Bus tickets Southampton to Cardiff from £16

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Compare all timetables for the bus from Southampton to Cardiff

Here is a selection of the cheapest bus trips from the schedule from Southampton to Cardiff from various bus operators like National Express for the next days.
today
from £22
tomorrow
from £16
Monday
from £16
Tuesday
from £18
Wednesday
from £17
Thursday
from £18
Friday
from £17

Cheapest bus trips today

Prices are for one way and one person
  • National Express
    6h 25m
    0
    20:30
    Southampton
    Coach Station
    02:55
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £22
  • National Express
    7h 10m
    0
    12:05
    Southampton
    Coach Station
    19:15
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £24
  • National Express
    5h 55m
    0
    10:30
    Southampton
    Coach Station
    16:25
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £53
  • National Express
    6h 30m
    0
    04:30
    Southampton
    Coach Station
    11:00
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £54
  • National Express
    6h 35m
    0
    05:30
    Southampton
    Coach Station
    12:05
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £54
  • Did you know that if you travel from Southampton to Cardiff via Bristol, you can save more than £8? You can find the corresponding connections below.
    • National Express
      7h 55m
      0
      18:10
      Southampton
      University
      00:08
      Bristol
      Clifton Down
      0
      National Express
      Economy
      £10
      • Waiting Time 0h 42m
    • FlixBus
      1h 15m
      0
      00:50
      Bristol
      Coach Station
      02:05
      Cardiff
      Lloyd George Avenue
      0
      FlixBus
      Economy
      £4
    Travel time is 2h 0m longer, but you will save £8

Cheapest bus trips tomorrow

Prices are for one way and one person
  • National Express
    6h 50m
    0
    05:00
    Southampton
    Coach Station
    11:50
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £16
  • National Express
    6h 25m
    0
    20:30
    Southampton
    Coach Station
    02:55
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £17
  • National Express
    7h 10m
    0
    12:05
    Southampton
    Coach Station
    19:15
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £20
  • National Express
    6h 35m
    0
    09:30
    Southampton
    Coach Station
    16:05
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £37
  • National Express
    6h 15m
    0
    11:50
    Southampton
    Coach Station
    18:05
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £40
  • Did you know that if you travel from Southampton to Cardiff via Bristol, you can save more than £2? You can find the corresponding connections below.
    • National Express
      7h 55m
      0
      18:10
      Southampton
      University
      00:08
      Bristol
      Clifton Down
      0
      National Express
      Economy
      £10
      • Waiting Time 0h 42m
    • FlixBus
      1h 15m
      0
      00:50
      Bristol
      Coach Station
      02:05
      Cardiff
      Lloyd George Avenue
      0
      FlixBus
      Economy
      £4
    Travel time is 1h 40m longer, but you will save £2

Cheapest bus trips Monday

Prices are for one way and one person
  • National Express
    6h 25m
    0
    20:30
    Southampton
    Coach Station
    02:55
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £16
  • National Express
    7h 30m
    0
    12:05
    Southampton
    Coach Station
    19:35
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £18
  • National Express
    7h 15m
    0
    04:45
    Southampton
    Coach Station
    12:00
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £20
  • National Express
    5h 45m
    0
    16:55
    Southampton
    Coach Station
    22:40
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £40
  • National Express
    6h 30m
    0
    14:20
    Southampton
    Coach Station
    20:50
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £41
  • Did you know that if you travel from Southampton to Cardiff via Bristol, you can save more than £2? You can find the corresponding connections below.
    • National Express
      7h 55m
      0
      18:10
      Southampton
      University
      00:08
      Bristol
      Clifton Down
      0
      National Express
      Economy
      £10
      • Waiting Time 0h 42m
    • FlixBus
      1h 15m
      0
      00:50
      Bristol
      Coach Station
      02:05
      Cardiff
      Lloyd George Avenue
      0
      FlixBus
      Economy
      £4
    Travel time is 2h 10m longer, but you will save £2

