The average bus between SeaTac Airport, WA and Chehalis takes 3h 58m and the fastest bus takes 3h 6m. The bus service runs several times per day from SeaTac Airport, WA to Chehalis. 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 4 hours between SeaTac Airport, WA and Chehalis. The earliest departure is at 5:08 AM in the morning, and the last departure from SeaTac Airport, WA is at 7:40 PM which arrives into Chehalis at 9:14 AM. All services require a transfer at SeaTac Airport Terminal - Bay 2 and take an average of 3h 58m. The schedules shown below are for the next available departures.



3h 6m • 3 changes



3h 35m • 3 changes



3h 35m • 3 changes



3h 35m • 3 changes



3h 6m • 3 changes



3h 35m • 3 changes



3h 35m • 3 changes



3h 35m • 3 changes



3h 6m • 3 changes



3h 35m • 3 changes



3h 35m • 3 changes



3h 35m • 3 changes



3h 6m • 3 changes



3h 35m • 3 changes



3h 35m • 3 changes



3h 35m • 3 changes



3h 6m • 3 changes



3h 35m • 3 changes



3h 35m • 3 changes



3h 35m • 3 changes
Want to know about travelling from SeaTac Airport, WA to Chehalis? 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 Airport, WA to Chehalis. However, there are services departing from SeaTac Airport, WA station and arriving at Chehalis station via SR 512 P&R - Zone H. The journey, including transfers, takes approximately 3h 58m.
SeaTac Airport, WA to Chehalis bus services, operated by Sound Transit, depart from SeaTac Airport Terminal - Bay 2 station.
SeaTac Airport, WA to Chehalis bus services, operated by Sound Transit, arrive at Mellen Street e-Transit Station - 1401 Mellen St..
The distance between SeaTac Airport, WA and Chehalis is 100.5 km. The road distance is 139 km.
You can take a vehicle from SeaTac Airport, WA to United State Postal Service - NW Cascade Ave & Center St. via SeaTac Airport Terminal - Bay 2, SR512 Park & Ride - Zone G, Olympia Transit Center - Bay M, Olympia Transit Center - 280 Washington St NE, and Mellen Street e-Transit Station - 1401 Mellen St. in around 4h 38m.