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

Find Transport to Boulder

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There are 9 ways to get from Illinois to Boulder by plane, bus, train, 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. Fly Peoria International Airport to Denver, bus

    best
    1. Fly from Peoria International Airport (PIA) to Denver (DEN)plane plane PIA - DEN
    2. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus bus
    5h 28m
    $89–444

  2. Fly Chicago O'Hare International Airport to Denver, bus

    cheapest
    1. Fly from Chicago O'Hare International Airport (ORD) to Denver (DEN)plane plane ORD - DEN
    2. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus bus
    5h 58m
    $66–408

  3. Train, bus

    1. Take the train from Chicago Union Station to Denvertrain train California Zephyr
    2. Take the bus from Union Station Gate B18 to Broadway & Regent Drbus bus Ff2 / ...
    19h 52m
    $269–588

  4. Bus

    1. Take the bus from Chicago Bus Station to Denver Union Stationbus bus Greyhound US0123S
    2. Take the bus from Union Station Gate B18 to Broadway & Euclid Avebus bus Ff2 / ...
    22h 33m
    $161–252

  5. Drive  1,005.3 mi

    1. Drive from Chicago to Bouldercar car 1,005.3 mi
    16h 11m
    $184–265

  6. Fly Chicago Midway International Airport to Denver, bus

    1. Fly from Chicago Midway International Airport (MDW) to Denver (DEN)plane plane MDW - DEN
    2. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus bus
    5h 46m
    $136–198

  7. Train to General Mitchell International Airport, fly to Denver, bus

    1. Take the train from Chicago Union Station to Milwaukeetrain train
    2. Fly from General Mitchell International Airport (MKE) to Denver (DEN)plane plane MKE - DEN
    3. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus bus
    7h 10m
    $237–815

  8. Train to Lambert–St. Louis International Airport, fly to Denver, bus

    1. Take the train from Springfield to St. Louistrain train
    2. Fly from Lambert–St. Louis International Airport (STL) to Denver (DEN)plane plane STL - DEN
    3. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus bus
    7h 23m
    $211–560

  9. Fly Chicago Midway International Airport to Colorado Springs Airport, bus

    1. Fly from Chicago Midway International Airport (MDW) to Colorado Springs Airport (COS)plane plane MDW - 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
    8h 42m
    $146–618

Illinois to Boulder by train and bus

Calendar7Weekly Services
Duration19h 52mAverage Duration
Ticket$269Cheapest Price
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Comparing Your Travel Options

Map of how to get from Illinois to Boulder.ExpandLaunch map view
  • Distance: 842.6 mi
  • Duration: 5h 28m

What companies run services between Illinois, USA and Boulder, CO, USA?

You can take a bus from Chicago Bus Station to Broadway & Euclid Ave via Denver Union Station and Union Station Gate B18 in around 22h 33m.

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