The average bus between DuPont and SeaTac takes 1h 56m and the fastest bus takes 1h 38m. 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 6:50 PM. All services require a transfer at Lakewood Station - Bay 3 and take an average of 1h 56m. The schedules shown below are for the next available departures.


1h 38m • 2 changes


2h 4m • 2 changes


1h 58m • 2 changes


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1h 58m • 2 changes


2h • 2 changes


1h 38m • 2 changes


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1h 58m • 2 changes


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1h 38m • 2 changes


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2h • 2 changes
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 Federal Way Downtown Station - Bay 4 station. The journey, including transfers, takes approximately 1h 56m.
DuPont to SeaTac bus services, operated by Sound Transit, depart from Lakewood Station - Bay 3.
DuPont to SeaTac bus services, operated by Sound Transit, arrive at International Blvd & S 170th St station.
The distance between DuPont and SeaTac is 46.8 km. The road distance is 61 km.
You can take a bus from Dupont Station - Bay 6 to International Blvd & S 170th St via Lakewood Station - Bay 3, Federal Way Downtown Station - Bay 4, and Federal Way Downtown Station - Bay 8 in around 1h 49m.