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How to get fromSan Diego to Castle Rockby plane, bus (Amtrak, Greyhound), train, bus, taxi, or car

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There are 6 ways to get from San Diego to Castle Rock by plane, bus (Amtrak, Greyhound), train, bus, taxi, 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 to Denver

    best
    1. Fly from San Diego International Airport (SAN) to Denver (DEN)plane plane SAN - DEN
    4h 9m
    $167–264

  2. Fly to Colorado Springs Airport, bus

    cheapest
    1. Fly from San Diego International Airport (SAN) to Colorado Springs Airport (COS)plane plane SAN - COS
    2. Take the bus from Colorado Springs Downtown Station to Sky Ridge Stationbus bus
    6h 27m
    $129–441

  3. Bus

    1. Take the bus from San Diego to Santa Anabus bus
    2. Take the bus from Santa Ana Bus Stop to Las Vegas Bus Terminalbus bus
    3. Take the bus from Las Vegas Bus Terminal to Denver Union Stationbus bus
    28h 13m
    $224–399

  4. Train, bus, taxi

    1. Take the train from San Diego to Fullerton Amtrak Stationtrain train
    2. Take the train from Fullerton Amtrak Station to Las Vegas Amtrak Stationtrain train
    3. Take the bus from Las Vegas Transportation Center to Colorado Springsbus bus
    4. Take the taxi from Colorado Springs to Castle Rocktaxi taxi
    28h 24m
    $538–1,012

  5. Drive 1,098 mi

    1. Drive from San Diego to Castle Rockcar car 1,098 mi
    17h 21m
    $201–290

  6. Bus via Las Cruces

    1. Take the bus from San Diego - Santa Fe Depot to Cross Border Xpressbus bus 4.1
    2. Take the bus from Cross Border Express, San Diego to Las Cruces, NMbus bus Cbx
    3. Take the bus from Las Cruces, NM to Colorado Springs, CObus bus
    4. Take the bus from Colorado Springs Downtown Station to Sky Ridge Stationbus bus
    41h 43m
    $252–376

San Diego International Airport (SAN) to Denver (DEN) flights

Calendar128Weekly Planes
Duration2h 27mAverage Duration
Ticket$84Cheapest Price
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Questions & Answers

Map of how to get from San Diego to Castle Rock.ExpandLaunch map view
  • Distance: 897.9 mi
  • Duration: 4h 9m

What companies run services between San Diego, CA, USA and Castle Rock, CO, USA?

Frontier Airlines, United Airlines, and two other airlines fly from San Diego International Airport (SAN) to Denver (DEN) hourly. Alternatively, you can take a bus from San Diego to Castle Rock via Santa Ana, Santa Ana Bus Stop, Las Vegas Bus Terminal, Denver Union Station, Union Station Gate B4, and Sky Ridge Station in around 28h 13m.

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