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How to get fromSeattle to Castle Rockby bus, plane, tram, taxi, car, or train

Find Transport to Castle Rock

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There are 5 ways to get from Seattle to Castle Rock by bus, plane, tram, taxi, car, or train

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 Seattle-Tacoma International Airport, fly to Denver, tram

    best
    1. Take the bus from Columbia St & Alaskan Way to SW Barton St & 25th Ave SW - Bay 3bus bus
    2. Fly from Seattle-Tacoma International Airport (SEA) to Denver (DEN)plane plane SEA - DEN
    3. Take the tram from Nine Mile Station to Ridgegate Parkway Stationtram tram
    6h 43m
    $147–372

  2. Fly Seattle-Tacoma International Airport to Colorado Springs Airport, bus

    cheapest
    1. Fly from Seattle-Tacoma International Airport (SEA) to Colorado Springs Airport (COS)plane plane SEA - COS
    2. Take the bus from Colorado Springs Downtown Station to Sky Ridge Stationbus bus
    11h 6m
    $138–462

  3. Bus, taxi

    1. Take the bus from Seattle Bus Station to Denver Union Stationbus bus Greyhound US0550
    2. Take the taxi from Denver Union Station to Castle Rocktaxi taxi
    28h 54m
    $291–487

  4. Drive 1,311.3 mi

    1. Drive from Seattle to Castle Rockcar car 1,311.3 mi
    21h 19m
    $240–346

  5. Train to Portland International Airport, fly to Denver

    1. Take the train from Seattle to Portlandtrain train
    2. Fly from Portland International Airport (PDX) to Denver (DEN)plane plane PDX - DEN
    9h 36m
    $256–503

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

Calendar140Weekly Planes
Duration2h 47mAverage Duration
Ticket$84Cheapest Price
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Questions & Answers

Map of how to get from Seattle to Castle Rock.ExpandLaunch map view
  • Distance: 1,084.2 mi
  • Duration: 6h 43m

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

There is no direct connection from Seattle to Castle Rock. However, you can take the bus to SW Barton St & 25th Ave SW - Bay 3, walk to Westwood Village - Bay 4, take the line 560 bus to SeaTac Airport Terminal - Bay 2, walk to Seattle-Tacoma International Airport (SEA) airport, fly to Denver (DEN), walk to Denver Airport Station Gate 9, take the bus to Nine Mile Station Gate H, walk to Nine Mile Station, take the vehicle to Ridgegate Parkway Station, then take the taxi to Castle Rock. Alternatively, you can take the bus to Denver Union Station then take the taxi to Castle Rock.

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