Coach Station, Southampton (United Kingdom) arriving at 29/04/2025 00:20:00. 50 Economy ticket for £13 per person are available. Travel duration is 6h 50m
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National Express7h 15m010:00CardiffCoach Station17:15SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 28/04/2025 10:00:00 to Coach Station, Southampton (United Kingdom) arriving at 28/04/2025 17:15:00. 50 Economy ticket for £22 per person are available. Travel duration is 7h 15m
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National Express6h 20m016:30CardiffCoach Station22:50SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 28/04/2025 16:30:00 to Coach Station, Southampton (United Kingdom) arriving at 28/04/2025 22:50:00. 50 Economy ticket for £32 per person are available. Travel duration is 6h 20m
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National Express5h 50m003:25CardiffCoach Station09:15SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 28/04/2025 03:25:00 to Coach Station, Southampton (United Kingdom) arriving at 28/04/2025 09:15:00. 50 Economy ticket for £34 per person are available. Travel duration is 5h 50m
Cheapest Buses Monday
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National Express7h 15m019:15CardiffCoach Station02:30SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 29/04/2025 19:15:00 to Coach Station, Southampton (United Kingdom) arriving at 30/04/2025 02:30:00. 50 Economy ticket for £18 per person are available. Travel duration is 7h 15m
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National Express7h 5m008:00CardiffCoach Station15:05SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 29/04/2025 08:00:00 to Coach Station, Southampton (United Kingdom) arriving at 29/04/2025 15:05:00. 50 Economy ticket for £19 per person are available. Travel duration is 7h 5m
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National Express7h 25m009:45CardiffCoach Station17:10SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 29/04/2025 09:45:00 to Coach Station, Southampton (United Kingdom) arriving at 29/04/2025 17:10:00. 50 Economy ticket for £19 per person are available. Travel duration is 7h 25m
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National Express7h 44m018:31Bristol AirportBristol Airport02:15SouthamptonUniversity0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 29/04/2025 18:31:00 to University, Southampton (United Kingdom) arriving at 30/04/2025 02:15:00. 50 Economy ticket for £24 per person are available. Travel duration is 7h 44m
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National Express7h 59m018:31Bristol AirportBristol Airport02:30SouthamptonCoach Station0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 29/04/2025 18:31:00 to Coach Station, Southampton (United Kingdom) arriving at 30/04/2025 02:30:00. 50 Economy ticket for £24 per person are available. Travel duration is 7h 59m
Cheapest Buses Tuesday
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National Express7h 15m019:15CardiffCoach Station02:30SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 30/04/2025 19:15:00 to Coach Station, Southampton (United Kingdom) arriving at 01/05/2025 02:30:00. 50 Economy ticket for £16 per person are available. Travel duration is 7h 15m
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National Express7h 25m009:45CardiffCoach Station17:10SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 30/04/2025 09:45:00 to Coach Station, Southampton (United Kingdom) arriving at 30/04/2025 17:10:00. 50 Economy ticket for £18 per person are available. Travel duration is 7h 25m
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National Express7h 5m008:00CardiffCoach Station15:05SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 30/04/2025 08:00:00 to Coach Station, Southampton (United Kingdom) arriving at 30/04/2025 15:05:00. 50 Economy ticket for £20 per person are available. Travel duration is 7h 5m
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National Express5h 55m004:30CardiffCoach Station10:25SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 30/04/2025 04:30:00 to Coach Station, Southampton (United Kingdom) arriving at 30/04/2025 10:25:00. 50 Economy ticket for £41 per person are available. Travel duration is 5h 55m
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National Express6h 50m014:55CardiffCoach Station21:45SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 30/04/2025 14:55:00 to Coach Station, Southampton (United Kingdom) arriving at 30/04/2025 21:45:00. 50 Economy ticket for £41 per person are available. Travel duration is 6h 50m
Cheapest Buses Wednesday
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National Express7h 25m009:45CardiffCoach Station17:10SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 01/05/2025 09:45:00 to Coach Station, Southampton (United Kingdom) arriving at 01/05/2025 17:10:00. 50 Economy ticket for £18 per person are available. Travel duration is 7h 25m
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National Express7h 15m019:15CardiffCoach Station02:30SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 01/05/2025 19:15:00 to Coach Station, Southampton (United Kingdom) arriving at 02/05/2025 02:30:00. 50 Economy ticket for £18 per person are available. Travel duration is 7h 15m
