Chepstow to Carmarthen Trains

Chepstow to Carmarthen trains

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Trip Overview

The average train between Chepstow and Carmarthen takes 3h 11m and the fastest train takes 2h 22m. There is a train service every few hours from Chepstow 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.

3h 11m
Duration: 106 mi
Distance: £59
Average price: Hourly
Frequency

Train

best

Take the train from Chepstow to Cardiff Centraltrain Cheltenham Spa - Cardiff Central / ...
Take the train from Cardiff Central to Carmarthentrain Bristol Temple Meads - Haverfordwest / ...

2h 51m

£42–92

Chepstow to Carmarthen train times

Trains run hourly between Chepstow and Carmarthen. The earliest departure is at 6:17 AM in the morning, and the last departure from Chepstow is at 11:38 PM which arrives into Carmarthen at 7:42 AM. All services require a transfer, and take on average 3h 11m. The schedules shown below are for the next available departures.

Departing Tuesday, August 11, 2026

6:17 AM → 8:57 AM
2h 40m • 1 change
7:21 AM → 10:31 AM
3h 10m • 1 change
9:22 AM → 11:45 AM
2h 22m • 1 change
9:53 AM → 12:36 PM
2h 43m • 1 change
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Departing Wednesday, August 12, 2026

6:17 AM → 8:57 AM
2h 40m • 1 change
7:21 AM → 10:31 AM
3h 10m • 1 change
9:22 AM → 11:45 AM
2h 22m • 1 change
9:53 AM → 12:36 PM
2h 43m • 1 change
Show more

Departing Thursday, August 13, 2026

6:17 AM → 8:57 AM
2h 40m • 1 change
7:21 AM → 10:31 AM
3h 10m • 1 change
9:22 AM → 11:45 AM
2h 22m • 1 change
9:53 AM → 12:36 PM
2h 43m • 1 change
Show more

Frequently asked questions

Want to know about travelling from Chepstow 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.