Bus from Cardiff to Carmarthen
3 direct routes · about 146 min · first and last bus 17:15 (weekdays).
Next buses to Carmarthen as of 12:06
Scheduled times at the boarding stop in Cardiff, from the operators' timetables — they update automatically. Open the stop for live tracking.
Direct routes
| Route | Operator | Journey time | Weekday journeys | Days | First | Last | Board at | Get off at | Calls at |
|---|---|---|---|---|---|---|---|---|---|
| 112 | National Express | ~130 min | 2 | Sat 2 · Sun 2 | 16:50 | 16:50 | Sophia Gardens (nr) | Rose and Crown (before) | Bridgend, Port Talbot, Crymlyn Burrows, Swansea & Cross Hands |
| 508 | National Express | ~150 min | 1 | Monday to Thursday only | 15:15 | 15:15 | Sophia Gardens (nr) | Rose and Crown (before) | Crymlyn Burrows, Swansea & Cross Hands |
| T1C | Mid Wales Travel | ~146 min | 1 | Sat 1 · Sun 1 | 17:15 | 17:15 | Mermaid Quay (opp Bills) | Glangwili Hospital | Pencoed, Bridgend, Port Talbot, Lon-Las & Cross Hands |
Times are for the first boarding point in Cardiff on each route's weekday timetable — open the route for the full timetable, live map and every stop.
The same number runs elsewhere in the UK — see every 112 bus or 508 bus timetable.
Frequently asked questions
Which bus goes from Cardiff to Carmarthen?
3 routes run directly from Cardiff to Carmarthen: the 112 (National Express), the 508 (National Express), the T1C (Mid Wales Travel). The most frequent is the 112, twice each weekday — board at Sophia Gardens (nr) and get off at Rose and Crown (before), about 130 minutes.
How long does the bus take from Cardiff to Carmarthen?
Around 146 minutes on the T1C, depending on time of day and traffic. It calls at Bridgend, Port Talbot, Crymlyn Burrows, Swansea and other stops on the way.
What time is the first and last bus from Cardiff to Carmarthen?
On weekdays the first and last direct bus leaves around 17:15. Check the route timetables for weekends.
How much is the bus from Cardiff to Carmarthen?
Fares on this journey are set by the operator — the England fare cap doesn't apply in Wales. Check the operator's website or Traveline Cymru for current prices.
Same journey, other stops
The same trip, starting or ending at a town centre that has its own page here.