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National Express7h 5m008:00CardiffCoach Station15:05SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 01/05/2025 08:00:00 to Coach Station, Southampton (United Kingdom) arriving at 01/05/2025 15:05:00. 50 Economy ticket for £21 per person are available. Travel duration is 7h 5m
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National Express7h 44m018:31Bristol AirportBristol Airport02:15SouthamptonUniversity0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 01/05/2025 18:31:00 to University, Southampton (United Kingdom) arriving at 02/05/2025 02:15:00. 50 Economy ticket for £24 per person are available. Travel duration is 7h 44m
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National Express7h 59m018:31Bristol AirportBristol Airport02:30SouthamptonCoach Station0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 01/05/2025 18:31:00 to Coach Station, Southampton (United Kingdom) arriving at 02/05/2025 02:30:00. 50 Economy ticket for £24 per person are available. Travel duration is 7h 59m
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Transport for Wales2h 58m006:05CardiffPenarth Train Station09:03SouthamptonCentral Station0EconomyA Train from Transport for Wales goes from Penarth Train Station, Cardiff (United Kingdom) at 01/05/2025 06:05:00 to Central Station, Southampton (United Kingdom) arriving at 01/05/2025 09:03:00. 50 Economy ticket for £37 per person are available. Travel duration is 2h 58m
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Transport for Wales3h 0m007:05CardiffPenarth Train Station10:05SouthamptonCentral Station0EconomyA Train from Transport for Wales goes from Penarth Train Station, Cardiff (United Kingdom) at 01/05/2025 07:05:00 to Central Station, Southampton (United Kingdom) arriving at 01/05/2025 10:05:00. 50 Economy ticket for £37 per person are available. Travel duration is 3h 0m
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Transport for Wales2h 58m008:05CardiffPenarth Train Station11:03SouthamptonCentral Station0EconomyA Train from Transport for Wales goes from Penarth Train Station, Cardiff (United Kingdom) at 01/05/2025 08:05:00 to Central Station, Southampton (United Kingdom) arriving at 01/05/2025 11:03:00. 50 Economy ticket for £37 per person are available. Travel duration is 2h 58m
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Transport for Wales2h 57m009:05CardiffPenarth Train Station12:02SouthamptonCentral Station0EconomyA Train from Transport for Wales goes from Penarth Train Station, Cardiff (United Kingdom) at 01/05/2025 09:05:00 to Central Station, Southampton (United Kingdom) arriving at 01/05/2025 12:02:00. 50 Economy ticket for £37 per person are available. Travel duration is 2h 57m
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Transport for Wales2h 57m009:50CardiffPenarth Train Station12:47SouthamptonCentral Station0EconomyA Train from Transport for Wales goes from Penarth Train Station, Cardiff (United Kingdom) at 01/05/2025 09:50:00 to Central Station, Southampton (United Kingdom) arriving at 01/05/2025 12:47:00. 50 Economy ticket for £115 per person are available. Travel duration is 2h 57m
Cheapest Buses Thursday
Cheapest Trains Thursday
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National Express6h 50m017:30CardiffCoach Station00:20SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 02/05/2025 17:30:00 to Coach Station, Southampton (United Kingdom) arriving at 03/05/2025 00:20:00. 50 Economy ticket for £20 per person are available. Travel duration is 6h 50m
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National Express6h 45m019:45CardiffCoach Station02:30SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 02/05/2025 19:45:00 to Coach Station, Southampton (United Kingdom) arriving at 03/05/2025 02:30:00. 50 Economy ticket for £20 per person are available. Travel duration is 6h 45m
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National Express7h 30m010:00CardiffCoach Station17:30SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 02/05/2025 10:00:00 to Coach Station, Southampton (United Kingdom) arriving at 02/05/2025 17:30:00. 50 Economy ticket for £28 per person are available. Travel duration is 7h 30m
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National Express7h 17m019:13Bristol AirportBristol Airport02:30SouthamptonCoach Station0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 02/05/2025 19:13:00 to Coach Station, Southampton (United Kingdom) arriving at 03/05/2025 02:30:00. 50 Economy ticket for £30 per person are available. Travel duration is 7h 17m
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National Express7h 25m016:55Bristol AirportBristol Airport00:20SouthamptonCoach Station0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 02/05/2025 16:55:00 to Coach Station, Southampton (United Kingdom) arriving at 03/05/2025 00:20:00. 50 Economy ticket for £31 per person are available. Travel duration is 7h 25m
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Transport for Wales2h 58m006:05CardiffPenarth Train Station09:03SouthamptonCentral Station0EconomyA Train from Transport for Wales goes from Penarth Train Station, Cardiff (United Kingdom) at 02/05/2025 06:05:00 to Central Station, Southampton (United Kingdom) arriving at 02/05/2025 09:03:00. 50 Economy ticket for £57 per person are available. Travel duration is 2h 58m
