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How to get fromBaltimore Airport (BWI) to SeaTacby plane, train, train (Amtrak), bus (Greyhound), subway, or car

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There are 9 ways to get from Baltimore Airport (BWI) to SeaTac by plane, train, train (Amtrak), bus (Greyhound), subway, 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 Baltimore-Washington International Airport to Seattle-Tacoma International Airport

    best
    1. Fly from Baltimore-Washington International Airport (BWI) to Seattle-Tacoma International Airport (SEA)plane plane BWI - SEA
    5h 40m
    $200–800

  2. Train to Ronald Reagan Washington National Airport, fly to Seattle-Tacoma International Airport

    1. Take the train from BWI Thurgood Marshall to Washington Union Stationtrain train
    2. Fly from Ronald Reagan Washington National Airport (DCA) to Seattle-Tacoma International Airport (SEA)plane plane DCA - SEA
    8h 19m
    $276–1,259

  3. Train via Washington

    1. Take the train from BWI Thurgood Marshall to Washington Union Stationtrain train
    2. Take the train from Rockville Amtrak to Chicago Union Stationtrain train
    3. Take the train from Chicago Union Station to Seattletrain train
    2d 20h
    $947–2,558

  4. Bus

    1. Take the bus from Baltimore Airport to Frederick Bus Stationbus bus
    2. Take the bus from Frederick Bus 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
    2d 22h
    $533–990

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

    1. Take the subway from New Carrollton, Orange Line Center Platform to Washington Dulles International Airport, Silver Line Center Platformsubway subway
    2. Fly from Washington Dulles International Airport (IAD) to Seattle-Tacoma International Airport (SEA)plane plane IAD - SEA
    8h 52m
    $204–613

  6. Fly Baltimore-Washington International Airport to King County International Airport

    1. Fly from Baltimore-Washington International Airport (BWI) to King County International Airport (BFI)plane plane BWI - BFI
    8h 5m
    $402–1,512

  7. Fly Baltimore-Washington International Airport to Portland International Airport, train

    1. Fly from Baltimore-Washington International Airport (BWI) to Portland International Airport (PDX)plane plane BWI - PDX
    2. Take the train from Portland to Tacomatrain train
    10h 50m
    $257–893

  8. Train (Amtrak)

    1. Take the train from Baltimore Penn Station to Chicago Union Stationtrain train
    2. Take the train from Chicago Union Station to Seattletrain train
    3d 3h
    $1,015–2,155

  9. Drive 2,708.2 mi

    1. Drive from Baltimore Airport (BWI) to SeaTaccar car 2,708.2 mi
    44h 23m
    $495–714

Baltimore Airport (BWI) to SeaTac by bus, train, subway, and tram

Calendar7Weekly Services
Duration2d 20hAverage Duration
Ticket$947Cheapest Price
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Questions & Answers

Map of how to get from Baltimore Airport (BWI) to SeaTac.ExpandLaunch map view
  • Distance: 2,328.4 mi
  • Duration: 5h 40m

What companies run services between Baltimore Airport (BWI), USA and SeaTac, WA, USA?

Southwest Airlines, Alaska Airlines, Inc., and two other airlines fly from Baltimore-Washington International Airport (BWI) to Seattle-Tacoma International Airport (SEA) every 3 hours. Alternatively, you can take a bus from Off-Site Parking Pick-Up to SeaTac/Airport via BWI Amtrak Station, BWI Thurgood Marshall, Washington Union Station, Union Station, Red Line Center Platform, Rockville, Red Line Center Platform, Rockville Amtrak, Chicago Union Station, Seattle, and Int'l Dist/Chinatown in around 2d 20h.

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