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How to get fromSeattle Airport (SEA) to Boulderby plane, bus, bus (Greyhound), or car

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There are 4 ways to get from Seattle Airport (SEA) to Boulder by plane, bus, 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 to Denver, bus

    best
    1. Fly from Seattle-Tacoma International Airport (SEA) to Denver (DEN)plane plane SEA - DEN
    2. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus bus
    4h 12m
    $112–327

  2. Bus

    1. Take the bus from Seattle Bus Station to Denver Union Stationbus bus Greyhound US0550
    2. Take the bus from Union Station Gate B18 to Broadway & Regent Drbus bus Ff2 / ...
    30h 56m
    $219–429

  3. Drive 1,265.6 mi

    1. Drive from Seattle Airport (SEA) to Bouldercar car 1,265.6 mi
    20h 59m
    $231–334

  4. Fly to Colorado Springs Airport, bus

    1. Fly from Seattle-Tacoma International Airport (SEA) to Colorado Springs Airport (COS)plane plane SEA - COS
    2. Take the bus from Colorado Springs Airport to Denver International Airportbus bus
    3. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus bus
    9h 16m
    $131–457

Seattle Airport (SEA) to Boulder by bus and tram

Calendar7Weekly Services
Duration30h 56mAverage Duration
Ticket$219Cheapest Price
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Questions & Answers

Map of how to get from Seattle Airport (SEA) to Boulder.ExpandLaunch map view
  • Distance: 1,066.4 mi
  • Duration: 4h 12m

What companies run services between Seattle Airport (SEA), USA and Boulder, CO, USA?

You can take a bus from SeaTac Airport Terminal - Bay 2 to Broadway & Regent Dr via SeaTac Station, SeaTac/Airport, Stadium, Seattle Bus Station, Denver Union Station, and Union Station Gate B18 in around 30h 56m.

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