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How to get fromSan Diego to Boulderby plane, bus, bus (Greyhound), train, or car

Find Transport to Boulder

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There are 5 ways to get from San Diego to Boulder by plane, bus, bus (Greyhound), 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. Fly to Denver, bus

    best
    1. Fly from San Diego International Airport (SAN) to Denver (DEN)plane plane SAN - DEN
    2. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus bus
    3h 52m
    $127–211

  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 Airport to Denver International Airportbus bus
    3. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus bus
    6h 52m
    $107–389

  3. Bus

    1. Take the bus from San Diego Greyhound Bus Stop to Las Vegas Bus Terminalbus bus
    2. Take the bus from Las Vegas Bus Terminal to Denver Union Stationbus bus
    3. Take the bus from Union Station Gate B18 to Broadway & Euclid Avebus bus Ff2 / ...
    27h 35m
    $172–286

  4. Train, bus

    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 Denverbus bus
    4. Take the bus from Union Station Gate B18 to Broadway & Regent Drbus bus Ff2 / ...
    30h 11m
    $352–759

  5. Drive  1,083.3 mi

    1. Drive from San Diego to Bouldercar car 1,083.3 mi
    17h 15m
    $198–286

San Diego to Boulder by tram and bus

Calendar7Weekly Services
Duration27h 35mAverage Duration
Ticket$172Cheapest Price
See schedules

Comparing Your Travel Options

Map of how to get from San Diego to Boulder.ExpandLaunch map view
  • Distance: 896.2 mi
  • Duration: 3h 52m

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

You can take a vehicle from County Center/Little Italy Station to Broadway & Euclid Ave via Old Town Station, San Diego Greyhound Bus Stop, Las Vegas Bus Terminal, Denver Union Station, and Union Station Gate B18 in around 27h 35m.

Airlines
Train operators
Bus operators

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Need to know: Greyhound

Read the travel guideNeed to know: Greyhound

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