What is the best way to travel from Portsmouth to Cardiff?
Looking for a trip? Check and compare all the available Buses to Cardiff from Portsmouth. Look at different modes of transportation, search for the cheapest tickets, fastest rides and most popular stations, and see all 1 available companies to find your perfect trip!
What is the cheapest way to reach Cardiff from Portsmouth?
You can reach Cardiff with just £25 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 30m007:40PortsmouthThe Hard Interchange14:10CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 14/12/2025 07:40:00 to Coach Station, Cardiff (United Kingdom) arriving at 14/12/2025 14:10:00. 50 Economy ticket for £25 per person are available. Travel duration is 6h 30m
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National Express6h 15m018:45PortsmouthThe Hard Interchange01:00CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 14/12/2025 18:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 15/12/2025 01:00:00. 50 Economy ticket for £25 per person are available. Travel duration is 6h 15m
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National Express6h 40m012:35PortsmouthThe Hard Interchange19:15CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 14/12/2025 12:35:00 to Coach Station, Cardiff (United Kingdom) arriving at 14/12/2025 19:15:00. 50 Economy ticket for £28 per person are available. Travel duration is 6h 40m
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National Express5h 35m010:50PortsmouthThe Hard Interchange16:25CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 14/12/2025 10:50:00 to Coach Station, Cardiff (United Kingdom) arriving at 14/12/2025 16:25:00. 50 Economy ticket for £38 per person are available. Travel duration is 5h 35m
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National Express6h 0m013:50PortsmouthThe Hard Interchange19:50CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 14/12/2025 13:50:00 to Coach Station, Cardiff (United Kingdom) arriving at 14/12/2025 19:50:00. 50 Economy ticket for £38 per person are available. Travel duration is 6h 0m
Cheapest Buses Sunday
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National Express6h 50m007:20PortsmouthThe Hard Interchange14:10CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 15/12/2025 07:20:00 to Coach Station, Cardiff (United Kingdom) arriving at 15/12/2025 14:10:00. 50 Economy ticket for £30 per person are available. Travel duration is 6h 50m
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National Express7h 0m012:35PortsmouthThe Hard Interchange19:35CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 15/12/2025 12:35:00 to Coach Station, Cardiff (United Kingdom) arriving at 15/12/2025 19:35:00. 50 Economy ticket for £30 per person are available. Travel duration is 7h 0m
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National Express6h 15m018:45PortsmouthThe Hard Interchange01:00CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 15/12/2025 18:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 16/12/2025 01:00:00. 50 Economy ticket for £30 per person are available. Travel duration is 6h 15m
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National Express7h 40m003:20PortsmouthThe Hard Interchange11:00CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 15/12/2025 03:20:00 to Coach Station, Cardiff (United Kingdom) arriving at 15/12/2025 11:00:00. 50 Economy ticket for £43 per person are available. Travel duration is 7h 40m
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National Express6h 5m008:20PortsmouthThe Hard Interchange14:25CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 15/12/2025 08:20:00 to Coach Station, Cardiff (United Kingdom) arriving at 15/12/2025 14:25:00. 50 Economy ticket for £43 per person are available. Travel duration is 6h 5m
Cheapest Buses Monday
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National Express8h 30m007:50PortsmouthThe Hard Interchange16:20CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 16/12/2025 07:50:00 to Coach Station, Cardiff (United Kingdom) arriving at 16/12/2025 16:20:00. 50 Economy ticket for £28 per person are available. Travel duration is 8h 30m
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National Express7h 25m011:05PortsmouthThe Hard Interchange18:30CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 16/12/2025 11:05:00 to Coach Station, Cardiff (United Kingdom) arriving at 16/12/2025 18:30:00. 50 Economy ticket for £28 per person are available. Travel duration is 7h 25m
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National Express6h 50m014:55PortsmouthThe Hard Interchange21:45CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 16/12/2025 14:55:00 to Coach Station, Cardiff (United Kingdom) arriving at 16/12/2025 21:45:00. 50 Economy ticket for £28 per person are available. Travel duration is 6h 50m
