Which bus from Cardiff to Southampton is the best?
Check the bus schedule for Cardiff to Southampton. Here is a selection of the cheapest coach trips for the next days from bus operators like National Express or FlixBus. To see the full timetable for all coaches just use or search and compare.
Cheapest bus trips today
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National Express7h 0m010:00CardiffCoach Station17:00SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 01/06/2025 10:00:00 to Coach Station, Southampton (United Kingdom) arriving at 01/06/2025 17:00:00. 50 Economy ticket for £26 per person are available. Travel duration is 7h 0m
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National Express6h 50m017:30CardiffCoach Station00:20SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 01/06/2025 17:30:00 to Coach Station, Southampton (United Kingdom) arriving at 02/06/2025 00:20:00. 50 Economy ticket for £27 per person are available. Travel duration is 6h 50m
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National Express6h 40m005:55CardiffCoach Station12:35SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 01/06/2025 05:55:00 to Coach Station, Southampton (United Kingdom) arriving at 01/06/2025 12:35:00. 50 Economy ticket for £28 per person are available. Travel duration is 6h 40m
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FlixBus6h 40m006:45CardiffKingsway Coach Stop13:25SouthamptonBurgess Road0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 01/06/2025 06:45:00 to Burgess Road, Southampton (United Kingdom) arriving at 01/06/2025 13:25:00. 50 Economy ticket for £34 per person are available. Travel duration is 6h 40m
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FlixBus6h 45m010:40CardiffKingsway Coach Stop17:25SouthamptonBurgess Road0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 01/06/2025 10:40:00 to Burgess Road, Southampton (United Kingdom) arriving at 01/06/2025 17:25:00. 50 Economy ticket for £34 per person are available. Travel duration is 6h 45m
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National Express7h 50m016:30CardiffCoach Station17:50BristolCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 02/06/2025 16:30:00 to Coach Station, Bristol (United Kingdom) arriving at 02/06/2025 17:50:00. 50 Economy ticket for £5 per person are available. Travel duration is 1h 20m
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National Express5h 50m018:30BristolCoach Station00:20SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Bristol (United Kingdom) at 02/06/2025 18:30:00 to Coach Station, Southampton (United Kingdom) arriving at 03/06/2025 00:20:00. 50 Economy ticket for £9 per person are available. Travel duration is 5h 50m
Waiting Time 0h 40m -
Cheapest bus trips tomorrow
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National Express6h 45m019:45CardiffCoach Station02:30SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 02/06/2025 19:45:00 to Coach Station, Southampton (United Kingdom) arriving at 03/06/2025 02:30:00. 50 Economy ticket for £16 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 02/06/2025 17:30:00 to Coach Station, Southampton (United Kingdom) arriving at 03/06/2025 00:20:00. 50 Economy ticket for £17 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 02/06/2025 10:00:00 to Coach Station, Southampton (United Kingdom) arriving at 02/06/2025 17:15:00. 50 Economy ticket for £22 per person are available. Travel duration is 7h 15m
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FlixBus8h 15m014:50CardiffKingsway Coach Stop23:05SouthamptonBurgess Road0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 02/06/2025 14:50:00 to Burgess Road, Southampton (United Kingdom) arriving at 02/06/2025 23:05:00. 50 Economy ticket for £28 per person are available. Travel duration is 8h 15m
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FlixBus8h 30m014:50CardiffKingsway Coach Stop23:20SouthamptonCoach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 02/06/2025 14:50:00 to Coach Station, Southampton (United Kingdom) arriving at 02/06/2025 23:20:00. 50 Economy ticket for £28 per person are available. Travel duration is 8h 30m
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National Express7h 50m016:30CardiffCoach Station17:50BristolCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 02/06/2025 16:30:00 to Coach Station, Bristol (United Kingdom) arriving at 02/06/2025 17:50:00. 50 Economy ticket for £5 per person are available. Travel duration is 1h 20m
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National Express5h 50m018:30BristolCoach Station00:20SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Bristol (United Kingdom) at 02/06/2025 18:30:00 to Coach Station, Southampton (United Kingdom) arriving at 03/06/2025 00:20:00. 50 Economy ticket for £9 per person are available. Travel duration is 5h 50m
