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.
Fly Peoria International Airport to Denver, bus
best- Fly from Peoria International Airport (PIA) to Denver (DEN)plane PIA - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
5h 23m$84–424Train, bus
- Take the train from Chicago Union Station to Denvertrain California Zephyr
- Take the bus from Union Station Gate B18 to Broadway & Regent Drbus Ff2 / ...
19h 52m$343–673Bus
- Take the bus from Chicago Bus Station to Denver Union Stationbus Greyhound US0123S
- Take the bus from Union Station Gate B18 to Broadway & Euclid Avebus Ff2 / ...
22h 33m$162–296Drive 1,005.5 mi
- Drive from Chicago to Bouldercar 1,005.5 mi
16h 10m$184–266Fly Chicago Midway International Airport to Denver, bus
- Fly from Chicago Midway International Airport (MDW) to Denver (DEN)plane MDW - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
5h 41m$136–198Fly Chicago O'Hare International Airport to Denver, bus
- Fly from Chicago O'Hare International Airport (ORD) to Denver (DEN)plane ORD - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
6h 2m$186–478Train to General Mitchell International Airport, fly to Denver, bus
- Take the train from Chicago Union Station to Milwaukeetrain
- Fly from General Mitchell International Airport (MKE) to Denver (DEN)plane MKE - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
7h 5m$163–722Train to Lambert–St. Louis International Airport, fly to Denver, bus
- Take the train from Springfield to St. Louistrain
- Fly from Lambert–St. Louis International Airport (STL) to Denver (DEN)plane STL - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
7h 23m$218–278Fly Chicago Midway International Airport to Colorado Springs Airport, bus
- Fly from Chicago Midway International Airport (MDW) to Colorado Springs Airport (COS)plane MDW - COS
- Take the bus from Colorado Springs Airport to Denver International Airportbus
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
8h 32m$156–618
Illinois to Boulder by train and bus
Questions & Answers
The cheapest way to get from Illinois to Boulder is to fly and bus which costs $130 - $200 and takes 5h 41m.
The fastest way to get from Illinois to Boulder is to fly and bus which takes 5h 23m and costs $80 - $430.
No, there is no direct bus from Illinois station to Boulder. However, there are services departing from Chicago Bus Station and arriving at Broadway & Euclid Ave via Union Station Gate B18. The journey, including transfers, takes approximately 22h 33m.
The distance between Illinois and Boulder is 848 miles. The road distance is 1011.4 miles.
The best way to get from Illinois to Boulder without a car is to train and bus which takes 19h 52m and costs $340 - $700.
It takes approximately 5h 23m to get from Illinois to Boulder, including transfers.
Illinois to Boulder bus services, operated by Greyhound USA, depart from Chicago Bus Station.
Illinois to Boulder bus services, operated by Greyhound USA, arrive at Denver Union Station.
Boulder is 1h behind Illinois. It is currently 5:50 PM in Illinois and 4:50 PM in Boulder.
Yes, the driving distance between Illinois to Boulder is 1011 miles. It takes approximately 16h 10m to drive from Illinois to Boulder.
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.
- Website
- southwest.com
Flights from Chicago Midway International Airport to Denver
- Ave. Duration
- 2h 33m
- When
- Every day
- Estimated price
- $110–600
Flights from Chicago Midway International Airport to Denver via Kansas City
- Ave. Duration
- 4h
- When
- Monday, Thursday, Friday, Tuesday, Wednesday, and Sunday
- Estimated price
- $120–600
Flights from Chicago Midway International Airport to Denver via Lambert–St. Louis International Airport
- Ave. Duration
- 4h 22m
- When
- Tuesday and Wednesday
- Estimated price
- $120–600
Flights from Chicago Midway International Airport to Denver via Omaha
- Ave. Duration
- 4h 25m
- When
- Sunday
- Estimated price
- $110–600
Flights from General Mitchell International Airport to Denver
- Ave. Duration
- 2h 27m
- When
- Every day
- Estimated price
- $130–650
Flights from General Mitchell International Airport to Denver via Kansas City
- Ave. Duration
- 4h
- When
- Sunday
- Estimated price
- $140–700
Flights from General Mitchell International Airport to Denver via Lambert–St. Louis International Airport
- Ave. Duration
- 4h 20m
- When
- Saturday
- Estimated price
- $150–700
Flights from Lambert–St. Louis International Airport to Denver
- Ave. Duration
- 2h 15m
- When
- Every day
- Estimated price
- $100–550
Flights from Lambert–St. Louis International Airport to Denver via Kansas City
- Ave. Duration
- 4h 5m
- When
- Monday, Thursday, Friday, and Sunday
- Estimated price
- $100–550