Cheapest bus trips Tuesday

Prices are for one way and one person
  • National Express
    6h 45m
    0
    20:30
    Southampton
    Coach Station
    03:15
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £18
  • National Express
    7h 35m
    0
    12:05
    Southampton
    Coach Station
    19:40
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £20
  • National Express
    6h 40m
    0
    04:20
    Southampton
    Coach Station
    11:00
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £44
  • National Express
    6h 15m
    0
    10:30
    Southampton
    Coach Station
    16:45
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £44
  • National Express
    6h 30m
    0
    15:30
    Southampton
    Coach Station
    22:00
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £46
  • Did you know that if you travel from Southampton to Cardiff via Bristol, you can save more than £4? You can find the corresponding connections below.
    • National Express
      7h 55m
      0
      18:10
      Southampton
      University
      00:08
      Bristol
      Clifton Down
      0
      National Express
      Economy
      £10
      • Waiting Time 0h 42m
    • FlixBus
      1h 15m
      0
      00:50
      Bristol
      Coach Station
      02:05
      Cardiff
      Lloyd George Avenue
      0
      FlixBus
      Economy
      £4
    Travel time is 1h 40m longer, but you will save £4

Cheapest bus trips Wednesday

Prices are for one way and one person
  • National Express
    6h 45m
    0
    20:30
    Southampton
    Coach Station
    03:15
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £17
  • National Express
    7h 35m
    0
    12:05
    Southampton
    Coach Station
    19:40
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £22
  • National Express
    6h 35m
    0
    11:50
    Southampton
    Coach Station
    18:25
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £41
  • National Express
    6h 30m
    0
    15:30
    Southampton
    Coach Station
    22:00
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £46
  • National Express
    6h 40m
    0
    04:20
    Southampton
    Coach Station
    11:00
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £47
  • Did you know that if you travel from Southampton to Cardiff via Bristol, you can save more than £3? You can find the corresponding connections below.
    • National Express
      7h 55m
      0
      18:10
      Southampton
      University
      00:08
      Bristol
      Clifton Down
      0
      National Express
      Economy
      £10
      • Waiting Time 0h 42m
    • FlixBus
      1h 15m
      0
      00:50
      Bristol
      Coach Station
      02:05
      Cardiff
      Lloyd George Avenue
      0
      FlixBus
      Economy
      £4
    Travel time is 1h 25m longer, but you will save £3

Cheapest bus trips Thursday

Prices are for one way and one person
  • National Express
    6h 45m
    0
    20:30
    Southampton
    Coach Station
    03:15
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £18
  • National Express
    7h 35m
    0
    12:05
    Southampton
    Coach Station
    19:40
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £19
  • National Express
    6h 40m
    0
    04:20
    Southampton
    Coach Station
    11:00
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £40
  • National Express
    6h 50m
    0
    09:30
    Southampton
    Coach Station
    16:20
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £40
  • National Express
    6h 35m
    0
    11:50
    Southampton
    Coach Station
    18:25
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £40
  • Did you know that if you travel from Southampton to Cardiff via Bristol, you can save more than £4? You can find the corresponding connections below.
    • National Express
      7h 55m
      0
      18:10
      Southampton
      University
      00:08
      Bristol
      Clifton Down
      0
      National Express
      Economy
      £10
      • Waiting Time 0h 42m
    • FlixBus
      1h 15m
      0
      00:50
      Bristol
      Coach Station
      02:05
      Cardiff
      Lloyd George Avenue
      0
      FlixBus
      Economy
      £4
    Travel time is 1h 20m longer, but you will save £4

