The average bus between DuPont and SeaTac takes 1h 44m and the fastest bus takes 1h 36m. The bus service runs several times per day from DuPont to SeaTac. 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 DuPont and SeaTac. The earliest departure is at 4:05 AM at night, and the last departure from DuPont is at 4:41 PM which arrives into SeaTac at 6:29 PM. All services require a transfer, and take on average 1h 44m. The schedules shown below are for the next available departures.

1h 36m • 1 change

1h 46m • 1 change

1h 46m • 1 change

1h 46m • 1 change

1h 36m • 1 change

1h 46m • 1 change

1h 46m • 1 change

1h 46m • 1 change

1h 36m • 1 change

1h 46m • 1 change

1h 46m • 1 change

1h 46m • 1 change

1h 36m • 1 change

1h 46m • 1 change

1h 46m • 1 change

1h 46m • 1 change

1h 36m • 1 change

1h 46m • 1 change

1h 46m • 1 change

1h 46m • 1 change
Want to know about travelling from DuPont to SeaTac? 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 DuPont to SeaTac. However, there are services departing from DuPont station and arriving at SeaTac station via SR 512 P&R - Zone J. The journey, including transfers, takes approximately 1h 44m.
DuPont to SeaTac bus services, operated by Sound Transit, depart from Dupont Station - Bay 6.
DuPont to SeaTac bus services, operated by Sound Transit, arrive at SeaTac Station.
The distance between DuPont and SeaTac is 46.8 km. The road distance is 62 km.
You can take a bus from Dupont Station - Bay 6 to SeaTac Station via SR 512 P&R - Zone F in around 1h 40m.