British Museum to Portsmouth train times
Trains run every 30 minutes between British Museum and Portsmouth. The earliest departure is at 3:22 AM at night, and the last departure from British Museum is at 11:23 PM which arrives into Portsmouth at 1:20 AM. All services require a transfer at Tottenham Court Road station and take an average of 1h 52m. The schedules shown below are for the next available departures.
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Arrives next day
1h 43m • 1 change
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Arrives next day
2h 2m • 1 change
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Arrives next day
1h 57m • 1 change
Departing Thursday, August 13, 2026
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3h 53m • 1 change
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2h 4m • 1 change
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1h 41m • 1 change
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1h 44m • 1 change
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Departing Friday, August 14, 2026
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2h 4m • 1 change
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2h 11m • 1 change
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1h 37m • 1 change
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1h 39m • 1 change
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