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How to get fromBoulder to San Diegoby bus, plane, bus (Greyhound, Flixbus), train, car, or bus (Greyhound)

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There are 6 ways to get from Boulder to San Diego by bus, plane, bus (Greyhound, Flixbus), train, 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. 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, bus to Colorado Springs Airport, fly

    cheapest
    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 43m
    $121–466

  3. Bus via Santa Ana

    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 Bus Terminalbus bus
    3. Take the bus from Las Vegas Bus Terminal to Santa Ana Bus Stopbus bus
    4. Take the bus from Santa Ana Bus Stop to San Diegobus bus
    26h 40m
    $166–283

  4. 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
    $352–761

  5. Drive  1,084.7 mi

    1. Drive from Boulder to San Diegocar car 1,084.7 mi
    17h 12m
    $198–286

  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 Bus Terminalbus bus
    3. Take the bus from Las Vegas Bus Terminal to San Diego Greyhound Bus Stopbus bus
    26h 53m
    $168–288

Boulder to San Diego by bus

Calendar7Weekly Buses
Duration26h 40mAverage Duration
Ticket$166Cheapest Price
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Comparing Your Travel Options

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 San Diego via Union Station, Denver Union Station, Las Vegas Bus Terminal, and Santa Ana Bus Stop in around 26h 40m.

Airlines
Train operators
Bus operators

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