There are 8 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 from Peoria International Airport, 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 21m$104–554Bus
cheapest- Take the bus from Chicago Bus Station to Denver Union Stationbus Greyhound US0123
- Take the bus from Union Station Gate B17 to Broadway & Euclid Avebus Ff1 / ...
22h 13m$85–263Train, bus
- Take the train from Chicago Union Station to Denvertrain California Zephyr
- Take the bus from Union Station Gate B17 to Broadway & Regent Drbus Ff1 / ...
19h 53m$104–301Drive 1,005.5 mi
- Drive from Chicago to Bouldercar 1,005.5 mi
16h 10m$184–266Fly from Chicago Midway International Airport, 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 52m$136–708Fly from Chicago O'Hare International Airport, 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 14m$276–708Train to General Mitchell International Airport, fly, 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 20m$207–1,071Train to Lambert–St. Louis International Airport, fly, 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 33m$171–910
Illinois to Boulder by train and bus
Questions & Answers
The cheapest way to get from Illinois to Boulder is to bus which costs $85 - $270 and takes 22h 13m.
The fastest way to get from Illinois to Boulder is to fly and bus which takes 5h 21m and costs $100 - $600.
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 B17. The journey, including transfers, takes approximately 22h 13m.
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 53m and costs $100 - $310.
It takes approximately 5h 21m 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 11:59 AM in Illinois and 10:59 AM 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 B17 in around 22h 13m.
- Website
- southwest.com
Flights from Chicago Midway International Airport to Denver
- Ave. Duration
- 2h 47m
- When
- Every day
- Estimated price
- $130–700
Flights from Chicago Midway International Airport to Denver via Kansas City
- Ave. Duration
- 4h 30m
- When
- Every day
- Estimated price
- $130–700
Flights from Chicago Midway International Airport to Denver via Lambert–St. Louis International Airport
- Ave. Duration
- 4h 43m
- When
- Monday to Saturday
- Estimated price
- $140–700
Flights from Chicago Midway International Airport to Denver via Omaha
- Ave. Duration
- 4h 45m
- When
- Thursday and Friday
- Estimated price
- $130–700
Flights from Chicago Midway International Airport to Denver via Colorado Springs
- Ave. Duration
- 5h
- When
- Monday, Thursday, and Friday
- Estimated price
- $140–700
Flights from Chicago O'Hare International Airport to Denver
- Ave. Duration
- 2h 50m
- When
- Monday, Thursday, and Friday
- Estimated price
- $100–550
Flights from General Mitchell International Airport to Denver
- Ave. Duration
- 2h 45m
- When
- Every day
- Estimated price
- $180–950
Flights from General Mitchell International Airport to Denver via Chicago Midway International Airport
- Ave. Duration
- 5h
- When
- Thursday and Friday
- Estimated price
- $190–950
Flights from General Mitchell International Airport to Denver via Kansas City
- Ave. Duration
- 5h 30m
- When
- Thursday, Friday, and Sunday
- Estimated price
- $190–950
Flights from General Mitchell International Airport to Denver via Nashville
- Ave. Duration
- 5h 35m
- When
- Thursday to Sunday
- Estimated price
- $260–1,200
Flights from Lambert–St. Louis International Airport to Denver
- Ave. Duration
- 2h 28m
- When
- Every day
- Estimated price
- $150–850
Flights from Lambert–St. Louis International Airport to Denver via Kansas City
- Ave. Duration
- 4h 20m
- When
- Thursday to Sunday
- Estimated price
- $150–850
- Website
- united.com
Flights from Peoria International Airport to Denver
- Ave. Duration
- 2h 45m
- When
- Every day
- Estimated price
- $100–550
Flights from Peoria International Airport to Denver via Chicago O'Hare International Airport
- Ave. Duration
- 5h 26m
- When
- Every day
- Estimated price
- $120–650
Flights from Chicago O'Hare International Airport to Denver
- Ave. Duration
- 2h 55m
- When
- Every day
- Estimated price
- $100–550
Flights from General Mitchell International Airport to Denver
- Ave. Duration
- 2h 54m
- When
- Every day
- Estimated price
- $180–950
Flights from General Mitchell International Airport to Denver via Chicago O'Hare International Airport
- Ave. Duration
- 5h 26m
- When
- Every day
- Estimated price
- $190–950
Flights from Lambert–St. Louis International Airport to Denver
- Ave. Duration
- 2h 37m
- When
- Every day
- Estimated price
- $150–850
- Website
- aa.com
Flights from Chicago O'Hare International Airport to Denver
- Ave. Duration
- 2h 58m
- When
- Every day
- Estimated price
- $100–550
Flights from General Mitchell International Airport to Denver via Chicago O'Hare International Airport
- Ave. Duration
- 5h 23m
- When
- Every day
- Estimated price
- $190–950
- Website
- flyfrontier.com
Flights from Chicago O'Hare International Airport to Denver
- Ave. Duration
- 3h 5m
- When
- Monday, Thursday, Friday, and Sunday
- Estimated price
- $100–550
Flights from Lambert–St. Louis International Airport to Denver
- Ave. Duration
- 2h 34m
- When
- Monday, Wednesday, Friday, and Saturday
- Estimated price
- $150–850
- Website
- delta.com
Flights from General Mitchell International Airport to Denver via Minneapolis
- Ave. Duration
- 5h 11m
- When
- Every day
- Estimated price
- $190–950
- Website
- allegiantair.com
Flights from Peoria International Airport to Denver
- Ave. Duration
- 2h 23m
- When
- Thursday and Sunday
- Estimated price
- $100–550
Rome2Rio's guide to Amtrak
Contact 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
- $100–300
- Website
- https://www.amtrak.com/home.html
Train from Chicago Union Station to Milwaukee
- Ave. Duration
- 1h 29m
- Frequency
- Every 4 hours
- Estimated price
- $22–40
- Website
- https://www.amtrak.com/home.html
Train from Springfield to St. Louis
- Ave. Duration
- 1h 48m
- Frequency
- 5 times a day
- Estimated price
- $14–55
- 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 B17 to Broadway & Regent Dr
- Ave. Duration
- 45 min
- Frequency
- Every 30 minutes
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Bus from Union Station Gate B17 to Broadway & Euclid Ave
- Ave. Duration
- 47 min
- Frequency
- Every 30 minutes
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Rome2Rio's guide to Greyhound USA
Contact Details
- Phone
- +1 214-849-8100
- ifsr@greyhound.com
- Website
- greyhound.com
Bus from Chicago Bus Station to Denver Union Station
- Ave. Duration
- 21h 14m
- Frequency
- Once daily
- Estimated price
- $80–260
- Website
- https://www.greyhound.com/
Want to know more about travelling around United States
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