The average bus between SeaTac and Walla Walla takes 10h 40m and the fastest bus takes 9h 49m. There is at least one bus per day from SeaTac to Walla Walla. 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 once daily between SeaTac and Walla Walla. The earliest departure is at 4:26 AM at night, and the last departure from SeaTac is at 5:26 AM which arrives into Walla Walla at 3:15 PM. All services require a transfer at Bus Wy & Royal Brougham St and take an average of 10h 40m. The schedules shown below are for the next available departures.
Want to know about travelling from SeaTac to Walla Walla? 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 Walla Walla. However, there are services departing from SeaTac station and arriving at Walla Walla station via Pasco Bus Stop. The journey, including transfers, takes approximately 10h 40m.
SeaTac to Walla Walla bus services, operated by Sound Transit, depart from Seattle Bus Station.
SeaTac to Walla Walla bus services, operated by Sound Transit, arrive at Valley Transit Center station.
The distance between SeaTac and Walla Walla is 337.9 km. The road distance is 464 km.
You can take a bus from SeaTac Station to Valley Transit Center via Bus Wy & Royal Brougham St, Seattle Bus Station, and Pasco Intermodal, WA in around 8h 24m.