There are 7 ways to get from Chicago to Boulder by plane, bus, train 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.

Recommended option

Fly from Chicago Midway, bus  •  5 h 36 min

  1. Fly from Chicago Midway (MDW) to Denver (DEN) MDW - DEN
  2. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Station

$101 - $333

Cheapest option

Fly from Chicago O'Hare, bus  •  5 h 53 min

  1. Fly from Chicago O'Hare (ORD) to Denver (DEN) ORD - DEN
  2. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Station

$51 - $234

5 alternative options

Train to Milwaukee, fly, bus  •  7 h 14 min

  1. Take the train from Chicago Union Station to Milwaukee Intermodal Station
  2. Fly from Milwaukee (MKE) to Denver (DEN) MKE - DEN
  3. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Station

$129 - $513

Train, drive  •  23 h 52 min

  1. Take the train from Chicago Union Station to Granby Amtrak California Zephyr
  2. Drive from Granby Amtrak to Boulder

$156 - $436

Bus via St Louis, Mo  •  25 h 8 min

  1. Take the bus from Chicago, Il to St Louis, Mo 1353
  2. Take the bus from St Louis, Mo to Denver, Co 1683 / ...

$118 - $298

Bus Burlington Trailways  •  28 h 23 min

  1. Take the bus from Chicago, Il to Champaign, Il 1351 / ...
  2. Take the bus from Champaign, IL to Denver, CO 1401

$142 - $229

Drive  •  15 h 53 min

  1. Drive from Chicago to Boulder 1023.4 miles

$100 - $150

Questions & Answers

The cheapest way to get from Chicago to Boulder is to fly and bus which costs $50 - $240 and takes 5 h 53 min.

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The quickest way to get from Chicago to Boulder is to fly and bus which costs $100 - $340 and takes 5 h 36 min.

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No, there is no direct bus from Chicago to Boulder. However, there are services departing from Chicago, Il and arriving at 28th St & Arapahoe Ave via St Louis, Mo and 18th St & California St. The journey, including transfers, takes approximately 25 h 8 min.

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The distance between Chicago and Boulder is 933 miles. The road distance is 1023.4 miles.

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The best way to get from Chicago to Boulder without a car is to bus which takes 25 h 8 min and costs $110 - $300.

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It takes approximately 5 h 36 min to get from Chicago to Boulder, including transfers.

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Chicago to Boulder bus services, operated by Greyhound USA, depart from Chicago, Il station.

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The quickest flight from Chicago Midway Airport to Denver Airport is the direct flight which takes 2 h 25 min.

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Chicago to Boulder bus services, operated by Greyhound USA, arrive at Denver, Co station.

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Boulder is 1 h behind Chicago. It is currently 6:36 PM in Chicago and 5:36 PM in Boulder.

Map of how to get from Chicago to Boulder.
Launch map view
  • Distance: 933.4 miles
  • Duration: 5 h 36 min

What companies run services between Chicago, IL, USA and Boulder, CO, USA?

You can take a bus from Chicago to Boulder via St Louis, Mo, Denver, Co, and 18th St & California St in around 25 h 8 min.

Airlines
Southwest Airlines
Website
southwest.com
Flights from Chicago Midway to Denver
Ave. Duration
2 h 31 min
When
Every day
Estimated price
$110 - $550
Flights from Chicago Midway to Denver via Kansas City
Ave. Duration
3 h 50 min
When
Monday to Friday
Estimated price
$110 - $550
Flights from Milwaukee to Denver
Ave. Duration
2 h 30 min
When
Every day
Estimated price
$200 - $850
Flights from Milwaukee to Denver via Kansas City
Ave. Duration
4 h 25 min
When
Monday to Friday
Estimated price
$200 - $850
United Airlines
Website
united.com
Flights from Chicago O'Hare to Denver
Ave. Duration
2 h 38 min
When
Every day
Estimated price
$150 - $700
Flights from Chicago O'Hare to Denver via Rapid City
Ave. Duration
4 h 18 min
When
Every day
Estimated price
$150 - $700
Flights from Milwaukee to Denver
Ave. Duration
2 h 38 min
When
Every day
Estimated price
$220 - $800
Flights from Milwaukee to Denver via Chicago O'Hare
Ave. Duration
4 h 24 min
When
Every day
Estimated price
$220 - $800
American Airlines
Website
aa.com
Flights from Chicago O'Hare to Denver
Ave. Duration
2 h 29 min
When
Every day
Estimated price
$100 - $650
Flights from Milwaukee to Denver via Chicago O'Hare
Ave. Duration
4 h 23 min
When
Every day
Estimated price
$230 - $850
Frontier Airlines
Website
flyfrontier.com
Flights from Chicago O'Hare to Denver
Ave. Duration
2 h 51 min
When
Every day
Estimated price
$85 - $400
Flights from Milwaukee to Denver
Ave. Duration
2 h 44 min
When
Every day
Estimated price
$140 - $490
Spirit Airlines
Website
spirit.com
Flights from Chicago O'Hare to Denver
Ave. Duration
2 h 41 min
When
Every day
Estimated price
$40 - $370
Train operators
Amtrak

