- Distance: 160.7 mi
- Duration: 3h 13m
The average bus between Union Station, Portland and SeaTac takes 3h 13m and the fastest bus takes 3h 10m. The bus service runs several times per day from Union Station, Portland to SeaTac. 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 Union Station, Portland and SeaTac. The earliest departure is at 6:20 AM in the morning, and the last departure from Union Station, Portland is at 7:10 PM which arrives into SeaTac at 10:20 PM. All services run direct with no transfers required, and take on average 3h 13m. The schedules shown below are for the next available departures.
Want to know about travelling from Union Station, Portland to SeaTac? 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 Union Station, Portland station and arriving at SeaTac station. Services depart 4 times a day, and operate Twice daily. The journey takes approximately 3h 13m.
Union Station, Portland to SeaTac bus services, operated by Flixbus USA, depart from Portland Curbside Bus Stop station.
Union Station, Portland to SeaTac bus services, operated by Flixbus USA, arrive at Seattle Tacoma Intl Airport station.
Book your Union Station, Portland to SeaTac bus tickets online with Flixbus USA and Greyhound USA.
The distance between Union Station, Portland and SeaTac is 215.5 km. The road distance is 259 km.
Flixbus USA operates a bus from Portland Curbside Bus Stop to Seattle Tacoma Intl Airport 3 times a day. Tickets cost $24–45 and the journey takes 3h 10m. Greyhound USA also services this route once daily.