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National Express6h 10m018:45PortsmouthThe Hard Interchange00:55CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 16/12/2025 18:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 17/12/2025 00:55:00. 50 Economy ticket for £28 per person are available. Travel duration is 6h 10m
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National Express6h 30m016:10PortsmouthThe Hard Interchange22:40CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 16/12/2025 16:10:00 to Coach Station, Cardiff (United Kingdom) arriving at 16/12/2025 22:40:00. 50 Economy ticket for £38 per person are available. Travel duration is 6h 30m
Cheapest Buses Tuesday
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National Express8h 30m007:50PortsmouthThe Hard Interchange16:20CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 17/12/2025 07:50:00 to Coach Station, Cardiff (United Kingdom) arriving at 17/12/2025 16:20:00. 50 Economy ticket for £25 per person are available. Travel duration is 8h 30m
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National Express7h 25m011:05PortsmouthThe Hard Interchange18:30CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 17/12/2025 11:05:00 to Coach Station, Cardiff (United Kingdom) arriving at 17/12/2025 18:30:00. 50 Economy ticket for £25 per person are available. Travel duration is 7h 25m
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National Express6h 50m014:55PortsmouthThe Hard Interchange21:45CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 17/12/2025 14:55:00 to Coach Station, Cardiff (United Kingdom) arriving at 17/12/2025 21:45:00. 50 Economy ticket for £25 per person are available. Travel duration is 6h 50m
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National Express6h 10m018:45PortsmouthThe Hard Interchange00:55CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 17/12/2025 18:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 18/12/2025 00:55:00. 50 Economy ticket for £25 per person are available. Travel duration is 6h 10m
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National Express5h 45m012:55PortsmouthThe Hard Interchange18:40CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 17/12/2025 12:55:00 to Coach Station, Cardiff (United Kingdom) arriving at 17/12/2025 18:40:00. 50 Economy ticket for £38 per person are available. Travel duration is 5h 45m
Cheapest Buses Wednesday
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National Express8h 30m007:50PortsmouthThe Hard Interchange16:20CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 18/12/2025 07:50:00 to Coach Station, Cardiff (United Kingdom) arriving at 18/12/2025 16:20:00. 50 Economy ticket for £33 per person are available. Travel duration is 8h 30m
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National Express7h 25m011:05PortsmouthThe Hard Interchange18:30CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 18/12/2025 11:05:00 to Coach Station, Cardiff (United Kingdom) arriving at 18/12/2025 18:30:00. 50 Economy ticket for £33 per person are available. Travel duration is 7h 25m
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National Express6h 50m014:55PortsmouthThe Hard Interchange21:45CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 18/12/2025 14:55:00 to Coach Station, Cardiff (United Kingdom) arriving at 18/12/2025 21:45:00. 50 Economy ticket for £33 per person are available. Travel duration is 6h 50m
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National Express6h 10m018:45PortsmouthThe Hard Interchange00:55CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 18/12/2025 18:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 19/12/2025 00:55:00. 50 Economy ticket for £33 per person are available. Travel duration is 6h 10m
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National Express7h 40m003:20PortsmouthThe Hard Interchange11:00CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 18/12/2025 03:20:00 to Coach Station, Cardiff (United Kingdom) arriving at 18/12/2025 11:00:00. 50 Economy ticket for £42 per person are available. Travel duration is 7h 40m
Cheapest Buses Thursday
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National Express6h 50m007:20PortsmouthThe Hard Interchange14:10CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 19/12/2025 07:20:00 to Coach Station, Cardiff (United Kingdom) arriving at 19/12/2025 14:10:00. 50 Economy ticket for £42 per person are available. Travel duration is 6h 50m
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National Express7h 20m012:35PortsmouthThe Hard Interchange19:55CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 19/12/2025 12:35:00 to Coach Station, Cardiff (United Kingdom) arriving at 19/12/2025 19:55:00. 50 Economy ticket for £42 per person are available. Travel duration is 7h 20m
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National Express6h 15m018:45PortsmouthThe Hard Interchange01:00CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 19/12/2025 18:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 20/12/2025 01:00:00. 50 Economy ticket for £42 per person are available. Travel duration is 6h 15m