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Transport for Wales3h 0m007:05CardiffPenarth Train Station10:05SouthamptonCentral Station0EconomyA Train from Transport for Wales goes from Penarth Train Station, Cardiff (United Kingdom) at 02/05/2025 07:05:00 to Central Station, Southampton (United Kingdom) arriving at 02/05/2025 10:05:00. 50 Economy ticket for £57 per person are available. Travel duration is 3h 0m
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Transport for Wales2h 58m008:05CardiffPenarth Train Station11:03SouthamptonCentral Station0EconomyA Train from Transport for Wales goes from Penarth Train Station, Cardiff (United Kingdom) at 02/05/2025 08:05:00 to Central Station, Southampton (United Kingdom) arriving at 02/05/2025 11:03:00. 50 Economy ticket for £57 per person are available. Travel duration is 2h 58m
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Great Western Railway (GWR)3h 19m005:07CardiffCentral Station08:26SouthamptonCentral Station0EconomyA Train from Great Western Railway (GWR) goes from Central Station, Cardiff (United Kingdom) at 02/05/2025 05:07:00 to Central Station, Southampton (United Kingdom) arriving at 02/05/2025 08:26:00. 50 Economy ticket for £108 per person are available. Travel duration is 3h 19m
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Great Western Railway (GWR)2h 48m005:54CardiffCentral Station08:42SouthamptonCentral Station0EconomyA Train from Great Western Railway (GWR) goes from Central Station, Cardiff (United Kingdom) at 02/05/2025 05:54:00 to Central Station, Southampton (United Kingdom) arriving at 02/05/2025 08:42:00. 50 Economy ticket for £155 per person are available. Travel duration is 2h 48m
Cheapest Buses Friday
Cheapest Trains Friday
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National Express6h 50m017:30CardiffCoach Station00:20SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 03/05/2025 17:30:00 to Coach Station, Southampton (United Kingdom) arriving at 04/05/2025 00:20:00. 50 Economy ticket for £20 per person are available. Travel duration is 6h 50m
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National Express6h 45m019:45CardiffCoach Station02:30SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 03/05/2025 19:45:00 to Coach Station, Southampton (United Kingdom) arriving at 04/05/2025 02:30:00. 50 Economy ticket for £20 per person are available. Travel duration is 6h 45m
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National Express7h 0m010:00CardiffCoach Station17:00SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 03/05/2025 10:00:00 to Coach Station, Southampton (United Kingdom) arriving at 03/05/2025 17:00:00. 50 Economy ticket for £25 per person are available. Travel duration is 7h 0m
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National Express6h 40m005:55CardiffCoach Station12:35SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 03/05/2025 05:55:00 to Coach Station, Southampton (United Kingdom) arriving at 03/05/2025 12:35:00. 50 Economy ticket for £31 per person are available. Travel duration is 6h 40m
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National Express6h 10m005:40CardiffCoach Station11:50SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 03/05/2025 05:40:00 to Coach Station, Southampton (United Kingdom) arriving at 03/05/2025 11:50:00. 50 Economy ticket for £38 per person are available. Travel duration is 6h 10m
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Transport for Wales3h 13m006:50CardiffPenarth Train Station10:03SouthamptonCentral Station0EconomyA Train from Transport for Wales goes from Penarth Train Station, Cardiff (United Kingdom) at 03/05/2025 06:50:00 to Central Station, Southampton (United Kingdom) arriving at 03/05/2025 10:03:00. 50 Economy ticket for £36 per person are available. Travel duration is 3h 13m
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Transport for Wales3h 13m007:50CardiffPenarth Train Station11:03SouthamptonCentral Station0EconomyA Train from Transport for Wales goes from Penarth Train Station, Cardiff (United Kingdom) at 03/05/2025 07:50:00 to Central Station, Southampton (United Kingdom) arriving at 03/05/2025 11:03:00. 50 Economy ticket for £36 per person are available. Travel duration is 3h 13m
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Transport for Wales3h 14m008:50CardiffPenarth Train Station12:04SouthamptonCentral Station0EconomyA Train from Transport for Wales goes from Penarth Train Station, Cardiff (United Kingdom) at 03/05/2025 08:50:00 to Central Station, Southampton (United Kingdom) arriving at 03/05/2025 12:04:00. 50 Economy ticket for £36 per person are available. Travel duration is 3h 14m
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Great Western Railway (GWR)2h 32m006:30CardiffCentral Station09:02SouthamptonCentral Station0EconomyA Train from Great Western Railway (GWR) goes from Central Station, Cardiff (United Kingdom) at 03/05/2025 06:30:00 to Central Station, Southampton (United Kingdom) arriving at 03/05/2025 09:02:00. 50 Economy ticket for £54 per person are available. Travel duration is 2h 32m
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Great Western Railway (GWR)2h 36m007:27CardiffCentral Station10:03SouthamptonCentral Station0EconomyA Train from Great Western Railway (GWR) goes from Central Station, Cardiff (United Kingdom) at 03/05/2025 07:27:00 to Central Station, Southampton (United Kingdom) arriving at 03/05/2025 10:03:00. 50 Economy ticket for £54 per person are available. Travel duration is 2h 36m
