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How to get fromBoulder to San Diegoby bus, plane, shuttle, train, or car

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There are 6 ways to get from Boulder to San Diego by bus, plane, shuttle, 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 to Denver, fly

    best
    1. Take the bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6bus bus
    2. Fly from Denver (DEN) to San Diego International Airport (SAN)plane plane DEN - SAN
    4h 49m
    $126–216

  2. Bus, shuttle

    1. Take the bus from Downtown Boulder Station Gate 1 to Union Stationbus bus Ff1 / ...
    2. Take the bus from Denver Union Station to Las Vegas BusTerminalbus bus
    3. Take a shuttle bus from 1100 S Main St. - Las Vegas to Escondido, CA - 796 W Valley PKWYshuttle bus
    4. Take the bus from Escondido Transit Center to Broadway & 4th Avbus bus 235
    26h 29m
    $219–327

  3. Bus, train

    1. Take the bus from Broadway & 20th St to Union Stationbus bus Ff2 / ...
    2. Take the bus from Denver to Las Vegas Transportation Centerbus bus
    3. Take the train from Las Vegas Amtrak Station to Fullerton Amtrak Stationtrain train
    4. Take the train from Fullerton Amtrak Station to San Diegotrain train
    31h 56m
    $426–821

  4. Drive 1,084.6 mi

    1. Drive from Boulder to San Diegocar car 1,084.6 mi
    17h 11m
    $198–286

  5. Bus, bus to Colorado Springs Airport, fly

    1. Take the bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6bus bus
    2. Take the bus from Denver International Airport to Colorado Springs Airportbus bus
    3. Fly from Colorado Springs Airport (COS) to San Diego International Airport (SAN)plane plane COS - SAN
    7h 38m
    $136–516

  6. Bus

    1. Take the bus from Downtown Boulder Station Gate 1 to Union Stationbus bus Ff1 / ...
    2. Take the bus from Denver Union Station to Las Vegas BusTerminalbus bus
    3. Take the bus from Las Vegas to Escondidobus bus
    4. Take the bus from Escondido Transit Center to Broadway & Union Stbus bus 235 / ...
    26h 31m
    $244–362

Boulder to San Diego by bus and shuttle

Calendar7Weekly Services
Duration26h 29mAverage Duration
Ticket$219Cheapest Price
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Questions & Answers

Map of how to get from Boulder to San Diego.ExpandLaunch map view
  • Distance: 896.2 mi
  • Duration: 4h 49m

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

You can take a bus from Downtown Boulder Station Gate 1 to Broadway & Union St via Denver Union Station, Las Vegas BusTerminal, South Strip Transit Terminal, NB Casino Center at Coolidge, Las Vegas, Escondido, and Escondido Transit Center in around 26h 31m.

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