Seattle Airport (SEA) to Troutdale bus times
Buses run 4 times a day between Seattle Airport (SEA) and Troutdale. 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 Troutdale at 5:04 AM. All services require a transfer at Portland Curbside Bus Stop and take an average of 5h 26m. The schedules shown below are for the next available departures.
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4h 22m • 1 change
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4h 45m • 1 change
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4h 30m • 1 change
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Arrives next day
10h 18m • 1 change
Departing Friday, August 21, 2026
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4h 23m • 1 change
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4h 42m • 1 change
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4h 30m • 1 change
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Arrives next day
10h 18m • 1 change
Departing Saturday, August 22, 2026
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4h 24m • 1 change
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4h 44m • 1 change
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4h 31m • 1 change
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Arrives next day
8h 29m • 1 change
