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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
£55
Average price
Hourly
Frequency

Train

best
  1. Take the train from Chepstow to Cardiff Centraltrain train Nottingham - Cardiff Central / ...
  2. Take the train from Cardiff Central to Carmarthentrain train Bristol Temple Meads - Milford Haven / ...
2h 44m
£36–79

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 11:52 AM. All services require a transfer, and take on average 3h 11m. The schedules shown below are for the next available departures.

Departing Friday, October 9, 2026

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    Transport for WalesTransport for Wales3h 10m • 1 change

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    Cross CountryGreat Western Railway (GWR)2h 27m • 1 change

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    Transport for WalesTransport for Wales2h 38m • 1 change

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    Cross CountryTransport for Wales2h 55m • 1 change
  • Show more

Departing Saturday, October 10, 2026

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    Transport for WalesTransport for Wales2h 42m • 1 change

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    Cross CountryGreat Western Railway (GWR)2h 58m • 1 change

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    Transport for WalesTransport for Wales2h 30m • 1 change

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    Cross CountryGreat Western Railway (GWR)2h 33m • 1 change
  • Show more

Departing Sunday, October 11, 2026

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    Transport for WalesTransport for Wales3h 51m • 1 change

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    Transport for WalesTransport for Wales2h 25m • 1 change

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    Transport for WalesTransport for Wales2h 42m • 1 change

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    Transport for WalesGreat Western Railway (GWR)2h 24m • 1 change
  • Show more

Departing Monday, October 12, 2026

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    Transport for WalesTransport for Wales2h 40m • 1 change

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    Cross CountryTransport for Wales3h 9m • 1 change

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    Transport for WalesTransport for Wales2h 22m • 1 change

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    Cross CountryTransport for Wales2h 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.

Map of how to get from Chepstow to Carmarthen.ExpandLaunch map view
  • Distance: 105.6 mi
  • Duration: 3h 11m

What companies run services between Chepstow, Wales and Carmarthen, Wales?

You can take a train from Chepstow to Carmarthen via Cardiff Central in around 2h 44m.

Operators