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

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There are 7 ways to get from Boulder to San Antonio by bus, plane, bus (Greyhound, Flixbus), car, bus (Flixbus), or train

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 to San Antonio International Airport

    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 Antonio International Airport (SAT)plane plane DEN - SAT
    5h 21m

  2. Drive  953.7 mi

    cheapest
    1. Drive from Boulder to San Antoniocar car 953.7 mi
    15h 19m
    $174–252

  3. Bus via Amarillo

    1. Take the bus from Broadway & 20th St to Union Stationbus bus Ff1 / ...
    2. Take the bus from Denver Union Station to Amarillo Multimodal Transfer Stabus bus
    3. Take the bus from Amarillo Multimodal Transfer Sta to San Antonio Bus Stationbus bus
    22h 50m

  4. Bus, bus to Colorado Springs Airport, fly to San Antonio International Airport

    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 Antonio International Airport (SAT)plane plane COS - SAT
    7h 59m

  5. Bus to Denver, fly to Austin-Bergstrom International Airport, bus

    1. Take the bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6bus bus
    2. Fly from Denver (DEN) to Austin-Bergstrom International Airport (AUS)plane plane DEN - AUS
    3. Take the bus from Austin, TX - UT Austin to San Antonio, TX - E Commerce Stbus bus
    8h 16m

  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 Fort Worth Downtownbus bus
    3. Take the bus from Fort Worth - La Gran Plaza to San Antoniobus bus
    25h 11m

  7. Bus, train

    1. Take the bus from Downtown Boulder Station Gate 1 to Union Stationbus bus Ff1 / ...
    2. Take the bus from Denver Union Station to Ft Worth Bus Stationbus bus
    3. Take the train from Fort Worth to San Antonio Stationtrain train
    30h 28m

Denver (DEN) to San Antonio International Airport (SAT) flights

Calendar68Weekly Planes
Duration2h 19mAverage Duration
Ticket$106Cheapest Price
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Comparing Your Travel Options

Map of how to get from Boulder to San Antonio.ExpandLaunch map view
  • Distance: 848 mi
  • Duration: 5h 21m

What companies run services between Boulder, CO, USA and San Antonio, TX, USA?

You can take a bus from Broadway & 20th St to San Antonio Bus Station via Denver Union Station and Amarillo Multimodal Transfer Sta in around 22h 50m.

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