Cheapest Buses Saturday
Cheapest Trains Saturday
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National Express6h 40m005:55CardiffCoach Station12:35SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 04/05/2025 05:55:00 to Coach Station, Southampton (United Kingdom) arriving at 04/05/2025 12:35:00. 50 Economy ticket for £20 per person are available. Travel duration is 6h 40m
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National Express6h 50m017:30CardiffCoach Station00:20SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 04/05/2025 17:30:00 to Coach Station, Southampton (United Kingdom) arriving at 05/05/2025 00:20:00. 50 Economy ticket for £20 per person are available. Travel duration is 6h 50m
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National Express6h 45m019:45CardiffCoach Station02:30SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 04/05/2025 19:45:00 to Coach Station, Southampton (United Kingdom) arriving at 05/05/2025 02:30:00. 50 Economy ticket for £22 per person are available. Travel duration is 6h 45m
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National Express7h 0m010:00CardiffCoach Station17:00SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 04/05/2025 10:00:00 to Coach Station, Southampton (United Kingdom) arriving at 04/05/2025 17:00:00. 50 Economy ticket for £25 per person are available. Travel duration is 7h 0m
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National Express6h 10m005:40CardiffCoach Station11:50SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 04/05/2025 05:40:00 to Coach Station, Southampton (United Kingdom) arriving at 04/05/2025 11:50:00. 50 Economy ticket for £41 per person are available. Travel duration is 6h 10m
Cheapest Buses Sunday
What are the fastest trips from Cardiff to Southampton?
You can get to Southampton from Cardiff in just 2h 32m with a Train from Great Western Railway (GWR). But this is just one option, click on any of the offers below to compare it with the other available modes of transportations.
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National Express5h 50m003:25CardiffCoach Station09:15SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 28/04/2025 03:25:00 to Coach Station, Southampton (United Kingdom) arriving at 28/04/2025 09:15:00. 50 Economy ticket for £34 per person are available. Travel duration is 5h 50m
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National Express6h 20m016:30CardiffCoach Station22:50SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 28/04/2025 16:30:00 to Coach Station, Southampton (United Kingdom) arriving at 28/04/2025 22:50:00. 50 Economy ticket for £32 per person are available. Travel duration is 6h 20m
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National Express6h 45m019:45CardiffCoach Station02:30SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 28/04/2025 19:45:00 to Coach Station, Southampton (United Kingdom) arriving at 29/04/2025 02:30:00. 50 Economy ticket for £12 per person are available. Travel duration is 6h 45m
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National Express6h 50m017:30CardiffCoach Station00:20SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 28/04/2025 17:30:00 to Coach Station, Southampton (United Kingdom) arriving at 29/04/2025 00:20:00. 50 Economy ticket for £13 per person are available. Travel duration is 6h 50m
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National Express7h 15m010:00CardiffCoach Station17:15SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 28/04/2025 10:00:00 to Coach Station, Southampton (United Kingdom) arriving at 28/04/2025 17:15:00. 50 Economy ticket for £22 per person are available. Travel duration is 7h 15m
Fastest Buses Monday
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National Express7h 5m008:00CardiffCoach Station15:05SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 29/04/2025 08:00:00 to Coach Station, Southampton (United Kingdom) arriving at 29/04/2025 15:05:00. 50 Economy ticket for £19 per person are available. Travel duration is 7h 5m
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National Express7h 15m019:15CardiffCoach Station02:30SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 29/04/2025 19:15:00 to Coach Station, Southampton (United Kingdom) arriving at 30/04/2025 02:30:00. 50 Economy ticket for £18 per person are available. Travel duration is 7h 15m
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National Express7h 25m009:45CardiffCoach Station17:10SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 29/04/2025 09:45:00 to Coach Station, Southampton (United Kingdom) arriving at 29/04/2025 17:10:00. 50 Economy ticket for £19 per person are available. Travel duration is 7h 25m
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National Express7h 44m018:31Bristol AirportBristol Airport02:15SouthamptonUniversity0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 29/04/2025 18:31:00 to University, Southampton (United Kingdom) arriving at 30/04/2025 02:15:00. 50 Economy ticket for £24 per person are available. Travel duration is 7h 44m
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National Express7h 59m018:31Bristol AirportBristol Airport02:30SouthamptonCoach Station0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 29/04/2025 18:31:00 to Coach Station, Southampton (United Kingdom) arriving at 30/04/2025 02:30:00. 50 Economy ticket for £24 per person are available. Travel duration is 7h 59m
