Next bus departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Bus | Lammas Street, outside the Boar’s Head | Swansea Bus Station, Stand A | CheapestFastest | ||||
| Bus | Lammas Street, outside the Boar’s Head | Swansea Bus Station, Stand B | No tags | ||||
| Bus | Lammas Street, outside the Boar’s Head | Swansea Bus Station, Stand B | No tags | ||||
| Bus | Lammas Street, outside the Boar’s Head | Swansea Bus Station, Stand A | No tags |
Last refresh of the prices: Today at 1:32 AM GMT.
Compare 2 ways to go from Carmarthen to Swansea
Among the sustainable travel choices, the bus stands out as the good way to reach Swansea. The journey takes about 50 minutes and with fares starting at just $10, it presents an excellent value for a comfortable ride.
Compare bus companies
Based on 29720 reviews, the company was rated 4.2 stars on Busbud. Travelers 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 $10
Where are the popular stops in Carmarthen and Swansea?
Frequently asked questions about traveling from Carmarthen to Swansea by bus
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Carmarthen to Swansea was searched and found on Nov 21, 2025 with a price of $8To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Carmarthen to Swansea, as early as possible.
You can expect to pay from $8 to $14 for a bus ticket from Carmarthen to Swansea based on the last 2 days. You can expect to find the cheapest price for the trip at $8 which is on 2025-11-21.
What's the cheapest way to go from Carmarthen to Swansea?
The bus is the cheapest travel choice for this destination