Waiting Time 0h 40m -
Cheapest bus trips Tuesday
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National Express7h 5m008:00CardiffCoach Station15:05SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 03/06/2025 08:00:00 to Coach Station, Southampton (United Kingdom) arriving at 03/06/2025 15:05:00. 50 Economy ticket for £14 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 03/06/2025 09:45:00 to Coach Station, Southampton (United Kingdom) arriving at 03/06/2025 17:10:00. 50 Economy ticket for £14 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 03/06/2025 19:15:00 to Coach Station, Southampton (United Kingdom) arriving at 04/06/2025 02:30:00. 50 Economy ticket for £16 per person are available. Travel duration is 7h 15m
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FlixBus6h 40m006:45CardiffKingsway Coach Stop13:25SouthamptonBurgess Road0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 03/06/2025 06:45:00 to Burgess Road, Southampton (United Kingdom) arriving at 03/06/2025 13:25:00. 50 Economy ticket for £22 per person are available. Travel duration is 6h 40m
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FlixBus8h 15m014:50CardiffKingsway Coach Stop23:05SouthamptonBurgess Road0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 03/06/2025 14:50:00 to Burgess Road, Southampton (United Kingdom) arriving at 03/06/2025 23:05:00. 50 Economy ticket for £22 per person are available. Travel duration is 8h 15m
Cheapest bus trips Wednesday
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National Express7h 15m019:15CardiffCoach Station02:30SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 04/06/2025 19:15:00 to Coach Station, Southampton (United Kingdom) arriving at 05/06/2025 02:30:00. 50 Economy ticket for £17 per person are available. Travel duration is 7h 15m
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FlixBus8h 15m014:50CardiffKingsway Coach Stop23:05SouthamptonBurgess Road0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 04/06/2025 14:50:00 to Burgess Road, Southampton (United Kingdom) arriving at 04/06/2025 23:05:00. 50 Economy ticket for £19 per person are available. Travel duration is 8h 15m
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FlixBus8h 30m014:50CardiffKingsway Coach Stop23:20SouthamptonCoach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 04/06/2025 14:50:00 to Coach Station, Southampton (United Kingdom) arriving at 04/06/2025 23:20:00. 50 Economy ticket for £19 per person are available. Travel duration is 8h 30m
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National Express7h 25m009:45CardiffCoach Station17:10SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 04/06/2025 09:45:00 to Coach Station, Southampton (United Kingdom) arriving at 04/06/2025 17:10:00. 50 Economy ticket for £20 per person are available. Travel duration is 7h 25m
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FlixBus6h 40m006:45CardiffKingsway Coach Stop13:25SouthamptonBurgess Road0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 04/06/2025 06:45:00 to Burgess Road, Southampton (United Kingdom) arriving at 04/06/2025 13:25:00. 50 Economy ticket for £21 per person are available. Travel duration is 6h 40m
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FlixBus8h 40m008:45CardiffKingsway Coach Stop10:05BristolCoach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 05/06/2025 08:45:00 to Coach Station, Bristol (United Kingdom) arriving at 05/06/2025 10:05:00. 50 Economy ticket for £5 per person are available. Travel duration is 1h 20m
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FlixBus6h 50m010:35BristolColdharbour Lane17:25SouthamptonBurgess Road0EconomyA Bus from FlixBus goes from Coldharbour Lane, Bristol (United Kingdom) at 05/06/2025 10:35:00 to Burgess Road, Southampton (United Kingdom) arriving at 05/06/2025 17:25:00. 50 Economy ticket for £7 per person are available. Travel duration is 6h 50m
Waiting Time 0h 30m -
Cheapest bus trips Thursday
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FlixBus6h 40m006:45CardiffKingsway Coach Stop13:25SouthamptonBurgess Road0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 05/06/2025 06:45:00 to Burgess Road, Southampton (United Kingdom) arriving at 05/06/2025 13:25:00. 50 Economy ticket for £15 per person are available. Travel duration is 6h 40m
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FlixBus6h 45m010:40CardiffKingsway Coach Stop17:25SouthamptonBurgess Road0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 05/06/2025 10:40:00 to Burgess Road, Southampton (United Kingdom) arriving at 05/06/2025 17:25:00. 50 Economy ticket for £15 per person are available. Travel duration is 6h 45m