Fastest Buses Tuesday
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National Express5h 55m004:30CardiffCoach Station10:25SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 30/04/2025 04:30:00 to Coach Station, Southampton (United Kingdom) arriving at 30/04/2025 10:25:00. 50 Economy ticket for £41 per person are available. Travel duration is 5h 55m
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National Express6h 50m014:55CardiffCoach Station21:45SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 30/04/2025 14:55:00 to Coach Station, Southampton (United Kingdom) arriving at 30/04/2025 21:45:00. 50 Economy ticket for £41 per person are available. Travel duration is 6h 50m
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National Express7h 5m008:00CardiffCoach Station15:05SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 30/04/2025 08:00:00 to Coach Station, Southampton (United Kingdom) arriving at 30/04/2025 15:05:00. 50 Economy ticket for £20 per person are available. Travel duration is 7h 5m
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National Express7h 15m019:15CardiffCoach Station02:30SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 30/04/2025 19:15:00 to Coach Station, Southampton (United Kingdom) arriving at 01/05/2025 02:30:00. 50 Economy ticket for £16 per person are available. Travel duration is 7h 15m
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National Express7h 25m009:45CardiffCoach Station17:10SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 30/04/2025 09:45:00 to Coach Station, Southampton (United Kingdom) arriving at 30/04/2025 17:10:00. 50 Economy ticket for £18 per person are available. Travel duration is 7h 25m
Fastest Buses Wednesday
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Transport for Wales2h 57m009:05CardiffPenarth Train Station12:02SouthamptonCentral Station0EconomyA Train from Transport for Wales goes from Penarth Train Station, Cardiff (United Kingdom) at 01/05/2025 09:05:00 to Central Station, Southampton (United Kingdom) arriving at 01/05/2025 12:02:00. 50 Economy ticket for £37 per person are available. Travel duration is 2h 57m
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Transport for Wales2h 57m009:50CardiffPenarth Train Station12:47SouthamptonCentral Station0EconomyA Train from Transport for Wales goes from Penarth Train Station, Cardiff (United Kingdom) at 01/05/2025 09:50:00 to Central Station, Southampton (United Kingdom) arriving at 01/05/2025 12:47:00. 50 Economy ticket for £115 per person are available. Travel duration is 2h 57m
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Transport for Wales2h 58m006:05CardiffPenarth Train Station09:03SouthamptonCentral Station0EconomyA Train from Transport for Wales goes from Penarth Train Station, Cardiff (United Kingdom) at 01/05/2025 06:05:00 to Central Station, Southampton (United Kingdom) arriving at 01/05/2025 09:03:00. 50 Economy ticket for £37 per person are available. Travel duration is 2h 58m
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Transport for Wales2h 58m008:05CardiffPenarth Train Station11:03SouthamptonCentral Station0EconomyA Train from Transport for Wales goes from Penarth Train Station, Cardiff (United Kingdom) at 01/05/2025 08:05:00 to Central Station, Southampton (United Kingdom) arriving at 01/05/2025 11:03:00. 50 Economy ticket for £37 per person are available. Travel duration is 2h 58m
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Transport for Wales3h 0m007:05CardiffPenarth Train Station10:05SouthamptonCentral Station0EconomyA Train from Transport for Wales goes from Penarth Train Station, Cardiff (United Kingdom) at 01/05/2025 07:05:00 to Central Station, Southampton (United Kingdom) arriving at 01/05/2025 10:05:00. 50 Economy ticket for £37 per person are available. Travel duration is 3h 0m
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National Express7h 5m008:00CardiffCoach Station15:05SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 01/05/2025 08:00:00 to Coach Station, Southampton (United Kingdom) arriving at 01/05/2025 15:05:00. 50 Economy ticket for £21 per person are available. Travel duration is 7h 5m
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National Express7h 15m019:15CardiffCoach Station02:30SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 01/05/2025 19:15:00 to Coach Station, Southampton (United Kingdom) arriving at 02/05/2025 02:30:00. 50 Economy ticket for £18 per person are available. Travel duration is 7h 15m
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National Express7h 25m009:45CardiffCoach Station17:10SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 01/05/2025 09:45:00 to Coach Station, Southampton (United Kingdom) arriving at 01/05/2025 17:10:00. 50 Economy ticket for £18 per person are available. Travel duration is 7h 25m
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National Express7h 44m018:31Bristol AirportBristol Airport02:15SouthamptonUniversity0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 01/05/2025 18:31:00 to University, Southampton (United Kingdom) arriving at 02/05/2025 02:15:00. 50 Economy ticket for £24 per person are available. Travel duration is 7h 44m
