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 8:20 PM which arrives into Chepstow at 12:23 AM. All services require a transfer, and take on average 3h 11m. The schedules shown below are for the next available departures.
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2h 40m • 1 change
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2h 56m • 1 change
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3h 24m • 1 change
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Arrives next day
4h 2m • 1 change
Departing Tuesday, August 11, 2026
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2h 44m • 1 change
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2h 52m • 1 change
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2h 47m • 1 change
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2h 54m • 1 change
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Departing Wednesday, August 12, 2026
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2h 44m • 1 change
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2h 52m • 1 change
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2h 47m • 1 change
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2h 54m • 1 change
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Departing Thursday, August 13, 2026
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2h 44m • 1 change
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2h 52m • 1 change
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2h 47m • 1 change
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2h 54m • 1 change
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Departing Friday, August 14, 2026
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2h 40m • 1 change
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2h 51m • 1 change
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2h 47m • 1 change
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2h 45m • 1 change
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