- Distance: 163.9 mi
- Duration: 3h 8m
The average bus between SeaTac and Portland takes 3h 8m and the fastest bus takes 2h 45m. The bus service runs several times per day from SeaTac to Portland. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run 4 times a day between SeaTac and Portland. The earliest departure is at 8:10 AM in the morning, and the last departure from SeaTac is at 8:35 PM which arrives into Portland at 11:20 PM. All services run direct with no transfers required, and take on average 3h 8m. The schedules shown below are for the next available departures.
Want to know about travelling from SeaTac to Portland? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
Yes, there is a direct bus departing from Seattle Tacoma Intl Airport station and arriving at Portland Curbside Bus Stop station. Services depart four times a day, and operate every day. The journey takes approximately 3h 8m.
SeaTac to Portland bus services, operated by Greyhound USA, depart from Seattle Tacoma Intl Airport station.
SeaTac to Portland bus services, operated by Greyhound USA, arrive at Portland Curbside Bus Stop station.
Book your SeaTac to Portland bus tickets online with Omio and FlixBus.
The distance between SeaTac and Portland is 216.1 km. The road distance is 258 km.
Greyhound USA operates a bus from Seattle Tacoma Intl Airport to Portland Curbside Bus Stop once daily. Tickets cost $29–45 and the journey takes 3h 5m. Flixbus USA also services this route twice daily.