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National Express7h 25m009:45CardiffCoach Station17:10SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 05/06/2025 09:45:00 to Coach Station, Southampton (United Kingdom) arriving at 05/06/2025 17:10:00. 50 Economy ticket for £19 per person are available. Travel duration is 7h 25m
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FlixBus8h 15m014:50CardiffKingsway Coach Stop23:05SouthamptonBurgess Road0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 05/06/2025 14:50:00 to Burgess Road, Southampton (United Kingdom) arriving at 05/06/2025 23:05:00. 50 Economy ticket for £19 per person are available. Travel duration is 8h 15m
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National Express7h 15m019:15CardiffCoach Station02:30SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 05/06/2025 19:15:00 to Coach Station, Southampton (United Kingdom) arriving at 06/06/2025 02:30:00. 50 Economy ticket for £21 per person are available. Travel duration is 7h 15m
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FlixBus8h 40m008:45CardiffKingsway Coach Stop10:05BristolCoach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 05/06/2025 08:45:00 to Coach Station, Bristol (United Kingdom) arriving at 05/06/2025 10:05:00. 50 Economy ticket for £5 per person are available. Travel duration is 1h 20m
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FlixBus6h 50m010:35BristolColdharbour Lane17:25SouthamptonBurgess Road0EconomyA Bus from FlixBus goes from Coldharbour Lane, Bristol (United Kingdom) at 05/06/2025 10:35:00 to Burgess Road, Southampton (United Kingdom) arriving at 05/06/2025 17:25:00. 50 Economy ticket for £7 per person are available. Travel duration is 6h 50m
Waiting Time 0h 30m -
Cheapest bus trips Friday
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National Express6h 45m019:45CardiffCoach Station02:30SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 06/06/2025 19:45:00 to Coach Station, Southampton (United Kingdom) arriving at 07/06/2025 02:30:00. 50 Economy ticket for £16 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 06/06/2025 17:30:00 to Coach Station, Southampton (United Kingdom) arriving at 07/06/2025 00:20:00. 50 Economy ticket for £17 per person are available. Travel duration is 6h 50m
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FlixBus8h 15m014:50CardiffKingsway Coach Stop23:05SouthamptonBurgess Road0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 06/06/2025 14:50:00 to Burgess Road, Southampton (United Kingdom) arriving at 06/06/2025 23:05:00. 50 Economy ticket for £21 per person are available. Travel duration is 8h 15m
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FlixBus8h 30m014:50CardiffKingsway Coach Stop23:20SouthamptonCoach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 06/06/2025 14:50:00 to Coach Station, Southampton (United Kingdom) arriving at 06/06/2025 23:20:00. 50 Economy ticket for £21 per person are available. Travel duration is 8h 30m
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FlixBus6h 40m006:45CardiffKingsway Coach Stop13:25SouthamptonBurgess Road0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 06/06/2025 06:45:00 to Burgess Road, Southampton (United Kingdom) arriving at 06/06/2025 13:25:00. 50 Economy ticket for £22 per person are available. Travel duration is 6h 40m
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FlixBus8h 40m008:45CardiffKingsway Coach Stop10:05BristolCoach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 05/06/2025 08:45:00 to Coach Station, Bristol (United Kingdom) arriving at 05/06/2025 10:05:00. 50 Economy ticket for £5 per person are available. Travel duration is 1h 20m
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FlixBus6h 50m010:35BristolColdharbour Lane17:25SouthamptonBurgess Road0EconomyA Bus from FlixBus goes from Coldharbour Lane, Bristol (United Kingdom) at 05/06/2025 10:35:00 to Burgess Road, Southampton (United Kingdom) arriving at 05/06/2025 17:25:00. 50 Economy ticket for £7 per person are available. Travel duration is 6h 50m
Waiting Time 0h 30m -
Cheapest bus trips Saturday
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National Express6h 50m017:30CardiffCoach Station00:20SouthamptonCoach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 07/06/2025 17:30:00 to Coach Station, Southampton (United Kingdom) arriving at 08/06/2025 00:20:00. 50 Economy ticket for £16 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 07/06/2025 19:45:00 to Coach Station, Southampton (United Kingdom) arriving at 08/06/2025 02:30:00. 50 Economy ticket for £19 per person are available. Travel duration is 6h 45m
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FlixBus6h 20m016:45CardiffKingsway Coach Stop23:05SouthamptonBurgess Road0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 07/06/2025 16:45:00 to Burgess Road, Southampton (United Kingdom) arriving at 07/06/2025 23:05:00. 50 Economy ticket for £22 per person are available. Travel duration is 6h 20m
