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

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There are 6 ways to get from San Diego to Thornton by plane, bus (Greyhound), train, bus, 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

    best
    1. Fly from San Diego International Airport (SAN) to Denver (DEN)plane plane SAN - DEN
    3h 43m
    $95–200

  2. Bus (Greyhound)

    1. Take the bus from San Diego Greyhound Bus Stop to Las Vegas Bus Terminalbus bus Greyhound US0901
    2. Take the bus from Las Vegas Bus Terminal to Denver Union Stationbus bus Greyhound US1200
    27h 11m
    $198–311

  3. 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
    29h 54m
    $676–1,031

  4. Drive  1,083.6 mi

    1. Drive from San Diego to Thorntoncar car 1,083.6 mi
    17h 2m
    $198–286

  5. Fly to Colorado Springs Airport, bus

    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
    6h 35m
    $98–361

  6. Bus via Las Vegas

    1. Take the bus from San Diego to Las Vegas Stripbus bus FlixBus 2037
    2. Take the bus from Las Vegas Bus Terminal to Denver Union Stationbus bus Greyhound US1200
    29h 27m
    $196–308

San Diego to Thornton by tram and bus (Greyhound)

Calendar7Weekly Services
Duration27h 11mAverage Duration
Ticket$198Cheapest Price
See schedules

Comparing Your Travel Options

Map of how to get from San Diego to Thornton.ExpandLaunch map view
  • Distance: 883.9 mi
  • Duration: 3h 43m

What companies run services between San Diego, CA, USA and Thornton, 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 vehicle from County Center/Little Italy Station to Thornton PnR Gate B via Old Town Station, San Diego Greyhound Bus Stop, Las Vegas Bus Terminal, Denver Union Station, and Union Station Gate B10 in around 27h 11m.

Airlines
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Need to know: Greyhound

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