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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

Train

best
  1. Take the train from Carmarthen to Newport (S Wales)train train Haverfordwest - Manchester Piccadilly / ...
2h 50m
£35–79

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 Thursday, October 8, 2026

  •  → 

    Transport for WalesTransport for Wales2h 47m • 1 change

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

  •  → 

    Transport for WalesTransport for Wales2h 46m • 1 change

  •  → 

    Transport for WalesTransport for Wales2h 45m • 1 change
  • Show more

Departing Friday, October 9, 2026

  •  → 

    Transport for WalesTransport for Wales2h 44m • 1 change

  •  → 

    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

Departing Saturday, October 10, 2026

  •  → 

    Transport for WalesTransport for Wales2h 40m • 1 change

  •  → 

    Great Western Railway (GWR)Cross Country2h 51m • 1 change

  •  → 

    Transport for WalesTransport for Wales2h 47m • 1 change

  •  → 

    Great Western Railway (GWR)Cross Country2h 45m • 1 change
  • Show more

Departing Sunday, October 11, 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

  •  → 

    Great Western Railway (GWR)Transport for Wales2h 35m • 1 change

  •  → 

    Transport for WalesTransport for Wales4h 17m • 1 change
  • Show more

Departing Monday, October 12, 2026

  •  → 

    Transport for WalesTransport for Wales2h 44m • 1 change

  •  → 

    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 3 hours. Tickets cost £30–50 and the journey takes 2h 6m. Great Western Railway (GWR) also services this route every 4 hours.

Operators