Amtrak is a rail service that connects the US and three Canadian provinces. Covering 21,000 route miles (34,000km) Amtrak operates more than 300 trains daily. These medium and long distance intercity services operate at speeds of up to 240km/h, to more than 500 destinations. Founded in 1971, it is based in Washington, D.C. and offers four classes of travel: First Class, Sleeper, Business and Coach. Ticket fares are divided into five subclasses: Saver, Value, Flexible, Business and Premium. Amtrak trains are known for their wide seats, plug-in power, big windows and storage capabilities.

Rome2rio's guide to Amtrak
Contact Details
Phone
+1 1-800-872-7245
Website
amtrak.com
Train from Chicago Union Station to Milwaukee Intermodal Station
Ave. Duration
1 h 29 min
Frequency
Every 4 hours
Estimated price
$28 - $60
Website
amtrak.com
Coach Seat
$28 - $45
Flexi Coach Seat
$50 - $75
Business Coach Seat
$40 - $60
Room
$150 - $220
Train from Chicago Union Station to Granby Amtrak
Ave. Duration
21 h 37 min
Frequency
Once daily
Estimated price
$140 - $430
Website
amtrak.com
Coach Seat
$140 - $220
Flexi Coach Seat
$260 - $370
Business Coach Seat
$300 - $430
Room
$550 - $800
Bus operators
Regional Transportation District
Website
rtd-denver.com
Bus from Denver Airport Station Gate 8 to Downtown Boulder Station
Ave. Duration
1 h 8 min
Frequency
Hourly
Estimated price
$9
Schedules at
rtd-denver.com
Greyhound USA

Greyhound is a leading bus company based in Dallas, Texas, serving over 3800 destinations across North America, Mexico and Canada. Greyhound carries around 18 million passengers a year who travel 5.4 billion miles (8.6 billion km) a year on their fleet of around 1700 vehicles. For travel flexibility, you can board or get off a Greyhound bus at official Greyhound stations, partner stations and curbside stops. There are around 230 Greyhound stations across the US where you can both catch your bus and buy tickets, that are also available on the official website and via the mobile app.

Rome2rio's guide to Greyhound USA
Contact Details
Phone
+1 214-849-8100/1-800-231-2222
Email
ifsr@greyhound.com
Website
greyhound.com
Bus from Chicago, Il to St Louis, Mo
Ave. Duration
5 h 45 min
Frequency
Hourly
Estimated price
$35 - $85
Website
greyhound.com
Economy
$35 - $55
Flexible
$65 - $85
Bus from St Louis, Mo to Denver, Co
Ave. Duration
17 h 35 min
Frequency
Hourly
Estimated price
$80 - $210
Website
greyhound.com
Economy
$80 - $140
Flexible
$150 - $210
Bus from Chicago, Il to Champaign, Il
Ave. Duration
2 h 30 min
Frequency
Every 30 minutes
Estimated price
$19 - $45
Website
greyhound.com
Economy
$19 - $29
Flexible
$30 - $45
Burlington Trailways

Want to know more about travelling around United States

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More Questions & Answers

Yes, the driving distance between Chicago to Boulder is 1023 miles. It takes approximately 15 h 53 min to drive from Chicago to Boulder.

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Southwest Airlines offers flights from Chicago Midway Airport to Denver Airport.

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There are 66+ hotels available in Boulder. Prices start at $107 USD per night.

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The best way to get from Chicago to Chicago Midway Airport is to subway which takes 23 min and costs $2 - $4.

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