🚌 Bus from Carmarthen to Swansea
2 direct routes · about 70 min · first bus 10:55, last bus 10:55 (weekdays).
💷 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. Who travels free →
Direct routes
| Route | Operator | Journey time | Weekday journeys | First | Last | Board at |
|---|---|---|---|---|---|---|
| 508 | National Express | ~70 min | 6 | 10:55 | 10:55 | Rose and Crown (before) |
| 112 | National Express | ~70 min | 4 | 09:35 | 09:50 | Rose and Crown (before) |
Times are for the first boarding point in Carmarthen on each route's weekday timetable — open the route for the full timetable, live map and every stop.
Frequently asked questions
Which bus goes from Carmarthen to Swansea?
2 routes run directly from Carmarthen to Swansea: the 508 (National Express), the 112 (National Express).
How long does the bus take from Carmarthen to Swansea?
Around 70 minutes on the 508, depending on time of day and traffic.
What time is the first and last bus from Carmarthen to Swansea?
On weekdays the first direct bus (the 508) leaves around 10:55 and the last around 10:55. Check the route timetable for weekends.
How much is the bus from Carmarthen to Swansea?
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.