Flights from Chicago Midway International Airport to Colorado Springs Airport
- Ave. Duration
- 2h 28m
- When
- Every day
- Estimated price
- $110–550
Flights from Chicago Midway International Airport to Colorado Springs Airport via Denver
- Ave. Duration
- 4h 42m
- When
- Every day
- Estimated price
- $110–600
Flights from Chicago Midway International Airport to Colorado Springs Airport via Dallas
- Ave. Duration
- 5h 17m
- When
- Sunday, Tuesday, and Wednesday
- Estimated price
- $150–700
- Website
- united.com
Flights from Peoria International Airport to Denver
- Ave. Duration
- 2h 39m
- When
- Every day
- Estimated price
- $80–420
Flights from Peoria International Airport to Denver via Chicago O'Hare International Airport
- Ave. Duration
- 5h 16m
- When
- Every day
- Estimated price
- $100–470
Flights from Chicago O'Hare International Airport to Denver
- Ave. Duration
- 2h 52m
- When
- Every day
- Estimated price
- $90–440
Flights from Chicago O'Hare International Airport to Denver via Fort Dodge
- Ave. Duration
- 4h 5m
- When
- Every day
- Estimated price
- $90–440
Flights from General Mitchell International Airport to Denver
- Ave. Duration
- 2h 50m
- When
- Every day
- Estimated price
- $130–650
Flights from Lambert–St. Louis International Airport to Denver
- Ave. Duration
- 2h 29m
- When
- Every day
- Estimated price
- $100–550
- Website
- aa.com
Flights from Peoria International Airport to Denver via Dallas/Ft.Worth
- Ave. Duration
- 5h 45m
- When
- Every day
- Estimated price
- $120–550
Flights from Chicago O'Hare International Airport to Denver
- Ave. Duration
- 2h 43m
- When
- Every day
- Estimated price
- $90–440
- Website
- flyfrontier.com
Flights from Chicago O'Hare International Airport to Denver
- Ave. Duration
- 3h
- When
- Every day
- Estimated price
- $150–400
Flights from Lambert–St. Louis International Airport to Denver
- Ave. Duration
- 2h 36m
- When
- Every day
- Estimated price
- $180–210
- Website
- allegiantair.com
Flights from Peoria International Airport to Denver
- Ave. Duration
- 2h 25m
- When
- Thursday and Sunday
- Estimated price
- $80–420
Rome2Rio's guide to Amtrak
Contact DetailsContact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Chicago Union Station to Denver
- Ave. Duration
- 18h 56m
- Frequency
- Once daily
- Estimated price
- $340–700
- Website
- https://www.amtrak.com/home.html
Train from Chicago Union Station to Milwaukee
- Ave. Duration
- 1h 29m
- Frequency
- Every 4 hours
- Estimated price
- $27–55
- Website
- https://www.amtrak.com/home.html
Train from Springfield to St. Louis
- Ave. Duration
- 1h 48m
- Frequency
- 5 times a day
- Estimated price
- $30–65
- Website
- https://www.amtrak.com/home.html
- Phone
- +1 303-299-6000
- Website
- rtd-denver.com
Bus from Denver Airport Station Gate 8 to Downtown Boulder Station
- Ave. Duration
- 1h 7m
- Frequency
- Hourly
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Bus from Union Station Gate B18 to Broadway & Regent Dr
- Ave. Duration
- 45 min
- Frequency
- Every 20 minutes
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Bus from Union Station Gate B18 to Broadway & Euclid Ave
- Ave. Duration
- 47 min
- Frequency
- Every 20 minutes
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Bus from Denver Airport Station Gate 8 to Downtown Boulder Station
- Ave. Duration
- 1h 7m
- Frequency
- Hourly
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Bus from Denver Airport Station Gate 8 to Downtown Boulder Station
- Ave. Duration
- 1h 7m
- Frequency
- Hourly
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Bus from Denver Airport Station Gate 8 to Downtown Boulder Station
- Ave. Duration
- 1h 7m
- Frequency
- Hourly
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Bus from Denver Airport Station Gate 8 to Downtown Boulder Station
- Ave. Duration
- 1h 7m
- Frequency
- Hourly
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Bus from Denver Airport Station Gate 8 to Downtown Boulder Station
- Ave. Duration
- 1h 7m
- Frequency
- Hourly
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Rome2Rio's guide to Greyhound USA
Contact DetailsContact Details
- Phone
- +1 214-849-8100
- [email protected]
- Website
- greyhound.com
Bus from Chicago Bus Station to Denver Union Station
- Ave. Duration
- 21h 35m
- Frequency
- Once daily
- Estimated price
- $150–300
- Website
- https://www.greyhound.com/
- Phone
- +1 719-687-3456
- Website
- groometransportation.com
Bus from Colorado Springs Airport to Denver International Airport
- Ave. Duration
- 2h 25m
- Frequency
- Hourly
- Estimated price
- $40–60
- Website
- https://groometransportation.com/colorado-springs/
Want to know more about travelling around United States
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