Compare 2 ways to go from Swansea to Carmarthen.
Busbud recommends taking the bus from Swansea to CarmarthenAmong 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.
Train Swansea to Carmarthen: Trip Overview
Please note, this information is subject to change.
Train Companies
Swansea to Carmarthen Train
Busbud helps you find a train from Swansea to Carmarthen. Get the best fare and schedule, book a round trip ticket or find trains with WiFi and electrical outlets.
We make sure you can find a train service from Swansea to Carmarthen from the most reliable train companies operating this trip.
Whether it is train tickets or first class train tickets going to Carmarthen from Swansea, we help you find what you're looking for based on how much of a budget you have.
Frequently asked questions for your trip Swansea - Carmarthen
Find cheapest prices for trains
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 Apr 29, 2025 with a price of $18To save money and be sure you have the best seat, it's a good idea to buy your train tickets from Swansea to Carmarthen, as early as possible.
You can expect to pay from $18 to $27 for a train ticket from Swansea to Carmarthen based on the last 2 days. You can expect to find the cheapest price for the trip at $18 which is on 2025-05-04.
Usually RDG_GWR will charge you higher prices for tickets closer to the departure date. To find the best prices, you should be flexible on your date of travel.
About Train Travel
Train Travel Tips
There are many train stations in the world, check it station pages on Busbud to get all information you need.
Regional train? High-speed train? Whichever train to Carmarthen you take, you’ll help reduce the environmental impact and carbon footprint of your trip. As you watch the landscapes unfold before your eyes, you can tell yourself that with this choice, you are making sure they remain protected.
By choosing the train between Swansea and Carmarthen, you emit up to 30 times less CO2 than for the same journey made by plane or car!
Tune out to the fine sounds of your best music playlist on your train trip from Swansea to Carmarthen while indulging in miles on end of beautiful scenic views.
Did you know?
One of the deepest train stations in the world is in Kiev. Located at a depth of 105 m, it was designed in this way to serve as a shelter in the event of an attack. The second deepest station is in China. Badaling station is located 60 m under the Great Wall of China!
The magnetic levitation train (Maglev for short) is currently the fastest train in the world. With a speed of 603 km/ h, it is closely followed by the French high-speed train (574.8 km / h) which remains in 2020, the fastest train to date
The first high-speed train line was inaugurated in 1964, in Japan, to connect Tokyo with Osaka. It was during the Olympics that the first passengers traveled aboard the Shinkansen at a speed of 210 km / h.
Top Traveled Train Routes
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Popular Trains Connecting Swansea
Trains Leaving from Swansea
Popular Trains Connecting Carmarthen
Trains Going to Carmarthen
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