The average bus between SeaTac and Spanaway takes 1h 52m and the fastest bus takes 1h 27m. The bus service runs several times per day from SeaTac to Spanaway. 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 every 3 hours between SeaTac and Spanaway. The earliest departure is at 4:33 AM at night, and the last departure from SeaTac is at 5:38 PM which arrives into Spanaway at 7:47 PM. All services require a transfer at Federal Way Downtown and take an average of 1h 52m. The schedules shown below are for the next available departures.

1h 47m • 1 change

1h 37m • 1 change

1h 27m • 1 change

1h 37m • 1 change

1h 47m • 1 change

1h 37m • 1 change

1h 27m • 1 change

1h 37m • 1 change

1h 47m • 1 change

1h 37m • 1 change

1h 27m • 1 change

1h 37m • 1 change

1h 47m • 1 change

1h 37m • 1 change

1h 27m • 1 change

1h 37m • 1 change
Want to know about travelling from SeaTac to Spanaway? 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 Spanaway. However, there are services departing from SeaTac station and arriving at Spanaway station via Commerce St Station - Zone B station. The journey, including transfers, takes approximately 1h 52m.
SeaTac to Spanaway bus services, operated by Sound Transit, depart from Federal Way Downtown Station - Bay 6.
SeaTac to Spanaway bus services, operated by Sound Transit, arrive at Pacific Ave S & S 168th St station.
The distance between SeaTac and Spanaway is 39.8 km. The road distance is 51 km.
You can take a vehicle from SeaTac/Airport to Pacific Ave S & S 168th St via Federal Way Downtown, Federal Way Downtown Station - Bay 6, Commerce St Station - Zone B, and Pacific Ave & 11th St S in around 2h 23m.