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How to get fromSeattle to Boulderby plane, bus, bus (Greyhound, Flixbus), train or car

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There are 6 ways to get from Seattle to Boulder by plane, bus, bus (Greyhound, Flixbus), train, 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 from Seattle-Tacoma International Airport, bus

    best
    1. Fly from Seattle-Tacoma International Airport (SEA) to Denver (DEN)planeSEA - DEN
    2. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
    5h 40m
    $116–556

  2. Bus

    1. Take the bus from Seattle Bus Station to Sacramento Bus Stationbus
    2. Take the bus from Sacramento Bus Station to Sparks Transit Centerbus
    3. Take the bus from Sparks Transit Center to Denver Union Stationbus
    4. Take the bus from Union Station Gate B17 to Broadway & Euclid AvebusFf1 / ...
    42h 24m
    $184–362

  3. Bus, train

    1. Take the bus from Seattle to Sacramento Bus Stationbus
    2. Take the train from Sacramento to Denvertrain
    3. Take the bus from Union Station Gate B17 to Downtown Boulder StationbusFf1 / ...
    2d 4h
    $244–589

  4. Drive 1,264.9 mi

    1. Drive from Seattle to Bouldercar1,264.9 mi
    20h 36m
    $231–334

  5. Fly from Paine Field County Airport, bus

    1. Fly from Paine Field County Airport (PAE) to Denver (DEN)planePAE - DEN
    2. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
    6h 10m
    $130–629

  6. Train, bus

    1. Take the train from Seattle to Sacramentotrain
    2. Take the train from Sacramento to Denvertrain
    3. Take the bus from Union Station Gate B17 to Broadway & Regent DrbusFf1 / ...
    2d 5h
    $273–644

Seattle to Boulder by bus

Calendar7Weekly Buses
Duration42h 24mAverage Duration
Ticket$184Cheapest Price
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Questions & Answers

What companies run services between Seattle, WA, USA and Boulder, CO, USA?

You can take a bus from Seattle Bus Station to Broadway & Euclid Ave via Sacramento Bus Station, Sparks Transit Center, Denver Union Station, and Union Station Gate B17 in around 42h 24m.

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