Next bus departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Bus | Swansea Bus Station, Stand A | Lammas Street, outside the Boar’s Head | Cheapest | ||||
| Bus | Swansea Bus Station, Stand B | Lammas Street, outside the Boar’s Head | Fastest | ||||
| Bus | Swansea Bus Station, Stand B | Lammas Street, outside the Boar’s Head | No tags | ||||
| Bus | Swansea Bus Station, Stand A | Lammas Street, outside the Boar’s Head | No tags |
Last refresh of the prices: Last Sunday at 10:58 PM GMT.
Compare 2 ways to go from Swansea to Carmarthen
Among the sustainable travel choices, the bus stands out as a good way to reach Carmarthen. The journey takes about 45 minutes, and with fares starting at just $14, it presents an excellent value for a comfortable ride.
Compare bus companies
Based on 29717 reviews, the company was rated 4.2 stars on Busbud. Travellers were especially satisfied with the ticket access and the staff but often complained with the WiFi. National Express ticket prices on this trip start at $14
Where are the popular stops in Swansea and Carmarthen?
Frequently asked questions about travelling from Swansea to Carmarthen by bus
What is the distance between Swansea and Carmarthen?
Swansea and Carmarthen are 37 km (23 miles) apart.
What are the departure and arrival locations for buses traveling from Swansea to Carmarthen?
Buses departing from Swansea University - Bay Campus in Swansea will take you to Carmarthen Bus Stop (o/s Bus Stn) in Carmarthen.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Swansea to Carmarthen was searched and found on Nov 18, 2025 with a price of $11To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Swansea to Carmarthen, as early as possible.
You can expect to pay from $11 to $20 for a bus ticket from Swansea to Carmarthen based on the last 2 days. You can expect to find the cheapest price for the trip at $11 which is on 2025-11-24.
What's the cheapest way to go from Swansea to Carmarthen?
The bus is the cheapest travel choice for this destination
