The average bus between SeaTac/Airport Station and DuPont takes 2h 2m and the fastest bus takes 1h 45m. The bus service runs several times per day from SeaTac/Airport Station to DuPont. 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 every 4 hours between SeaTac/Airport Station and DuPont. The earliest departure is at 5:33 AM in the morning, and the last departure from SeaTac/Airport Station is at 6:33 PM which arrives into DuPont at 8:27 PM. All services require a transfer, and take on average 2h 2m. The schedules shown below are for the next available departures.

1h 45m • 1 change

2h 22m • 1 change

2h 2m • 1 change

2h 12m • 1 change

1h 45m • 1 change

2h 22m • 1 change

2h 2m • 1 change

2h 12m • 1 change

1h 45m • 1 change

2h 22m • 1 change

2h 2m • 1 change

2h 12m • 1 change

1h 45m • 1 change

2h 22m • 1 change

2h 2m • 1 change

2h 12m • 1 change

1h 45m • 1 change

2h 22m • 1 change

2h 2m • 1 change

2h 12m • 1 change
Want to know about travelling from SeaTac/Airport Station to DuPont? 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/Airport Station to DuPont. However, there are services departing from SeaTac/Airport Station station and arriving at DuPont station via SR 512 P&R - Zone H. The journey, including transfers, takes approximately 2h 2m.
SeaTac/Airport Station to DuPont bus services, operated by Sound Transit, depart from SeaTac Station.
SeaTac/Airport Station to DuPont bus services, operated by Sound Transit, arrive at Dupont Station - Bay 6.
The distance between SeaTac/Airport Station and DuPont is 46.3 km. The road distance is 65 km.
You can take a bus from SeaTac Station to Dupont Station - Bay 6 via SR 512 P&R - Zone I in around 2h 23m.