The average bus between SeaTac and Mercer Island takes 8h 4m and the fastest bus takes 6h 49m. There is at least one bus per day from SeaTac to Mercer Island. 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 Mercer Island. The earliest departure is at 10:31 PM at night, and the last departure from SeaTac is at 11:39 PM which arrives into Mercer Island at 6:29 AM. All services require a transfer at Bellevue TC - Bay 7 and take an average of 8h 4m. The schedules shown below are for the next available departures.
Want to know about travelling from SeaTac to Mercer Island? 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 Mercer Island. However, there are services departing from SeaTac Station and arriving at N Mercer Way & 80th Ave SE - Bay 1 station via Bellevue TC - Bay 7 station. The journey, including transfers, takes approximately 8h 4m.
SeaTac to Mercer Island bus services, operated by Sound Transit, depart from SeaTac Station.
SeaTac to Mercer Island bus services, operated by Sound Transit, arrive at N Mercer Way & 80th Ave SE - Bay 1 station.
The distance between SeaTac and Mercer Island is 14.6 km. The road distance is 27 km.
You can take a bus from SeaTac Station to 86th Ave SE & SE 42nd St via Bellevue TC - Bay 7, Bellevue Transit Center - Bay 10, N Mercer Way & 80th Ave SE - Bay 1, and N Mercer Way & 80th Ave SE - Bay 2 in around 2h 45m.