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National Express7h 59m018:31Bristol AirportBristol Airport02:30SouthamptonCoach Station0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 01/05/2025 18:31:00 to Coach Station, Southampton (United Kingdom) arriving at 02/05/2025 02:30:00. 50 Economy ticket for £24 per person are available. Travel duration is 7h 59m
Fastest Trains Thursday
Fastest Buses Thursday
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Great Western Railway (GWR)2h 48m005:54CardiffCentral Station08:42SouthamptonCentral Station0EconomyA Train from Great Western Railway (GWR) goes from Central Station, Cardiff (United Kingdom) at 02/05/2025 05:54:00 to Central Station, Southampton (United Kingdom) arriving at 02/05/2025 08:42:00. 50 Economy ticket for £155 per person are available. Travel duration is 2h 48m
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Transport for Wales2h 58m006:05CardiffPenarth Train Station09:03SouthamptonCentral Station0EconomyA Train from Transport for Wales goes from Penarth Train Station, Cardiff (United Kingdom) at 02/05/2025 06:05:00 to Central Station, Southampton (United Kingdom) arriving at 02/05/2025 09:03:00. 50 Economy ticket for £57 per person are available. Travel duration is 2h 58m
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Transport for Wales2h 58m008:05CardiffPenarth Train Station11:03SouthamptonCentral Station0EconomyA Train from Transport for Wales goes from Penarth Train Station, Cardiff (United Kingdom) at 02/05/2025 08:05:00 to Central Station, Southampton (United Kingdom) arriving at 02/05/2025 11:03:00. 50 Economy ticket for £57 per person are available. Travel duration is 2h 58m
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Transport for Wales3h 0m007:05CardiffPenarth Train Station10:05SouthamptonCentral Station0EconomyA Train from Transport for Wales goes from Penarth Train Station, Cardiff (United Kingdom) at 02/05/2025 07:05:00 to Central Station, Southampton (United Kingdom) arriving at 02/05/2025 10:05:00. 50 Economy ticket for £57 per person are available. Travel duration is 3h 0m
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Great Western Railway (GWR)3h 19m005:07CardiffCentral Station08:26SouthamptonCentral Station0EconomyA Train from Great Western Railway (GWR) goes from Central Station, Cardiff (United Kingdom) at 02/05/2025 05:07:00 to Central Station, Southampton (United Kingdom) arriving at 02/05/2025 08:26:00. 50 Economy ticket for £108 per person are available. Travel duration is 3h 19m
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National Express6h 45m019:45CardiffCoach Station02:30SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 02/05/2025 19:45:00 to Coach Station, Southampton (United Kingdom) arriving at 03/05/2025 02:30:00. 50 Economy ticket for £20 per person are available. Travel duration is 6h 45m
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National Express6h 50m017:30CardiffCoach Station00:20SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 02/05/2025 17:30:00 to Coach Station, Southampton (United Kingdom) arriving at 03/05/2025 00:20:00. 50 Economy ticket for £20 per person are available. Travel duration is 6h 50m
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National Express7h 17m019:13Bristol AirportBristol Airport02:30SouthamptonCoach Station0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 02/05/2025 19:13:00 to Coach Station, Southampton (United Kingdom) arriving at 03/05/2025 02:30:00. 50 Economy ticket for £30 per person are available. Travel duration is 7h 17m
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National Express7h 25m016:55Bristol AirportBristol Airport00:20SouthamptonCoach Station0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 02/05/2025 16:55:00 to Coach Station, Southampton (United Kingdom) arriving at 03/05/2025 00:20:00. 50 Economy ticket for £31 per person are available. Travel duration is 7h 25m
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National Express7h 30m010:00CardiffCoach Station17:30SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 02/05/2025 10:00:00 to Coach Station, Southampton (United Kingdom) arriving at 02/05/2025 17:30:00. 50 Economy ticket for £28 per person are available. Travel duration is 7h 30m
Fastest Trains Friday
Fastest Buses Friday
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Great Western Railway (GWR)2h 32m006:30CardiffCentral Station09:02SouthamptonCentral Station0EconomyA Train from Great Western Railway (GWR) goes from Central Station, Cardiff (United Kingdom) at 03/05/2025 06:30:00 to Central Station, Southampton (United Kingdom) arriving at 03/05/2025 09:02:00. 50 Economy ticket for £54 per person are available. Travel duration is 2h 32m
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Great Western Railway (GWR)2h 36m007:27CardiffCentral Station10:03SouthamptonCentral Station0EconomyA Train from Great Western Railway (GWR) goes from Central Station, Cardiff (United Kingdom) at 03/05/2025 07:27:00 to Central Station, Southampton (United Kingdom) arriving at 03/05/2025 10:03:00. 50 Economy ticket for £54 per person are available. Travel duration is 2h 36m
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Transport for Wales3h 13m006:50CardiffPenarth Train Station10:03SouthamptonCentral Station0EconomyA Train from Transport for Wales goes from Penarth Train Station, Cardiff (United Kingdom) at 03/05/2025 06:50:00 to Central Station, Southampton (United Kingdom) arriving at 03/05/2025 10:03:00. 50 Economy ticket for £36 per person are available. Travel duration is 3h 13m
