The average bus between SeaTac and Hillsboro takes 5h 47m and the fastest bus takes 4h 45m. The bus service runs several times per day from SeaTac to Hillsboro. 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 3 times a day between SeaTac and Hillsboro. 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 Hillsboro at 5:06 AM. All services require a transfer at Portland Curbside Bus Stop and take an average of 5h 47m. The schedules shown below are for the next available departures.


4h 45m • 2 changes

5h 18m • 2 changes

4h 56m • 2 changesArrives next day


9h 5m • 2 changes

4h 45m • 2 changes

5h 18m • 2 changes

4h 56m • 2 changesArrives next day


9h 5m • 2 changes

4h 45m • 2 changes

5h 18m • 2 changes

4h 56m • 2 changesArrives next day


8h 31m • 2 changesWant to know about travelling from SeaTac to Hillsboro? 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.
No, there is no direct bus from SeaTac to Hillsboro. However, there are services departing from SeaTac station and arriving at Hillsboro station via Portland Curbside Bus Stop. The journey, including transfers, takes approximately 5h 47m.
SeaTac to Hillsboro bus services, operated by Flixbus USA, depart from Seattle Tacoma Intl Airport station.
SeaTac to Hillsboro bus services, operated by Flixbus USA, arrive at Portland Curbside Bus Stop station.
The distance between SeaTac and Hillsboro is 220.7 km. The road distance is 298 km.
Flixbus USA operates a bus from Seattle Tacoma Intl Airport to Portland Curbside Bus Stop 3 times a day. Tickets cost $24–40 and the journey takes 3h 5m. Greyhound USA also services this route once daily.