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How to get fromSeaTac to Union Station, Portlandby bus (Flixbus, Greyhound), bus, train, car, plane, or tram

Find Transport to Union Station, Portland

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There are 5 ways to get from SeaTac to Union Station, Portland by bus (Flixbus, Greyhound), bus, train, car, plane, or tram

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

  1. Bus

    best
    1. Take the bus from Seattle Tacoma Intl Airport to Portland Curbside Bus Stopbus bus FlixBus 2115 / ...
    2h 45m
    $25–50

  2. Line 574 bus, train

    1. Take the bus from SeaTac Station to 26th St E & D St Ebus bus 574
    2. Take the train from Tacoma to Portlandtrain train Amtrak Cascades / ...
    4h 24m
    $48–98

  3. Drive 160.2 mi

    1. Drive from SeaTac to Union Station, Portlandcar car 160.2 mi
    2h 50m
    $30–43

  4. Fly from Seattle-Tacoma International Airport

    1. Fly from Seattle-Tacoma International Airport (SEA) to Portland International Airport (PDX)plane plane SEA - PDX
    1h 48m
    $140–325

  5. Tram to King County International Airport, fly

    1. Take the tram from SeaTac/Airport to Othellotram tram
    2. Fly from King County International Airport (BFI) to Portland International Airport (PDX)plane plane BFI - PDX
    3h 11m
    $509–1,009

SeaTac to Union Station, Portland by bus

Calendar47Weekly Buses
Duration2h 45mAverage Duration
Ticket$25Cheapest Price
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Questions & Answers

Map of how to get from SeaTac to Union Station, Portland.ExpandLaunch map view
  • Distance: 161.8 mi
  • Duration: 2h 45m

What companies run services between SeaTac, WA, USA and Union Station, Portland, OR, USA?

FlixBus-us operates a bus from Seattle Tacoma Intl Airport to Portland Curbside Bus Stop 3 times a day, and the journey takes 2h 45m. Two other operators also service this route. Alternatively, Alaska Airlines, Inc. and Delta fly from Seattle-Tacoma International Airport (SEA) to Portland International Airport (PDX) hourly.

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