Castlebar to Letterkenny bus times
Buses run 4 times a day between Castlebar and Letterkenny. The earliest departure is at 5:50 AM in the morning, and the last departure from Castlebar is at 5:50 PM which arrives into Letterkenny at 11:50 PM. All services require a transfer, and take on average 4h 48m. The schedules shown below are for the next available departures.
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4h 40m • 1 change
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4h 55m • 1 change
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4h 35m • 1 change
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4h 32m • 1 change
Departing Tuesday, May 19, 2026
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4h 40m • 1 change
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4h 55m • 1 change
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4h 35m • 1 change
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4h 32m • 1 change
Departing Wednesday, May 20, 2026
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4h 40m • 1 change
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4h 55m • 1 change
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4h 35m • 1 change
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4h 32m • 1 change
Departing Thursday, May 21, 2026
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4h 40m • 1 change
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4h 55m • 1 change
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4h 35m • 1 change
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5h 7m • 1 change
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