The average bus between SeaTac and Northgate Station takes 1h 41m and the fastest bus takes 1h 9m. The bus service runs several times per day from SeaTac to Northgate Station. 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 4 times a day between SeaTac and Northgate Station. The earliest departure is at 12:26 AM at night, and the last departure from SeaTac is at 11:56 PM which arrives into Northgate Station at 1:06 AM. All services require a transfer, and take on average 1h 41m. The schedules shown below are for the next available departures.

1h 31m • 1 change

1h 41m • 1 change

1h 45m • 1 change

1h 28m • 1 change
Want to know about travelling from SeaTac to Northgate Station? 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 Northgate Station. However, there are services departing from SeaTac station and arriving at Northgate Station station via 3rd Ave & Union St. The journey, including transfers, takes approximately 1h 41m.
SeaTac to Northgate Station bus services, operated by Sound Transit, depart from SeaTac Station.
SeaTac to Northgate Station bus services, operated by Sound Transit, arrive at Northgate Station - Bay 1.
The distance between SeaTac and Northgate Station is 28.3 km. The road distance is 41 km.
You can take a bus from SeaTac Station to Northgate Station - Bay 1 via 3rd Ave & Union St in around 1h 43m.