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How to get fromSan Diego to Longmontby plane, bus, bus (Amtrak, Greyhound), train, car, or bus (Flixbus, Greyhound)

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There are 6 ways to get from San Diego to Longmont by plane, bus, bus (Amtrak, Greyhound), train, car, or bus (Flixbus, 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 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
    4h 57m
    $127–214

  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 to 8th & Coffman PnR Longmontbus bus
    6h 58m
    $126–439

  3. Bus via Santa Ana

    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
    4. Take the bus from Union Station Gate B16 to Coffman St & 4th Avebus bus Lx2 / ...
    27h 55m
    $184–346

  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 8th & Coffman PnR Longmontbus bus
    29h 49m
    $428–862

  5. Drive 1,097.4 mi

    1. Drive from San Diego to Longmontcar car 1,097.4 mi
    17h 33m
    $201–290

  6. Bus

    1. Take the bus from San Diego to Las Vegas Stripbus bus
    2. Take the bus from Las Vegas Bus Terminal to Denver Union Stationbus bus
    3. Take the bus from Union Station Gate B16 to Coffman St & 4th Avebus bus Lx2 / ...
    29h 40m
    $202–361

San Diego to Longmont by bus

Calendar7Weekly Buses
Duration27h 55mAverage Duration
Ticket$184Cheapest Price
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Questions & Answers

Map of how to get from San Diego to Longmont.ExpandLaunch map view
  • Distance: 911.9 mi
  • Duration: 4h 57m

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

You can take a bus from San Diego to Coffman St & 4th Ave via Santa Ana, Santa Ana Bus Stop, Las Vegas Bus Terminal, Denver Union Station, and Union Station Gate B16 in around 27h 55m.

Airlines
Train operators
Bus operators

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