Which bus from Carmarthen to Swansea is the best?
Check the bus schedule for Carmarthen to Swansea. Here is a selection of the cheapest coach trips for the next days from bus operators like National Express. To see the full timetable for all coaches just use or search and compare.
Cheapest bus trips today
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National Express0h 50m010:55CarmarthenBus Station11:45SwanseaCity Bus Station0EconomyA Bus from National Express goes from Bus Station, Carmarthen (United Kingdom) at 15/06/2025 10:55:00 to City Bus Station, Swansea (United Kingdom) arriving at 15/06/2025 11:45:00. 50 Economy ticket for £6 per person are available. Travel duration is 0h 50m
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National Express0h 50m008:50CarmarthenBus Station09:40SwanseaCity Bus Station0EconomyA Bus from National Express goes from Bus Station, Carmarthen (United Kingdom) at 15/06/2025 08:50:00 to City Bus Station, Swansea (United Kingdom) arriving at 15/06/2025 09:40:00. 50 Economy ticket for £7 per person are available. Travel duration is 0h 50m
Cheapest bus trips Tuesday
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National Express0h 50m008:50CarmarthenBus Station09:40SwanseaCity Bus Station0EconomyA Bus from National Express goes from Bus Station, Carmarthen (United Kingdom) at 17/06/2025 08:50:00 to City Bus Station, Swansea (United Kingdom) arriving at 17/06/2025 09:40:00. 50 Economy ticket for £6 per person are available. Travel duration is 0h 50m
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National Express0h 50m010:55CarmarthenBus Station11:45SwanseaCity Bus Station0EconomyA Bus from National Express goes from Bus Station, Carmarthen (United Kingdom) at 17/06/2025 10:55:00 to City Bus Station, Swansea (United Kingdom) arriving at 17/06/2025 11:45:00. 50 Economy ticket for £6 per person are available. Travel duration is 0h 50m
Cheapest bus trips Wednesday
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National Express0h 50m008:50CarmarthenBus Station09:40SwanseaCity Bus Station0EconomyA Bus from National Express goes from Bus Station, Carmarthen (United Kingdom) at 18/06/2025 08:50:00 to City Bus Station, Swansea (United Kingdom) arriving at 18/06/2025 09:40:00. 50 Economy ticket for £6 per person are available. Travel duration is 0h 50m
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National Express0h 50m010:55CarmarthenBus Station11:45SwanseaCity Bus Station0EconomyA Bus from National Express goes from Bus Station, Carmarthen (United Kingdom) at 18/06/2025 10:55:00 to City Bus Station, Swansea (United Kingdom) arriving at 18/06/2025 11:45:00. 50 Economy ticket for £6 per person are available. Travel duration is 0h 50m
Cheapest bus trips Friday
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National Express0h 50m008:35CarmarthenBus Station09:25SwanseaCity Bus Station0EconomyA Bus from National Express goes from Bus Station, Carmarthen (United Kingdom) at 20/06/2025 08:35:00 to City Bus Station, Swansea (United Kingdom) arriving at 20/06/2025 09:25:00. 50 Economy ticket for £6 per person are available. Travel duration is 0h 50m
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National Express0h 50m010:55CarmarthenBus Station11:45SwanseaCity Bus Station0EconomyA Bus from National Express goes from Bus Station, Carmarthen (United Kingdom) at 20/06/2025 10:55:00 to City Bus Station, Swansea (United Kingdom) arriving at 20/06/2025 11:45:00. 50 Economy ticket for £6 per person are available. Travel duration is 0h 50m
Cheapest bus trips Saturday
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National Express0h 50m008:50CarmarthenBus Station09:40SwanseaCity Bus Station0EconomyA Bus from National Express goes from Bus Station, Carmarthen (United Kingdom) at 21/06/2025 08:50:00 to City Bus Station, Swansea (United Kingdom) arriving at 21/06/2025 09:40:00. 50 Economy ticket for £6 per person are available. Travel duration is 0h 50m
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National Express0h 50m010:55CarmarthenBus Station11:45SwanseaCity Bus Station0EconomyA Bus from National Express goes from Bus Station, Carmarthen (United Kingdom) at 21/06/2025 10:55:00 to City Bus Station, Swansea (United Kingdom) arriving at 21/06/2025 11:45:00. 50 Economy ticket for £6 per person are available. Travel duration is 0h 50m
Enjoy these deals on your way from Carmarthen to Swansea

Ends soon! Get 25% off coach tickets. Travel by Aug 31.
All facts for Carmarthen to Swansea bus at a glance
Compare all coach operators like National Express that travel daily 2 times by bus from Carmarthen to Swansea in one click. Book your Carmarthen to Swansea bus ticket starting from £6!
Cheapest Bus | £6 |
Fastest Bus | 0h 50m |
Earliest Coach | 08:50 |
Latest Coach | 10:55 |
Daily Bus Connections | 2 Ø |
Distance | 36.5 km |
Coach Companies | National Express |
What are the cheapest coach tickets from Carmarthen to Swansea?
Every day, 2 buses from 1 coach companies leave Carmarthen for Swansea. Check the table below to find the cheapest prices for coach tickets for this route, starting from 15/06/2025 and for the following days. Make sure get the cheapest bus ticket!
How to save money travelling from Carmarthen to Swansea
Book the ticket from Carmarthen to Swansea 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 Carmarthen to Swansea, 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 Carmarthen to Swansea 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 Carmarthen to Swansea?
National Express from Carmarthen to Swansea
Here you will find the key facts about the National Express bus route Carmarthen to Swansea:
Cheapest Price | £6 |
Fastest Coach | 0h 50m |
Earliest Coach | 08:50 |
Last Coach | 10:55 |
Daily Connections | 2 Ø |
Found on | 14/06/2025 |
All bus stations and stops in Carmarthen and Swansea
Here is a map with all coach stations in Carmarthen and Swansea. Compare which stop is closest to your destination to save time to find the fastest buses and connections.
All you need to know when you travel by bus from Carmarthen to Swansea
FAQs for Carmarthen to Swansea bus
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What equipment is available for the Carmarthen Swansea bus route?
Available seat classes which are offered on the bus route Carmarthen to Swansea
The cheapest option available for your ticket, it usually comes with reclinable seats and AC.
More bus routes to Carmarthen and to Swansea
- Bus Routes to Carmarthen
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- Bus Routes to Swansea
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- Bath to Swansea bus
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- Coach from Chesterfield to Swansea
- Edinburgh to Swansea coach
- Bus to Swansea from Exeter
- Coach to Swansea from Hamilton
- Coach Haverfordwest to Swansea
- Bus to Swansea from Hull
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- Coaches Leicester to Swansea
- Liverpool to Swansea coach
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