Cheapest bus trips Friday

Prices are for one way and one person
  • National Express
    6h 25m
    0
    20:30
    Southampton
    Coach Station
    02:55
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £17
  • National Express
    7h 15m
    0
    04:45
    Southampton
    Coach Station
    12:00
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £21
  • National Express
    7h 50m
    0
    12:05
    Southampton
    Coach Station
    19:55
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £21
  • National Express
    6h 40m
    0
    04:20
    Southampton
    Coach Station
    11:00
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £40
  • National Express
    6h 30m
    0
    10:30
    Southampton
    Coach Station
    17:00
    Cardiff
    Coach Station
    0
    National Express
    Economy
    £49
  • Did you know that if you travel from Southampton to Cardiff via Bristol, you can save more than £3? You can find the corresponding connections below.
    • National Express
      7h 55m
      0
      18:10
      Southampton
      University
      00:08
      Bristol
      Clifton Down
      0
      National Express
      Economy
      £10
      • Waiting Time 0h 42m
    • FlixBus
      1h 15m
      0
      00:50
      Bristol
      Coach Station
      02:05
      Cardiff
      Lloyd George Avenue
      0
      FlixBus
      Economy
      £4
    Travel time is 1h 30m longer, but you will save £3

Frequency of bus connections between Southampton and Cardiff

See here how frequent the connections between Southampton and Cardiff are, during different times and days of the week.
Monday is the busiest day, with more than 15 daily coaches from Southampton to Cardiff. Tuesday has instead the fewest connections, with only 14 daily coaches between Southampton and Cardiff.
The busiest time of the day is the Morning, with 35 coaches from Southampton to Cardiff, while Evening sees the fewest connections between Southampton and Cardiff, with 14 offers.

Facts about coaches from Southampton to Cardiff

Compare all providers like National Express that travel 14 times every day by bus from Southampton to Cardiff in one click! Book your bus ticket from Southampton to Cardiff starting from £16!

Cheapest Bus £16
Fastest Bus 5h 25m
Earliest Coach 04:30
Latest Coach 20:30
Daily Bus Connections 14 Ø
Distance 139.1 km
Coach Companies National Express

Cheapest coach connections from Southampton to Cardiff

Every day, 14 buses from 1 coach companies leave Southampton for Cardiff: in the table below, you will find the cheapest prices for a bus ticket for this route, starting from 22/03/2025 and for the following days.

Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday 17/03
Tuesday 18/03
Wednesday 19/03
Thursday 20/03
Friday 21/03
Saturday 22/03
£22
Sunday 23/03
£16
Monday 24/03
£16
Tuesday 25/03
£18
Wednesday 26/03
£17
Thursday 27/03
£18
Friday 28/03
£17
Saturday 29/03
£18
Sunday 30/03
£16
Monday 31/03
Tuesday 01/04
£17
Wednesday 02/04
£14
Thursday 03/04
£17
Friday 04/04
£20
Saturday 05/04
£20
Sunday 06/04
£20
Monday 07/04
£20
Tuesday 08/04
Wednesday 09/04
£20
Thursday 10/04
£20
Friday 11/04
£20
Saturday 12/04
£20
Sunday 13/04

The cheapest time to travel from Southampton to Cardiff

See here on which day and which time of the day you can find the cheapest bus ticket from Southampton to Cardiff, for the next 30 days.
With a price starting from £16, Sunday is the cheapest day for a coach from Southampton to Cardiff. Saturday instead is the most expensive day with prices starting from £22.
Night is the cheapest day time for bus tickets from Southampton to Cardiff, with £16. Morning is the most expensive time of the day with prices starting from £37.

How to save money travelling from Southampton to Cardiff

Travel can be expensive, but it doesn't need to be! Do you want to avoid paying a terrible price for your trip? Then follow these quick steps to save money:

Book the ticket from Southampton to Cardiff in advance! The earlier you book, the cheaper usually the price is. Also, you will be sure to have a place on the bus from Southampton to Cardiff, compared instead if you buy it at the last moment, or directly at the station.

If you can, avoid travelling at peak times. Instead of weekend, try travelling during the week. Travelling in the evening or at night it’s also cheaper, and later coaches from Southampton to Cardiff are also emptier.

Beloved bus companies from Southampton to Cardiff

These are the most booked bus companies between Southampton to Cardiff from our users.