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National Express7h 40m003:20PortsmouthThe Hard Interchange11:00CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 19/12/2025 03:20:00 to Coach Station, Cardiff (United Kingdom) arriving at 19/12/2025 11:00:00. 50 Economy ticket for £61 per person are available. Travel duration is 7h 40m
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National Express6h 25m008:20PortsmouthThe Hard Interchange14:45CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 19/12/2025 08:20:00 to Coach Station, Cardiff (United Kingdom) arriving at 19/12/2025 14:45:00. 50 Economy ticket for £61 per person are available. Travel duration is 6h 25m
Cheapest Buses Friday
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National Express6h 40m012:35PortsmouthThe Hard Interchange19:15CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 20/12/2025 12:35:00 to Coach Station, Cardiff (United Kingdom) arriving at 20/12/2025 19:15:00. 50 Economy ticket for £38 per person are available. Travel duration is 6h 40m
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National Express6h 15m018:45PortsmouthThe Hard Interchange01:00CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 20/12/2025 18:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 21/12/2025 01:00:00. 50 Economy ticket for £38 per person are available. Travel duration is 6h 15m
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National Express6h 30m007:40PortsmouthThe Hard Interchange14:10CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 20/12/2025 07:40:00 to Coach Station, Cardiff (United Kingdom) arriving at 20/12/2025 14:10:00. 50 Economy ticket for £42 per person are available. Travel duration is 6h 30m
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National Express7h 40m003:20PortsmouthThe Hard Interchange11:00CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 20/12/2025 03:20:00 to Coach Station, Cardiff (United Kingdom) arriving at 20/12/2025 11:00:00. 50 Economy ticket for £51 per person are available. Travel duration is 7h 40m
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National Express5h 55m008:30PortsmouthThe Hard Interchange14:25CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 20/12/2025 08:30:00 to Coach Station, Cardiff (United Kingdom) arriving at 20/12/2025 14:25:00. 50 Economy ticket for £51 per person are available. Travel duration is 5h 55m
Cheapest Buses Saturday
What are the fastest trips from Portsmouth to Cardiff?
You can get to Cardiff from Portsmouth in just 5h 35m with a Bus from National Express. 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 35m010:50PortsmouthThe Hard Interchange16:25CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 14/12/2025 10:50:00 to Coach Station, Cardiff (United Kingdom) arriving at 14/12/2025 16:25:00. 50 Economy ticket for £38 per person are available. Travel duration is 5h 35m
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National Express6h 0m013:50PortsmouthThe Hard Interchange19:50CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 14/12/2025 13:50:00 to Coach Station, Cardiff (United Kingdom) arriving at 14/12/2025 19:50:00. 50 Economy ticket for £38 per person are available. Travel duration is 6h 0m
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National Express6h 15m018:45PortsmouthThe Hard Interchange01:00CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 14/12/2025 18:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 15/12/2025 01:00:00. 50 Economy ticket for £25 per person are available. Travel duration is 6h 15m
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National Express6h 30m007:40PortsmouthThe Hard Interchange14:10CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 14/12/2025 07:40:00 to Coach Station, Cardiff (United Kingdom) arriving at 14/12/2025 14:10:00. 50 Economy ticket for £25 per person are available. Travel duration is 6h 30m
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National Express6h 40m012:35PortsmouthThe Hard Interchange19:15CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 14/12/2025 12:35:00 to Coach Station, Cardiff (United Kingdom) arriving at 14/12/2025 19:15:00. 50 Economy ticket for £28 per person are available. Travel duration is 6h 40m
Fastest Buses Sunday
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National Express6h 5m008:20PortsmouthThe Hard Interchange14:25CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 15/12/2025 08:20:00 to Coach Station, Cardiff (United Kingdom) arriving at 15/12/2025 14:25:00. 50 Economy ticket for £43 per person are available. Travel duration is 6h 5m
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National Express6h 15m018:45PortsmouthThe Hard Interchange01:00CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 15/12/2025 18:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 16/12/2025 01:00:00. 50 Economy ticket for £30 per person are available. Travel duration is 6h 15m
