Cardiff to Slough Station train times
Trains run hourly between Cardiff and Slough Station. The earliest departure is at 5:07 AM in the morning, and the last departure from Cardiff is at 9:20 PM which arrives into Slough Station at 11:21 PM. All services require a transfer, and take on average 2h 2m. The schedules shown below are for the next available departures.
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2h 2m • 1 change
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2h 4m • 1 change
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2h 4m • 1 change
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2h 3m • 1 change
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Departing Wednesday, August 5, 2026
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2h 8m • 1 change
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1h 51m • 1 change
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1h 51m • 1 change
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2h 16m • 1 change
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Departing Thursday, August 6, 2026
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2h 8m • 1 change
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1h 51m • 1 change
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1h 51m • 1 change
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2h 16m • 1 change
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