The average bus between Seaside and SeaTac takes 8h 38m and the fastest bus takes 5h 57m. The bus service runs several times per day from Seaside 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 Seaside and SeaTac. The earliest departure is at 6:13 AM in the morning, and the last departure from Seaside is at 6:30 PM which arrives into SeaTac at 9:35 AM. All services require a transfer at Portland Amtrak Station and take an average of 8h 38m. The schedules shown below are for the next available departures.

5h 57m • 1 change
Arrives next day

15h 5m • 1 change

5h 57m • 1 change
Arrives next day

15h 5m • 1 change

5h 57m • 1 change
Arrives next day

15h 5m • 1 change

5h 57m • 1 change
Arrives next day

15h 5m • 1 change
Want to know about travelling from Seaside 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.
No, there is no direct bus from Seaside to SeaTac. However, there are services departing from Seaside station and arriving at SeaTac station via Portland Amtrak Station station. The journey, including transfers, takes approximately 8h 38m.
Seaside to SeaTac bus services, operated by Point, depart from Seaside Youth Hostel station.
Seaside to SeaTac bus services, operated by Point, arrive at Seattle Tacoma Intl Airport station.
The distance between Seaside and SeaTac is 203.9 km. The road distance is 410 km.
You can take a bus from Seaside Youth Hostel to Seattle Tacoma Intl Airport via Portland Amtrak Station and Portland Curbside Bus Stop in around 6h 45m.