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National Express6h 50m007:20PortsmouthThe Hard Interchange14:10CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 15/12/2025 07:20:00 to Coach Station, Cardiff (United Kingdom) arriving at 15/12/2025 14:10:00. 50 Economy ticket for £30 per person are available. Travel duration is 6h 50m
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National Express7h 0m012:35PortsmouthThe Hard Interchange19:35CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 15/12/2025 12:35:00 to Coach Station, Cardiff (United Kingdom) arriving at 15/12/2025 19:35:00. 50 Economy ticket for £30 per person are available. Travel duration is 7h 0m
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National Express7h 40m003:20PortsmouthThe Hard Interchange11:00CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 15/12/2025 03:20:00 to Coach Station, Cardiff (United Kingdom) arriving at 15/12/2025 11:00:00. 50 Economy ticket for £43 per person are available. Travel duration is 7h 40m
Fastest Buses Monday
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National Express6h 10m018:45PortsmouthThe Hard Interchange00:55CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 16/12/2025 18:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 17/12/2025 00:55:00. 50 Economy ticket for £28 per person are available. Travel duration is 6h 10m
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National Express6h 30m016:10PortsmouthThe Hard Interchange22:40CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 16/12/2025 16:10:00 to Coach Station, Cardiff (United Kingdom) arriving at 16/12/2025 22:40:00. 50 Economy ticket for £38 per person are available. Travel duration is 6h 30m
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National Express6h 50m014:55PortsmouthThe Hard Interchange21:45CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 16/12/2025 14:55:00 to Coach Station, Cardiff (United Kingdom) arriving at 16/12/2025 21:45:00. 50 Economy ticket for £28 per person are available. Travel duration is 6h 50m
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National Express7h 25m011:05PortsmouthThe Hard Interchange18:30CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 16/12/2025 11:05:00 to Coach Station, Cardiff (United Kingdom) arriving at 16/12/2025 18:30:00. 50 Economy ticket for £28 per person are available. Travel duration is 7h 25m
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National Express8h 30m007:50PortsmouthThe Hard Interchange16:20CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 16/12/2025 07:50:00 to Coach Station, Cardiff (United Kingdom) arriving at 16/12/2025 16:20:00. 50 Economy ticket for £28 per person are available. Travel duration is 8h 30m
Fastest Buses Tuesday
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National Express5h 45m012:55PortsmouthThe Hard Interchange18:40CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 17/12/2025 12:55:00 to Coach Station, Cardiff (United Kingdom) arriving at 17/12/2025 18:40:00. 50 Economy ticket for £38 per person are available. Travel duration is 5h 45m
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National Express6h 10m018:45PortsmouthThe Hard Interchange00:55CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 17/12/2025 18:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 18/12/2025 00:55:00. 50 Economy ticket for £25 per person are available. Travel duration is 6h 10m
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National Express6h 50m014:55PortsmouthThe Hard Interchange21:45CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 17/12/2025 14:55:00 to Coach Station, Cardiff (United Kingdom) arriving at 17/12/2025 21:45:00. 50 Economy ticket for £25 per person are available. Travel duration is 6h 50m
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National Express7h 25m011:05PortsmouthThe Hard Interchange18:30CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 17/12/2025 11:05:00 to Coach Station, Cardiff (United Kingdom) arriving at 17/12/2025 18:30:00. 50 Economy ticket for £25 per person are available. Travel duration is 7h 25m
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National Express8h 30m007:50PortsmouthThe Hard Interchange16:20CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 17/12/2025 07:50:00 to Coach Station, Cardiff (United Kingdom) arriving at 17/12/2025 16:20:00. 50 Economy ticket for £25 per person are available. Travel duration is 8h 30m
Fastest Buses Wednesday
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National Express6h 10m018:45PortsmouthThe Hard Interchange00:55CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 18/12/2025 18:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 19/12/2025 00:55:00. 50 Economy ticket for £33 per person are available. Travel duration is 6h 10m
