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How to get fromWashington Dulles Airport (IAD) to SeaTacby plane, subway, train, bus (Greyhound), or car

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There are 9 ways to get from Washington Dulles Airport (IAD) to SeaTac by plane, subway, train, bus (Greyhound), or car

Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.

  1. Fly Washington Dulles International Airport to Seattle-Tacoma International Airport

    best
    1. Fly from Washington Dulles International Airport (IAD) to Seattle-Tacoma International Airport (SEA)plane plane IAD - SEA
    5h 36m
    $200–600

  2. Fly Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport

    1. Fly from Ronald Reagan Washington National Airport (DCA) to Seattle-Tacoma International Airport (SEA)plane plane DCA - SEA
    7h 49m
    $274–706

  3. Subway, train

    1. Take the subway from Washington Dulles International Airport, Silver Line Center Platform to Farragut West, Blue/Orange/Silver Line Track 1 Platformsubway subway S
    2. Take the train from Rockville Amtrak to Chicago Union Stationtrain train
    3. Take the train from Chicago Union Station to Seattletrain train
    2d 19h
    $947–2,009

  4. Bus

    1. Take the bus from Dulles - Kiss & Fly to Washington Union Stationbus bus
    2. Take the bus from Washington Union Station to Chicago Bus Stationbus bus
    3. Take the bus from Chicago Bus Station to Denver Union Stationbus bus
    4. Take the bus from Denver Union Station to Seattle Bus Stationbus bus
    3d
    $464–936

  5. Subway to Baltimore-Washington International Airport, fly to Seattle-Tacoma International Airport

    1. Take the subway from Washington Dulles International Airport, Silver Line Center Platform to New Carrollton, Orange Line Center Platformsubway subway
    2. Fly from Baltimore-Washington International Airport (BWI) to Seattle-Tacoma International Airport (SEA)plane plane BWI - SEA
    8h 40m
    $205–811

  6. Fly Washington Dulles International Airport to King County International Airport

    1. Fly from Washington Dulles International Airport (IAD) to King County International Airport (BFI)plane plane IAD - BFI
    8h 27m
    $343–1,288

  7. Fly Washington Dulles International Airport to Portland International Airport, train

    1. Fly from Washington Dulles International Airport (IAD) to Portland International Airport (PDX)plane plane IAD - PDX
    2. Take the train from Portland to Tacomatrain train
    11h 2m
    $221–775

  8. Fly Washington Dulles International Airport to Vancouver Harbour, fly to Seattle - Lake Union

    1. Fly from Washington Dulles International Airport (IAD) to Vancouver International Airport (YVR)plane plane IAD - YVR
    2. Fly from Vancouver Harbour to Seattle - Lake Unionplane plane
    9h 33m
    $597–1,167

  9. Drive 2,689.5 mi

    1. Drive from Washington Dulles Airport (IAD) to SeaTaccar car 2,689.5 mi
    44h 23m
    $491–709

Washington Dulles Airport (IAD) to SeaTac by subway, train, and tram

Calendar7Weekly Services
Duration2d 19hAverage Duration
Ticket$947Cheapest Price
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Questions & Answers

Map of how to get from Washington Dulles Airport (IAD) to SeaTac.ExpandLaunch map view
  • Distance: 2,299.8 mi
  • Duration: 5h 36m

What companies run services between Washington Dulles Airport (IAD), USA and SeaTac, WA, USA?

Alaska Airlines, Inc., Delta, and two other airlines fly from Washington Dulles International Airport (IAD) to Seattle-Tacoma International Airport (SEA) every 2 hours. Alternatively, you can take a bus from Dulles - Kiss & Fly to International Blvd & S 176th St - Bay 1 via Washington Union Station, Chicago Bus Station, Denver Union Station, Seattle Bus Station, and SODO Busway & S Royal Brougham Way in around 3d.

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