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

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There are 8 ways to get from Illinois to Boulder by plane, bus, train, bus (Flixbus, 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 from Peoria International Airport, 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 21m
    $94–554

  2. Fly from Chicago O'Hare International Airport, 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
    6h 10m
    $90–458

  3. Train, bus

    1. Take the train from Chicago Union Station to Denvertrain train California Zephyr
    2. Take the bus from Union Station Gate B17 to Broadway & Regent Drbus bus Ff1 / ...
    19h 52m
    $278–600

  4. Bus

    1. Take the bus from Chicago Bus Station to St Louis Bus Stationbus bus
    2. Take the bus from St Louis Bus Station to Denver Union Stationbus bus
    3. Take the bus from Union Station Gate B17 to Broadway & Euclid Avebus bus Ff1 / ...
    25h 23m
    $192–350

  5. Drive 1,005.5 mi

    1. Drive from Chicago to Bouldercar car 1,005.5 mi
    16h 10m
    $184–266

  6. Fly from Chicago Midway International Airport, 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 52m
    $126–708

  7. Train to General Mitchell International Airport, fly, 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 15m
    $208–1,016

  8. Train to Lambert–St. Louis International Airport, fly, 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 28m
    $162–761

Illinois to Boulder by train and bus

Calendar7Weekly Services
Duration19h 52mAverage Duration
Ticket$278Cheapest Price
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Questions & Answers

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 St Louis Bus Station, Denver Union Station, and Union Station Gate B17 in around 25h 23m.

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