The average train between Chester and Carmarthen takes 5h 36m and the fastest train takes 4h 29m. The train service runs several times per day from Chester to Carmarthen. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run every 4 hours between Chester and Carmarthen. The earliest departure is at 6:19 AM in the morning, and the last departure from Chester is at 10:22 PM which arrives into Carmarthen at 7:42 AM. All services require a transfer, and take on average 5h 36m. The schedules shown below are for the next available departures.

5h 6m • 1 change

5h 6m • 1 change

4h 54m • 1 change

5h 11m • 1 change

4h 29m • 1 change

5h 6m • 1 change

5h 6m • 1 change

4h 54m • 1 change

4h 29m • 1 change

5h 6m • 1 change

5h 6m • 1 change

4h 54m • 1 change

4h 29m • 1 change

5h 6m • 1 change

5h 6m • 1 change

4h 54m • 1 change

4h 29m • 1 change

5h 6m • 1 change

5h 6m • 1 change

4h 54m • 1 change

5h 30m • 1 change

5h 28m • 1 change

5h 24m • 1 change

5h 29m • 1 change
Want to know about travelling from Chester to Carmarthen? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct train from Chester to Carmarthen. However, there are services departing from Chester station and arriving at Carmarthen station via Cardiff Central. The journey, including transfers, takes approximately 5h 36m.
Chester to Carmarthen train services, operated by Transport for Wales, depart from Chester station.
Chester to Carmarthen train services, operated by Transport for Wales, arrive at Carmarthen station.
Book your Chester to Carmarthen train tickets online with Transport for Wales and Great Western Railway (GWR).
The distance between Chester and Carmarthen is 176.6 km. The road distance is 361 km.
You can take a train from Chester to Carmarthen via Cardiff Central in around 5h 7m.