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

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There are 5 ways to get from Portland Union Station to SeaTac by bus (Flixbus, Greyhound), train, bus, 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 Portland Curbside Bus Stop to Seattle Tacoma Intl Airportbus bus FlixBus 2120 / ...
    3h 15m
    $25–50

  2. Train, line 574 bus

    1. Take the train from Portland to Tacomatrain train Amtrak Cascades / ...
    2. Take the bus from D St E & 25th St E to SeaTac Stationbus bus 574
    3h 32m
    $48–94

  3. Drive 160.5 mi

    1. Drive from Portland Union Station to SeaTaccar car 160.5 mi
    2h 50m
    $30–43

  4. Fly to Seattle-Tacoma International Airport

    1. Fly from Portland International Airport (PDX) to Seattle-Tacoma International Airport (SEA)plane plane PDX - SEA
    2h 40m
    $133–333

  5. Fly to King County International Airport, tram

    1. Fly from Portland International Airport (PDX) to King County International Airport (BFI)plane plane PDX - BFI
    2. Take the tram from Rainier Beach to SeaTac/Airporttram tram
    3h 17m
    $859–1,709

Portland Union Station to SeaTac by bus

Calendar47Weekly Buses
Duration3h 15mAverage Duration
Ticket$25Cheapest Price
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Questions & Answers

Map of how to get from Portland Union Station to SeaTac.ExpandLaunch map view
  • Distance: 162.9 mi
  • Duration: 3h 15m

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

FlixBus-us operates a bus from Portland Curbside Bus Stop to Seattle Tacoma Intl Airport 3 times a day, and the journey takes 3h 15m. Two other operators also service this route. Alternatively, Alaska Airlines, Inc. and Delta fly from Portland International Airport (PDX) to Seattle-Tacoma International Airport (SEA) hourly.

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