Sammamish to Portland bus times
Buses run 4 times a day between Sammamish and Portland. The earliest departure is at 6:47 AM in the morning, and the last departure from Sammamish is at 8:26 PM which arrives into Portland at 12:20 AM. All services require a transfer at Airport Way S & S Royal Brougham Way and take an average of 4h 31m. The schedules shown below are for the next available departures.
Departing Friday, October 9, 2026
Departing Saturday, October 10, 2026
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4h 18m • 1 change→
5h 9m • 1 change→
4h 44m • 1 change→
4h 24m • 1 change- Show more
Departing Sunday, October 11, 2026
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4h 18m • 1 change→
5h 10m • 1 change→
4h 45m • 1 change→
4h 23m • 1 change- Show more
Departing Monday, October 12, 2026
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4h 27m • 1 change→
5h 17m • 1 change→
4h 50m • 1 change→
4h 11m • 1 change- Show more
Departing Tuesday, October 13, 2026
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4h 27m • 1 change→
5h 17m • 1 change→
4h 50m • 1 change→
4h 11m • 1 change- Show more