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National Express6h 50m014:55PortsmouthThe Hard Interchange21:45CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 18/12/2025 14:55:00 to Coach Station, Cardiff (United Kingdom) arriving at 18/12/2025 21:45:00. 50 Economy ticket for £33 per person are available. Travel duration is 6h 50m
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National Express7h 25m011:05PortsmouthThe Hard Interchange18:30CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 18/12/2025 11:05:00 to Coach Station, Cardiff (United Kingdom) arriving at 18/12/2025 18:30:00. 50 Economy ticket for £33 per person are available. Travel duration is 7h 25m
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National Express7h 40m003:20PortsmouthThe Hard Interchange11:00CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 18/12/2025 03:20:00 to Coach Station, Cardiff (United Kingdom) arriving at 18/12/2025 11:00:00. 50 Economy ticket for £42 per person are available. Travel duration is 7h 40m
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National Express8h 30m007:50PortsmouthThe Hard Interchange16:20CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 18/12/2025 07:50:00 to Coach Station, Cardiff (United Kingdom) arriving at 18/12/2025 16:20:00. 50 Economy ticket for £33 per person are available. Travel duration is 8h 30m
Fastest Buses Thursday
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National Express6h 15m018:45PortsmouthThe Hard Interchange01:00CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 19/12/2025 18:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 20/12/2025 01:00:00. 50 Economy ticket for £42 per person are available. Travel duration is 6h 15m
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National Express6h 25m008:20PortsmouthThe Hard Interchange14:45CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 19/12/2025 08:20:00 to Coach Station, Cardiff (United Kingdom) arriving at 19/12/2025 14:45:00. 50 Economy ticket for £61 per person are available. Travel duration is 6h 25m
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National Express6h 50m007:20PortsmouthThe Hard Interchange14:10CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 19/12/2025 07:20:00 to Coach Station, Cardiff (United Kingdom) arriving at 19/12/2025 14:10:00. 50 Economy ticket for £42 per person are available. Travel duration is 6h 50m
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National Express7h 20m012:35PortsmouthThe Hard Interchange19:55CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 19/12/2025 12:35:00 to Coach Station, Cardiff (United Kingdom) arriving at 19/12/2025 19:55:00. 50 Economy ticket for £42 per person are available. Travel duration is 7h 20m
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National Express7h 40m003:20PortsmouthThe Hard Interchange11:00CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 19/12/2025 03:20:00 to Coach Station, Cardiff (United Kingdom) arriving at 19/12/2025 11:00:00. 50 Economy ticket for £61 per person are available. Travel duration is 7h 40m
Fastest Buses Friday
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National Express5h 55m008:30PortsmouthThe Hard Interchange14:25CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 20/12/2025 08:30:00 to Coach Station, Cardiff (United Kingdom) arriving at 20/12/2025 14:25:00. 50 Economy ticket for £51 per person are available. Travel duration is 5h 55m
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National Express6h 15m018:45PortsmouthThe Hard Interchange01:00CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 20/12/2025 18:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 21/12/2025 01:00:00. 50 Economy ticket for £38 per person are available. Travel duration is 6h 15m
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National Express6h 30m007:40PortsmouthThe Hard Interchange14:10CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 20/12/2025 07:40:00 to Coach Station, Cardiff (United Kingdom) arriving at 20/12/2025 14:10:00. 50 Economy ticket for £42 per person are available. Travel duration is 6h 30m
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National Express6h 40m012:35PortsmouthThe Hard Interchange19:15CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 20/12/2025 12:35:00 to Coach Station, Cardiff (United Kingdom) arriving at 20/12/2025 19:15:00. 50 Economy ticket for £38 per person are available. Travel duration is 6h 40m
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National Express7h 40m003:20PortsmouthThe Hard Interchange11:00CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 20/12/2025 03:20:00 to Coach Station, Cardiff (United Kingdom) arriving at 20/12/2025 11:00:00. 50 Economy ticket for £51 per person are available. Travel duration is 7h 40m
Fastest Buses Saturday
Here you will find all operators and timetables for a
Bus from Portsmouth to Cardiff
What are the most popular stations in Portsmouth and Cardiff?
