Rome2Rio

How to get fromBoulder to Seattleby bus, plane, bus (Greyhound, Flixbus), train or car

Find Transport to Seattle

See all options

There are 5 ways to get from Boulder to Seattle by bus, plane, 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. Bus, fly

    best
    1. Take the bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6bus
    2. Fly from Denver (DEN) to Seattle-Tacoma International Airport (SEA)planeDEN - SEA
    6h 6m
    $109–499

  2. Bus

    1. Take the bus from Downtown Boulder Station Gate 1 to Union StationbusFf1 / ...
    2. Take the bus from Denver Union Station to Sparks Transit Centerbus
    3. Take the bus from Sparks Transit Center to Sacramento Bus Stationbus
    4. Take the bus from Sacramento Bus Station to Seattle Bus Stationbus
    42h 21m
    $174–403

  3. Bus, train via 15th Ave NE & NE Campus Pkwy

    1. Take the bus from Downtown Boulder Station Gate 1 to Union StationbusFf1 / ...
    2. Take the train from Denver to Sacramentotrain
    3. Take the bus from Sacramento Bus Station to Seattlebus
    2d 4h
    $269–1,049

  4. Drive 1,264.8 mi

    1. Drive from Boulder to Seattlecar1,264.8 mi
    20h 36m
    $231–334

  5. Bus, train

    1. Take the bus from Broadway & 20th St to Union StationbusFf1 / ...
    2. Take the train from Denver to Sacramentotrain
    3. Take the train from Sacramento to Seattletrain
    2d 6h
    $293–1,113

Boulder to Seattle by bus

Calendar7Weekly Buses
Duration42h 21mAverage Duration
Ticket$174Cheapest Price
See schedules

Questions & Answers

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

You can take a bus from Downtown Boulder Station Gate 1 to Seattle Bus Station via Denver Union Station, Sparks Transit Center, and Sacramento Bus Station in around 42h 21m.

Transport is disrupted due to the Russia-Ukraine war. Read more

Airlines
Train operators
Bus operators

Want to know more about travelling around United States

Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.

Related travel guides

Need to know: Greyhound

Read the travel guideNeed to know: Greyhound

More Questions & Answers

Where to next?

Trips from Boulder

Trips to Seattle

Popular routes