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How to get fromCastle Rock to Great Fallsby plane, bus, car, or bus (Greyhound)

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There are 5 ways to get from Castle Rock to Great Falls by plane, bus, car, or bus (Greyhound)

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 Denver

    best
    1. Fly from Denver (DEN) to Great Falls International Airport (GTF)plane plane DEN - GTF
    4h 32m
    $131–523

  2. Bus

    1. Take the bus from Denver to Buffalobus bus
    2. Take the bus from Buffalo to Billingsbus bus
    3. Take the bus from Billings to Buttebus bus
    4. Take the bus from Butte to Great Fallsbus bus
    22h 19m
    $263–400

  3. Drive 799 mi

    1. Drive from Castle Rock to Great Fallscar car 799 mi
    12h 50m
    $146–211

  4. Bus to Colorado Springs Airport, fly

    1. Take the bus from Sky Ridge Station to Colorado Springs Downtown Stationbus bus
    2. Fly from Colorado Springs Airport (COS) to Great Falls International Airport (GTF)plane plane COS - GTF
    8h 1m
    $143–545

  5. Bus via Shoshoni, WY

    1. Take the bus from Denver Union Station to Cheyennebus bus
    2. Take the bus from Cheyenne, WY to Shoshoni, WYbus bus
    3. Take the bus from Shoshoni, WY to Billings, MTbus bus
    4. Take the bus from Billings to Buttebus bus
    5. Take the bus from Butte to Great Fallsbus bus
    24h 38m
    $323–485

Denver (DEN) to Great Falls International Airport (GTF) flights

Calendar28Weekly Planes
Duration3h 15mAverage Duration
Ticket$89Cheapest Price
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Questions & Answers

Map of how to get from Castle Rock to Great Falls.ExpandLaunch map view
  • Distance: 669.5 mi
  • Duration: 4h 32m

What companies run services between Castle Rock, CO, USA and Great Falls, MT, USA?

United Airlines and Delta fly from Denver (DEN) to Great Falls International Airport (GTF) 4 times a day. Alternatively, you can take a vehicle from Castle Rock to Great Falls via Ridgegate Parkway Station, Union Station Light Rail Plaza, Denver, Buffalo, Billings, and Butte in around 22h 19m.

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