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FlixBus6h 35m016:45CardiffKingsway Coach Stop23:20SouthamptonCoach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 07/06/2025 16:45:00 to Coach Station, Southampton (United Kingdom) arriving at 07/06/2025 23:20:00. 50 Economy ticket for £22 per person are available. Travel duration is 6h 35m
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FlixBus6h 40m006:45CardiffKingsway Coach Stop13:25SouthamptonBurgess Road0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 07/06/2025 06:45:00 to Burgess Road, Southampton (United Kingdom) arriving at 07/06/2025 13:25:00. 50 Economy ticket for £23 per person are available. Travel duration is 6h 40m
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FlixBus8h 40m008:45CardiffKingsway Coach Stop10:05BristolCoach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 05/06/2025 08:45:00 to Coach Station, Bristol (United Kingdom) arriving at 05/06/2025 10:05:00. 50 Economy ticket for £5 per person are available. Travel duration is 1h 20m
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FlixBus6h 50m010:35BristolColdharbour Lane17:25SouthamptonBurgess Road0EconomyA Bus from FlixBus goes from Coldharbour Lane, Bristol (United Kingdom) at 05/06/2025 10:35:00 to Burgess Road, Southampton (United Kingdom) arriving at 05/06/2025 17:25:00. 50 Economy ticket for £7 per person are available. Travel duration is 6h 50m
Waiting Time 0h 30m -
What is the best day and time to travel by bus between Cardiff and Southampton?
All facts for Cardiff to Southampton bus at a glance
Compare all coach operators like National Express and FlixBus that travel daily 19 times by bus from Cardiff to Southampton in one click. Book your Cardiff to Southampton bus ticket starting from £14!
Cheapest Bus | £14 |
Fastest Bus | 5h 25m |
Earliest Coach | 03:40 |
Latest Coach | 23:40 |
Daily Bus Connections | 19 Ø |
Distance | 139.1 km |
Coach Companies | National Express and FlixBus |
What are the cheapest coach tickets from Cardiff to Southampton?
Every day, 19 buses from 2 coach companies leave Cardiff for Southampton. Check the table below to find the cheapest prices for coach tickets for this route, starting from 02/06/2025 and for the following days. Make sure get the cheapest bus ticket!
The cheapest time to travel from Cardiff to Southampton
How to save money travelling from Cardiff to Southampton
Book the ticket from Cardiff to Southampton in advance! The earlier you book, the cheaper usually the price is. Also, you will be sure to have a place on the coach from Cardiff to Southampton, 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 Cardiff to Southampton are also emptier.Check for bus deals and promotions for all bus companies in this route. On CheckMyBus we show special offers directly in the coach trip on our search. Sign-up and check or deals sections and get notifications on our latest travel hacks.
What are the most popular bus companies from Cardiff to Southampton?
National Express from Cardiff to Southampton
Here you will find the key facts about the National Express bus route Cardiff to Southampton:
Cheapest Price | £14 |
Fastest Coach | 5h 25m |
Earliest Coach | 03:40 |
Last Coach | 23:40 |
Daily Connections | 13 Ø |
Found on | 31/05/2025 |
FlixBus from Cardiff to Southampton
Here you will find the key facts about the FlixBus bus route Cardiff to Southampton:
Cheapest Price | £15 |
Fastest Coach | 6h 20m |
Earliest Coach | 06:45 |
Last Coach | 16:45 |
Daily Connections | 5 Ø |
Found on | 31/05/2025 |
All bus stations and stops in Cardiff and Southampton
Here is a map with all coach stations in Cardiff and Southampton. Compare which stop is closest to your destination to save time to find the fastest buses and connections.
Compare the bus with other modes of transport
All you need to know when you travel by bus from Cardiff to Southampton
FAQs for Cardiff to Southampton bus
How much does a Cardiff Southampton coach trip cost?
How much could I save by comparing buses from Cardiff to Southampton?
How many connections are available for the Cardiff Southampton route on average every day?
How long does a bus to Southampton from Cardiff take?
What time is the first bus from Cardiff to Southampton?
What time is the last coach from Cardiff to Southampton?
Which bus companies serve the Cardiff Southampton route?
Is there a direct bus between Cardiff and Southampton?
What can I take with me on the bus to Southampton from Cardiff?
What equipment is available for the Cardiff Southampton bus route?
Available seat classes which are offered on the bus route Cardiff to Southampton
The cheapest option available for your ticket, it usually comes with reclinable seats and AC.
More bus routes to Cardiff and to Southampton
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