Seattle Airport (SEA) to Portland Marriott Downtown Waterfront bus times
Buses run 4 times a day between Seattle Airport (SEA) and Portland Marriott Downtown Waterfront. The earliest departure is at 8:10 AM in the morning, and the last departure from Seattle Airport (SEA) is at 8:35 PM which arrives into Portland Marriott Downtown Waterfront at 11:30 PM. All services require a transfer at Portland Curbside Bus Stop and take an average of 3h 44m. The schedules shown below are for the next available departures.
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3h 19m • 1 change
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3h 52m • 1 change
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3h 35m • 1 change
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2h 55m • 1 change
Departing Saturday, August 22, 2026
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3h 19m • 1 change
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3h 52m • 1 change
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3h 40m • 1 change
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2h 55m • 1 change
Departing Sunday, August 23, 2026
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3h 19m • 1 change
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3h 52m • 1 change
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3h 40m • 1 change
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2h 55m • 1 change