In Portsmouth, you will usually depart from Portsmouth & Southsea Station, City Shops South (Stop D) Bus Station or The Hard Interchange, while in Cardiff you will be arriving at Central Station, Dingle Road Train Station or Penarth Train 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 Cardiff from Portsmouth? With 5 connections between 1 Bus 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 Portsmouth and Cardiff, you can pay as low as £25 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 Bus from National Express: you will get to Cardiff in just 5h 35m.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 Portsmouth and Cardiff are National Express, 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 Portsmouth and Cardiff 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 Hilsea or to Newlyn, and look at flights from Southampton Airport, and landing at Cardiff 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 Portsmouth to Cardiff?
The most popular companies between Portsmouth and Cardiff, are National Express. Be sure to check their seat class offers and the amenities that they provide.
Bus companies: National Express
All you need to know when you travel from Portsmouth to Cardiff
Check all information on comfort and services on all modes of transports from Portsmouth to Cardiff. See which seat classes are available, and what amenities are other advantages offered by the operators on your journey.
FAQs about the trip from Portsmouth to Cardiff
How can I reach Cardiff from Portsmouth?
Every day, there are on average 5 connections between Bus, with which you can get to Cardiff from Portsmouth.
How far is Cardiff from Portsmouth?
The distance between Portsmouth and Cardiff is 163.8 km.
What is the most ecofriendly mode of transport between Portsmouth and Cardiff?
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 6 kgs, a car 28 kgs, and a flight 40 kgs.
What is the cheapest mode of transport from Portsmouth to Cardiff?
You can get to Cardiff with just £25 by taking a Bus from National Express.
What is the fastest way to get from Portsmouth to Cardiff?
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 Cardiff in just 5h 35m with a Bus from National Express.
More routes to Portsmouth and to Cardiff
Looking for more options? Here you can see the most popular routes to Portsmouth and to Cardiff. Simply click on a connection, and you’ll find all the details about the route!
- Trips to Portsmouth
- Bath to Portsmouth
- Birmingham to Portsmouth
- Bournemouth to Portsmouth
- Brighton to Portsmouth
- Bristol Airport to Portsmouth
- Bristol to Portsmouth
- Cambridge to Portsmouth
- Cardiff to Portsmouth
- Leicester to Portsmouth
- Manchester to Portsmouth
- Nottingham to Portsmouth
- Oxford to Portsmouth
- Southampton to Portsmouth
- Trips to Cardiff
- Aberdeen to Cardiff
- Bath to Cardiff
- Birmingham to Cardiff
- Bristol Airport to Cardiff
- Bristol to Cardiff
- Edinburgh to Cardiff
- Exeter to Cardiff
- Glasgow to Cardiff
- Hull to Cardiff
- Liverpool to Cardiff
- London Heathrow Airport to Cardiff
- London to Cardiff
- Manchester to Cardiff
- Middlesbrough to Cardiff
- Newcastle upon Tyne to Cardiff
- Norwich to Cardiff
- Paris to Cardiff
- Sheffield to Cardiff
- Southampton to Cardiff
- Sunderland to Cardiff
- Swansea to Cardiff

