The average bus between SeaTac and Tri-Cities takes 9h 9m and the fastest bus takes 8h 43m. There is at least one bus per day from SeaTac to Tri-Cities. 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 Tri-Cities. The earliest departure is at 4:26 AM at night, and the last departure from SeaTac is at 5:26 AM which arrives into Tri-Cities at 2:09 PM. All services require a transfer at Bus Wy & Royal Brougham St and take an average of 9h 9m. The schedules shown below are for the next available departures.
Want to know about travelling from SeaTac to Tri-Cities? 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 Tri-Cities. However, there are services departing from Seattle Bus Station and arriving at Pasco Bus Stop station via Pasco Bus Stop station. The journey, including transfers, takes approximately 9h 9m.
SeaTac to Tri-Cities bus services, operated by Greyhound USA, depart from Seattle Bus Station.
SeaTac to Tri-Cities bus services, operated by Greyhound USA, arrive at Pasco Bus Stop station.
The distance between SeaTac and Tri-Cities is 270.8 km. The road distance is 340 km.
Greyhound USA operates a bus from Seattle Bus Station to Pasco Bus Stop once daily. Tickets cost $40–65 and the journey takes 4h 55m.