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 | CheapestFastest | ||||
| Bus | Swansea Bus Station, Stand A | Lammas Street, outside the Boar’s Head | No tags | ||||
| Bus | Swansea Bus Station, Stand B | Lammas Street, outside the Boar’s Head | No tags | ||||
| Bus | Swansea Bus Station, Stand B | Lammas Street, outside the Boar’s Head | No tags |
Last refresh of the prices: Last Friday at 6:37 AM GMT.
Compare 2 ways to go from Swansea to Carmarthen
Among the sustainable travel choices, the bus stands out as the good way to reach Carmarthen. The journey takes about 45 minutes and with fares starting at just $10, it presents an excellent value for a comfortable ride.
Where are the popular stops in Swansea and Carmarthen?
Stops in Swansea
- A
Swansea University - Bay Campus
Elba Crescent, Skewen, Swansea SA1 8QQ, UK - BPlymouth Street, Swansea SA1, Wales, United Kingdom
- C
Wellington St
Wellington St, Swansea SA1 3QX, UK
Stops in Carmarthen
- A
Carmarthen Bus Stop (o/s Bus Stn)
27 Blue Street, Stand 2, Carmarthen SA31 3LE
Compare bus companies
Based on 29765 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
Frequently asked questions about traveling from Swansea to Carmarthen by bus
Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.
How much is the bus ticket from Swansea to Carmarthen?
The cheapest bus tickets from Swansea to Carmarthen start from $10. The average price for this route is around $11. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.
How long is the bus ride from Swansea to Carmarthen?
The average bus trip duration from Swansea to Carmarthen is 45m, covering a distance of 23 miles (37 km). The quickest bus can get you there in 45m and is operated by National Express.
Which bus companies service the Swansea to Carmarthen route?
Several major train operators operate on this route with 2 trains available per day.
What is the earliest and latest departure time for the bus from Swansea to Carmarthen?
The earliest bus departs from Swansea to Carmarthen at 4:15pm. And the latest bus departs at 6:20pm.
What are the CO₂ emissions for the bus trip from Swansea to Carmarthen?
A bus trip from Swansea to Carmarthen generates an estimated 1 kg of CO₂, making it a highly eco-friendly travel option and recommended mode of travel by Busbud.
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 Dec 18, 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 Swansea to Carmarthen, as early as possible.
You can expect to pay from $8 to $14 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 $8 which is on 2025-12-18.
What's the cheapest way to go from Swansea to Carmarthen?
The bus is the cheapest travel choice for this destination
