The average bus between Washington Dulles Airport (IAD) and SeaTac takes 3d 16h and the fastest bus takes 3d 14h. The bus runs, on average, 2 times per week from Washington Dulles Airport (IAD) 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 twice a week between Washington Dulles Airport (IAD) and SeaTac. The earliest departure is at 1:15 PM in the afternoon, and the last departure from Washington Dulles Airport (IAD) is at 1:15 PM which arrives into SeaTac at 12:23 AM. All services require a transfer at Washington Union Station and take an average of 3d 16h. The schedules shown below are for the next available departures.
Want to know about travelling from Washington Dulles Airport (IAD) 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 Washington Dulles Airport (IAD) to SeaTac. However, there are services departing from Washington Dulles Airport (IAD) station and arriving at SeaTac station via Washington Union Station station. The journey, including transfers, takes approximately 3d 16h.
Washington Dulles Airport (IAD) to SeaTac bus services, operated by Megabus, depart from Dulles - Kiss & Fly station.
Washington Dulles Airport (IAD) to SeaTac bus services, operated by Megabus, arrive at Seattle Bus Station.
The distance between Washington Dulles Airport (IAD) and SeaTac is 3,700.5 km. The road distance is 5,069 km.
You can take a bus from Dulles - Kiss & Fly to SeaTac Station via Washington Union Station, Chicago Bus Station, Denver Union Station, Seattle Bus Station, and Bus Wy & Royal Brougham St in around 3d.