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Transport for Wales3h 13m007:50CardiffPenarth Train Station11:03SouthamptonCentral Station0EconomyA Train from Transport for Wales goes from Penarth Train Station, Cardiff (United Kingdom) at 03/05/2025 07:50:00 to Central Station, Southampton (United Kingdom) arriving at 03/05/2025 11:03:00. 50 Economy ticket for £36 per person are available. Travel duration is 3h 13m
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Transport for Wales3h 14m008:50CardiffPenarth Train Station12:04SouthamptonCentral Station0EconomyA Train from Transport for Wales goes from Penarth Train Station, Cardiff (United Kingdom) at 03/05/2025 08:50:00 to Central Station, Southampton (United Kingdom) arriving at 03/05/2025 12:04:00. 50 Economy ticket for £36 per person are available. Travel duration is 3h 14m
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National Express6h 10m005:40CardiffCoach Station11:50SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 03/05/2025 05:40:00 to Coach Station, Southampton (United Kingdom) arriving at 03/05/2025 11:50:00. 50 Economy ticket for £38 per person are available. Travel duration is 6h 10m
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National Express6h 40m005:55CardiffCoach Station12:35SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 03/05/2025 05:55:00 to Coach Station, Southampton (United Kingdom) arriving at 03/05/2025 12:35:00. 50 Economy ticket for £31 per person are available. Travel duration is 6h 40m
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National Express6h 45m019:45CardiffCoach Station02:30SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 03/05/2025 19:45:00 to Coach Station, Southampton (United Kingdom) arriving at 04/05/2025 02:30:00. 50 Economy ticket for £20 per person are available. Travel duration is 6h 45m
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National Express6h 50m017:30CardiffCoach Station00:20SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 03/05/2025 17:30:00 to Coach Station, Southampton (United Kingdom) arriving at 04/05/2025 00:20:00. 50 Economy ticket for £20 per person are available. Travel duration is 6h 50m
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National Express7h 0m010:00CardiffCoach Station17:00SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 03/05/2025 10:00:00 to Coach Station, Southampton (United Kingdom) arriving at 03/05/2025 17:00:00. 50 Economy ticket for £25 per person are available. Travel duration is 7h 0m
Fastest Trains Saturday
Fastest Buses Saturday
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National Express6h 10m005:40CardiffCoach Station11:50SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 04/05/2025 05:40:00 to Coach Station, Southampton (United Kingdom) arriving at 04/05/2025 11:50:00. 50 Economy ticket for £41 per person are available. Travel duration is 6h 10m
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National Express6h 40m005:55CardiffCoach Station12:35SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 04/05/2025 05:55:00 to Coach Station, Southampton (United Kingdom) arriving at 04/05/2025 12:35:00. 50 Economy ticket for £20 per person are available. Travel duration is 6h 40m
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National Express6h 45m019:45CardiffCoach Station02:30SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 04/05/2025 19:45:00 to Coach Station, Southampton (United Kingdom) arriving at 05/05/2025 02:30:00. 50 Economy ticket for £22 per person are available. Travel duration is 6h 45m
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National Express6h 50m017:30CardiffCoach Station00:20SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 04/05/2025 17:30:00 to Coach Station, Southampton (United Kingdom) arriving at 05/05/2025 00:20:00. 50 Economy ticket for £20 per person are available. Travel duration is 6h 50m
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National Express7h 0m010:00CardiffCoach Station17:00SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 04/05/2025 10:00:00 to Coach Station, Southampton (United Kingdom) arriving at 04/05/2025 17:00:00. 50 Economy ticket for £25 per person are available. Travel duration is 7h 0m
Fastest Buses Sunday
Here you will find all operators and timetables for a
Bus from Cardiff to Southampton
What are the most popular stations in Cardiff and Southampton?
In Cardiff, you will usually depart from Central Station, Bus Interchange or National Museum, while in Southampton you will be arriving at Central Station, SeaCity Museum or Bitterne Station, but there are many more stops to explore in both locations.
How do I decide? Some tips and tricks from our experience
Are you having trouble deciding on how to get to Southampton from Cardiff? With 7 connections between 3 Bus and Train operators, it can be difficult to find the one ride that will make you happy. But we have some tips that can help you make the best informed decision. First of all, the best trip is always the one that meets all your needs, so make a list of all the things that you want from this journey and look for something that will satisfy all of them. Here we will go through some of the factors mostly commonly taken into consideration.
