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How to get fromCastle Rock to Seattleby bus, plane, bus (Greyhound, Flixbus), train, car or train (Amtrak)

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There are 7 ways to get from Castle Rock to Seattle by bus, plane, bus (Greyhound, Flixbus), train, car, or train (Amtrak)

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 to Denver, fly to Seattle-Tacoma International Airport

    best
    1. Take the bus from Arapahoe at Village Center Station Gate A to Denver Airport Station Gate 7bus
    2. Fly from Denver (DEN) to Seattle-Tacoma International Airport (SEA)planeDEN - SEA
    6h 48m
    $145–552
  2. Bus

    1. Take the bus from Denver Union Station to Sparks Transit Centerbus
    2. Take the bus from Sparks Transit Center to Sacramento Bus Stationbus
    3. Take the bus from Sacramento Bus Station to Seattle Bus Stationbus
    42h 38m
    $251–529
  3. Train, bus

    1. Take the train from Denver to SacramentotrainCalifornia Zephyr
    2. Take the bus from Sacramento Bus Station to SeattlebusFlixBus N2111
    2d 4h
    $293–1,585
  4. Drive 1,313.3 mi

    1. Drive from Castle Rock to Seattlecar1,313.3 mi
    21h 8m
    $240–347
  5. Bus to Denver, fly to Paine Field County Airport

    1. Take the bus from Arapahoe at Village Center Station Gate A to Denver Airport Station Gate 7bus
    2. Fly from Denver (DEN) to Paine Field County Airport (PAE)planeDEN - PAE
    8h 5m
    $147–547
  6. Bus to Colorado Springs Airport, fly to Seattle-Tacoma International Airport

    1. Take the bus from Sky Ridge Station to Colorado Springs Downtown Stationbus
    2. Fly from Colorado Springs Airport (COS) to Seattle-Tacoma International Airport (SEA)planeCOS - SEA
    9h 52m
    $182–714
  7. Train (Amtrak)

    1. Take the train from Denver to SacramentotrainCalifornia Zephyr
    2. Take the train from Sacramento to SeattletrainCoast Starlight
    2d 6h
    $312–1,609

Denver (DEN) to Seattle-Tacoma International Airport (SEA) flights

Calendar113Weekly Planes
Duration3h 6mAverage Duration
Ticket$103Cheapest Price
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Questions & Answers

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

You can take a vehicle from Castle Rock to Seattle Bus Station via Sky Ridge Station, Denver Union Station, Sparks Transit Center, and Sacramento Bus Station in around 42h 38m. Alternatively, you can take a vehicle from Castle Rock to Seattle via Ridgegate Parkway Station, Union Station Light Rail Plaza, Denver, and Sacramento in around 2d 6h.

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