National Express from Southampton to Cardiff

National Express

Here you will find the key facts about the National Express bus route Southampton to Cardiff:

Cheapest Price £16
Fastest Coach 5h 25m
Earliest Coach 04:30
Last Coach 20:30
Daily Connections 14 Ø
Found on 20/03/2025

All bus stations and stops in Southampton and Cardiff

The map below shows you where to find all the bus stations in Southampton and Cardiff.

Compare the bus with other modes of transport

The bus is often the cheapest mode of transport, while other modes like train or flight are faster. Looking for quicker alternatives to travel from Southampton to Cardiff? Compare all modes of transports from Southampton to Cardiff.

Service and Comfort on the bus from Southampton to Cardiff

Want to know which seat classes are available on the coaches from Southampton to Cardiff? Or which bus companies serve the route Southampton to Cardiff? Below you will find answers to your questions.

FAQs about the Southampton to Cardiff bus

How much does a Southampton - Cardiff coach trip cost?

This depends on, among other things, the day and travel time. The cheapest ticket for the Southampton - Cardiff bus trip is available from £16 and takes 6h 50m. Compare offers and save money!

How much could I save by comparing buses from Southampton to Cardiff?

The connection Southampton to Cardiff is offered by 1 companies with ticket prices ranging from £16 to £63. Therefore, we suggest booking your ticket as soon as possible to ensure you will get the cheapest ticket price.

How many connections are available for the Southampton - Cardiff route on average every day?

Each day, the bus route from Southampton to Cardiff is offered by roughly 14 busses. By using our search, you can compare bus schedules and find your ideal trip.

How long does a bus to Cardiff from Southampton take?

The quickest coach from Southampton to Cardiff is provided by National Express and takes 5h 25m. Coach tickets for this connection cost £63. However, keep in mind that the connection can take longer due to traffic.

What time is the first bus from Southampton to Cardiff?

The earliest bus to Cardiff departs from Southampton at 04:30. In this context, information about departure times may differ on weekends and holidays. Simply use our search to find the exact times for your planned travel date.

What time is the last coach from Southampton to Cardiff?

The latest bus to Cardiff departs from Southampton at 20:30. Please note that departure times may differ on weekends and holidays. Simply use our search to find the exact times for your planned travel date.

Which bus companies serve the Southampton - Cardiff route?

Passengers looking to travel from Southampton to Cardiff can travel with National Express. Compare all available bus tickets with our search to book the trip that works best for you.

Is there a direct bus between Southampton and Cardiff?

You can check all the direct connections between Southampton and Cardiff by using our search and looking at the Changes section in our filters. These are some of the companies which offer a direct bus: National Express.

What can I take with me on the bus to Cardiff from Southampton?

Depending on which provider you travel with, what you are allowed to bring with you can vary. Generally, you can take a suitcase and hand luggage with you on the bus for the Southampton Cardiff bus route free of charge. Simply use our search to find a coach that is best suited to your needs for your planned travel date.

What equipment is available for the Southampton Cardiff bus route?

The equipment on board differs depending on the provider. However, many long-distance buses have WiFi so you can tell your friends your exact location during the journey. To make travelling even more pleasant, air conditioning systems provide ventilation. It is best to use our search to get precise information about the equipment of the bus from Southampton to Cardiff on your planned travel date.

Available seat classes which are offered on the bus route Southampton to Cardiff

Economy
Economy

The cheapest option available for your ticket, it usually comes with reclinable seats and AC.

More bus routes to Southampton and to Cardiff

Here’s an overview of the most popular bus routes to Southampton and to Cardiff. Simply click on the connection of your choice, and you will find all the details about your bus route!
Bus from Chichester to Southampton Bus from Chichester to Southampton
Andover to Southampton coach Andover to Southampton coach
Bus Plymouth to Southampton Bus Plymouth to Southampton
Coach from London to Southampton Coach from London to Southampton
Bus from Plymouth to Cardiff Bus from Plymouth to Cardiff
Swindon to Cardiff coach Swindon to Cardiff coach
Coach from Hereford to Cardiff Coach from Hereford to Cardiff
Oxford to Cardiff bus Oxford to Cardiff bus
Popular Airport Transfers to Southampton and to Cardiff
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