The average bus between SeaTac and Mercer Island takes 12h 18m and the fastest bus takes 12h 10m. The bus runs, on average, 5 times per week 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 5 times a week between SeaTac and Mercer Island. The earliest departure is at 4:20 AM at night, and the last departure from SeaTac is at 4:30 AM which arrives into Mercer Island at 4:40 PM. All services require a transfer at 4th Ave S & S Jackson St and take an average of 12h 18m. 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 Mercer Island station via 4th Ave S & S Jackson St. The journey, including transfers, takes approximately 12h 18m.
SeaTac to Mercer Island bus services, operated by Sound Transit, depart from International Blvd & S 176th St - Bay 2 station.
SeaTac to Mercer Island bus services, operated by Sound Transit, arrive at 86th Ave SE & SE 42nd St station.
The distance between SeaTac and Mercer Island is 14.6 km. The road distance is 31 km.
You can take a bus from International Blvd & S 176th St - Bay 2 to 86th Ave SE & SE 42nd St via 4th Ave S & S Jackson St and 5th Ave S & S Weller St in around 1h 49m.