Look for the lowest price
Ticket price is usually the main concern: even if you can afford to pay more, why do it if there are cheaper options? Saving on the trip means that you can spend more on the vacation itself! Between Cardiff and Southampton, you can pay as low as £12 with a Bus from National Express.Travel duration
Time is also an important factor. An earlier departure may allow you to see a beautiful sunset or relax before an important event. And remember, time is money, so paying more for a shorter trip may be well worth it. For longer distances, flights are without doubt the best options, but be mindful of airport times and possible delays: a high-speed train may end up cheaper and faster! Here the quicker option is definitely the Train from Great Western Railway (GWR): you will get to Southampton in just 2h 32m.Comfort makes all the difference
You should always take into account what your personal travelling preferences are. Is one hand luggage enough, or are you trasporting more? Would you like to have a snack during the journey? Can you relax in a busy compartment, or do you need space for yourself? Even among the same mode of transportation, different companies will offer you varying levels of comfort and amenities. The main operators connecting Cardiff and Southampton are National Express, Transport for Wales and Great Western Railway (GWR), but be sure to check what they have to offer!Save money with deals, and always compare
One last tip? Even if you live in Cardiff and Southampton is your only destination, it may be wise to check the offers from and to nearby cities or, if you are flyng, nearby airports. Check the trips from Newlyn or to Netley, and look at flights from Cardiff Airport, and landing at Bournemouth Airport. Comparing different routes may allow you to find deals or promotions you were not aware of. Consider also signing up to CheckMyBus to see even more exclusive promotions!Which companies offer a trip from Cardiff to Southampton?
The most popular companies between Cardiff and Southampton, are National Express, Transport for Wales and Great Western Railway (GWR). Be sure to check their seat class offers and the amenities that they provide.
Bus companies: National Express
Train companies: Transport for Wales and Great Western Railway (GWR)
All you need to know when you travel from Cardiff to Southampton
Check all information on comfort and services on all modes of transports from Cardiff to Southampton. See which seat classes are available, and what amenities are other advantages offered by the operators on your journey.
FAQs about the trip from Cardiff to Southampton
How can I reach Southampton from Cardiff?
Every day, there are on average 7 connections between Bus and Train, with which you can get to Southampton from Cardiff.
How far is Southampton from Cardiff?
The distance between Cardiff and Southampton is 139.1 km.
What is the most ecofriendly mode of transport between Cardiff and Southampton?
Trains and buses are by far the greenest options, with trains surpassing buses on longer routes. Planes will always be the worst polluters, especially in shorter flights, were the emissions from the takeoff and landing are less offset by the distance.
On this particular route, a bus will emit, per person, a total of 4 kgs of CO2, a train 5 kgs, a car 24 kgs, and a flight 34 kgs.
What is the cheapest mode of transport from Cardiff to Southampton?
You can get to Southampton with just £12 by taking a Bus from National Express.
What is the fastest way to get from Cardiff to Southampton?
While a plane is travelling fastest boarding and transfer to airport consumes a lot of time. Usually, high speed trains are better than flights if pure train travel time is below 4 hours. For this particular route, you can get to Southampton in just 2h 32m with a Train from Great Western Railway (GWR).
More routes to Cardiff and to Southampton
Looking for more options? Here you can see the most popular routes to Cardiff and to Southampton. Simply click on a connection, and you’ll find all the details about the route!
- Trips to Cardiff
- Barnstaple to Cardiff
- Bedford to Cardiff
- Birmingham to Cardiff
- Bournemouth to Cardiff
- Brighton to Cardiff
- Bristol Airport to Cardiff
- Bristol to Cardiff
- Cambridge to Cardiff
- Cheltenham to Cardiff
- Coventry to Cardiff
- Edinburgh to Cardiff
- Glasgow to Cardiff
- Leeds to Cardiff
- Liverpool to Cardiff
- London Gatwick Airport to Cardiff
- London Heathrow Airport to Cardiff
- London to Cardiff
- Manchester to Cardiff
- Newcastle upon Tyne to Cardiff
- Nottingham to Cardiff
- Reading to Cardiff
- Swansea to Cardiff
- Swindon to Cardiff
- Taunton to Cardiff
- Trips to Southampton
- Birkenhead to Southampton
- Blackpool to Southampton
- Bournemouth to Southampton
- Bristol to Southampton
- Cambridge to Southampton
- Carlisle to Southampton
- Chester to Southampton
- Coventry to Southampton
- Derby to Southampton
- Dundee to Southampton
- Exeter to Southampton
- Fareham to Southampton
- Glasgow to Southampton
- Gloucester to Southampton
- Greenfield to Southampton
- Guildford to Southampton
- Leicester to Southampton
- London to Southampton
- Nottingham to Southampton
- Oxford to Southampton
- Peterborough to Southampton
- Portsmouth to Southampton
- Sheffield to Southampton
- Stockport to Southampton