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Carmarthen to Chepstow trains

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Trip Overview

The average train between Carmarthen and Chepstow takes 3h 13m and the fastest train takes 2h 35m. There is a train service every few hours from Carmarthen to Chepstow. 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 13m
Duration
106 mi
Distance
£53
Average price
Every 2 hours
Frequency

Carmarthen to Chepstow train times

Trains run every 2 hours between Carmarthen and Chepstow. The earliest departure is at 6:01 AM in the morning, and the last departure from Carmarthen is at 9:15 PM which arrives into Chepstow at 6:44 AM. All services require a transfer, and take on average 3h 13m. The schedules shown below are for the next available departures.

Departing Tuesday, November 10, 2026

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    Great Western Railway (GWR)Transport for Wales3h 24m • 1 change
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    Arrives next day

    Great Western Railway (GWR)Transport for Wales4h 2m • 1 change

Departing Wednesday, November 11, 2026

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    Transport for WalesTransport for Wales2h 44m • 1 change
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    Great Western Railway (GWR)Cross Country3h 3m • 1 change
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    Great Western Railway (GWR)Cross Country2h 52m • 1 change
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    Transport for WalesTransport for Wales2h 47m • 1 change
  • Show more

Departing Thursday, November 12, 2026

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    Transport for WalesTransport for Wales2h 44m • 1 change
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    Great Western Railway (GWR)Cross Country2h 52m • 1 change
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    Transport for WalesTransport for Wales2h 47m • 1 change
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    Great Western Railway (GWR)Cross Country2h 54m • 1 change
  • Show more

Departing Friday, November 13, 2026

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    Transport for WalesTransport for Wales2h 44m • 1 change
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    Great Western Railway (GWR)Cross Country2h 52m • 1 change
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    Transport for WalesTransport for Wales2h 47m • 1 change
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    Great Western Railway (GWR)Cross Country2h 54m • 1 change
  • Show more

Departing Saturday, November 14, 2026

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    Transport for WalesTransport for Wales2h 40m • 1 change
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    Great Western Railway (GWR)Cross Country2h 51m • 1 change
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    Transport for WalesTransport for Wales2h 47m • 1 change
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    Transport for WalesTransport for Wales2h 49m • 1 change
  • Show more

Departing Sunday, November 15, 2026

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    Great Western Railway (GWR)Transport for Wales3h 39m • 1 change
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    Great Western Railway (GWR)Transport for Wales2h 50m • 1 change
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    Great Western Railway (GWR)Transport for Wales2h 35m • 1 change
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    Transport for WalesTransport for Wales4h 17m • 1 change
  • Show more

Departing Monday, November 16, 2026

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    Transport for WalesTransport for Wales2h 44m • 1 change
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    Great Western Railway (GWR)Cross Country2h 52m • 1 change
  •  → 

    Transport for WalesTransport for Wales2h 47m • 1 change
  •  → 

    Great Western Railway (GWR)Cross Country2h 54m • 1 change
  • Show more

Frequently asked questions

Want to know about travelling from Carmarthen to Chepstow? 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 Carmarthen to Chepstow.ExpandLaunch map view
  • Distance: 105.6 mi
  • Duration: 3h 13m

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

Transport for Wales operates a train from Carmarthen to Newport (S Wales) every 2 hours. Tickets cost £29–50 and the journey takes 2h 6m. Great Western Railway (GWR) also services this route every 4 hours.

Operators