Rome2Rio

How to get fromBoulder to St. Louis Airport (STL)by bus, plane, bus (Greyhound) or car

Find Transport to St. Louis Airport (STL)

See all options

There are 5 ways to get from Boulder to St. Louis Airport (STL) by bus, plane, bus (Greyhound), 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. Bus to Denver, fly

    best
    1. Take the bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6bus
    2. Fly from Denver (DEN) to Lambert–St. Louis International Airport (STL)planeDEN - STL
    4h 23m
    $126–706
  2. Bus

    cheapest
    1. Take the bus from Broadway & 20th St to Union StationbusFf1 / ...
    2. Take the bus from Denver Union Station to St Louis Bus StationbusGreyhound US1200
    18h 58m
    $96–226
  3. Drive 854.2 mi

    1. Drive from Boulder to St. Louis Airport (STL)car854.2 mi
    13h 28m
    $156–226
  4. Bus, bus to Colorado Springs Airport, fly

    1. Take the bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6bus
    2. Take the bus from Denver International Airport to Colorado Springs Airportbus
    3. Fly from Colorado Springs Airport (COS) to Lambert–St. Louis International Airport (STL)planeCOS - STL
    9h 13m
    $166–716
  5. Bus via Burlington

    1. Take the bus from Downtown Boulder Station Gate 1 to Union StationbusFf1 / ...
    2. Take the bus from Denver to Burlingtonbus
    3. Take the bus from Burlington to Lambert-St. Louis International Airportbus
    22h 35m
    $178–393

Boulder to St. Louis Airport (STL) by bus and train

Calendar7Weekly Services
Duration18h 58mAverage Duration
Ticket$96Cheapest Price
See schedules

Questions & Answers

What companies run services between Boulder, CO, USA and St. Louis Airport (STL), USA?

You can take a bus from Broadway & 20th St to LAMBERT AIRPORT TERMINAL #1 station via Denver Union Station, St Louis Bus Station, and CIVIC CENTER station in around 18h 58m.

Transport is disrupted due to the Russia-Ukraine war. Read more

Airlines
Bus operators

Want to know more about travelling around United States

Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.

Related travel guides

Need to know: Greyhound

Read the travel guideNeed to know: Greyhound

More Questions & Answers