Cheap flights from Colorado (CO) to Chicago (CHI)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

How to find the cheapest flight from
Colorado to Chicago (CHI)

All the information you need to plan the best null to CHI flight in 2022: compare Colorado to Chicago flight prices with the expected peak season, weather and rainfall in Chicago.
What is the cheapest month to fly from Colorado to Chicago?

The best pricing can be found in the month of August. Prices to Chicago from Colorado average $133. You can even find prices in August for less than $133, as users have found deals to Chicago from as low as $35. The month of December appears to be one of the more expensive times to travel to Chicago from Colorado. Flying in the targeted month can save you up to 60%.

How far in advance should I book a flight from Colorado to Chicago?

Find a great deal and save up to 11% by booking at least 20 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Colorado to Chicago within the next two weeks, with the cheapest ticket starting at $122.

When is the cheapest time to fly from Colorado to Chicago (CO - CHI)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Chicago as you normally would.

Cheap flights from Colorado to Chicago in January, February 2022

The best prices found for Colorado to CHI flights for January, February
18 Feb - 21 Feb
$75pp
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
17 Feb - 20 Feb
$81pp
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
18 Feb - 20 Feb
$84pp
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl

Colorado to Chicago 2022 flight deals

Cheap flights to Chicago from Colorado found for this year
18 Feb - 21 Feb
$75pp
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
17 Feb - 20 Feb
$81pp
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
18 Feb - 20 Feb
$84pp
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl

Non-stop flights to Chicago from Colorado

Save time with Colorado to Chicago direct flight deals
17 Feb - 20 Feb
$81pp
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
17 Feb - 21 Feb
$84pp
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
3 Mar - 7 Mar
$88pp
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl

Last minute flights from Colorado to Chicago

Late deals on round-trip flights to Chicago from Colorado, departing today and this week
25 Jan - 1 Feb
$97pp
DEN
Denver Intl
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
DEN
Denver Intl
25 Jan - 26 Jan
$107pp
DEN
Denver Intl
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
DEN
Denver Intl
26 Jan - 1 Feb
$110pp
DEN
Denver Intl
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
DEN
Denver Intl

One-way flights to Chicago from Colorado

The cheapest one-way flights from Colorado to Chicago
9:10 am - 6:30 pm
Spirit Airlines
1 Stop
8h 20m
DEN - ORD
Spirit Airlines
$68
FareScan
2:40 am - 6:23 am
American Airlines
Nonstop
2h 43m
DEN - ORD
American Airlines
11:39 am - 3:09 pm
Frontier
Nonstop
2h 30m
DEN - ORD
Frontier
$70
CheapOair

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Colorado</span> to <span class="emphasized">Chicago</span> flights.

Flight FAQs

From Colorado to Chicago

Which airlines flying from Colorado to Chicago have flexible cancellations due to COVID-19?

United Airlines, Spirit Airlines, and American Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Colorado to Chicago for under $100 on Cheapflights?

Yes, there are multiple flights from Colorado to Chicago for under $100. The cheapest flight booked recently is on Frontier for just $75, but on average you can expect to pay $94.

Are there nonstop flights from Colorado to Chicago for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Colorado to Chicago under $100. A good price for a nonstop flight from Colorado to Chicago is less than $97.

Are there last-minute flights available from Colorado to Chicago for under $100?

There are currently 20+ open flights from Colorado to Chicago within the next 7 days for less than $100.

What days are nonstop flights available from Colorado to Chicago?

Days when nonstop flights are available for this flight are: Tuesday, Thursday, Friday.

How many flights depart from Colorado to Chicago on average per day?

Travelers can expect 5 flights from Colorado to Chicago on average per day.
Early Morning (Midnight to 6am) - 60% of flight departures
Morning (6am - Noon) - 20% of flight departures
Afternoon (Noon - 6pm) - 20% of flight departures

How long is the flight from Colorado to Chicago?

Departing from Colorado to Chicago will take you 2h 30m. The distance from Colorado to Chicago is about 891 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines to fly from Colorado to Chicago one-way?

One-way options have recently been found by users for as low as $37 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $40 and American Airlines from $69 one-way.

What are the most popular routes from Colorado to Chicago?

The most popular route from Colorado to Chicago is Denver Intl - Chicago O'Hare Intl. You may also consider Denver Intl - Chicago Midway or Colorado Springs - Chicago O'Hare Intl.

What are the cheapest flights from Colorado to Chicago?

The cheapest flight price from Colorado to Chicago is $18. On average you can expect to pay $347. The most popular route, (Denver Intl - Chicago O'Hare Intl), can usually be booked for $100.

What are the most popular airlines that fly from Colorado to Chicago?

Before booking your flight from Colorado to Chicago check out the most popular airlines for this route: Major Airline, American Airlines or Delta.

What are the most reliable airlines from Colorado to Chicago?

Consider Japan Airlines (100%), Cathay Pacific (100%) or Iberia (93%) when booking your flight. These represent the most reliable airlines when flying from Colorado to Chicago.

COVID Restrictions

View COVID Travel Restrictions for Chicago, IL

Do I need a COVID test to fly to Chicago from Colorado?

Information is based on travel restrictions for travel to Chicago within the United States

Most visitors from Colorado need to provide a negative COVID-19 test result and/or quarantine to enter Chicago.

COVID-19 testing requirements
Visitors from Colorado must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Chicago.

Quarantine requirements
Visitors from Colorado are not required to quarantine after entering Chicago.

Do I need a test to fly back to Colorado from Chicago?

Returning to Colorado from Chicago

COVID-19 testing requirements
Visitors from Chicago must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Colorado.

Quarantine requirements
Visitors from Chicago are not required to quarantine after entering Colorado.

Hide COVID Travel Restrictions for Chicago, IL

Departure points for flights from Colorado to Chicago

Select to see more specific information for flights to Chicago from all departure points in Colorado.

Destination information for Chicago

Things to know before you go - useful duration and weather info for your trip from Colorado to Chicago.
Flight duration from Colorado to Chicago
2h 43m
Average temperature for January in Chicago
33.8 °F
Avg rainfall for January in Chicago
0.7 ″

Airports servicing

Colorado Springs (COS)
Denver (DEN)
Durango (DRO)
Vail Eagle County (EGE)
Loveland Northern Colorado (FNL)

Airports servicing Chicago

Midway (MDW)
Rockford (RFD)

Top 6 airlines flying from Colorado to Chicago

The chart below displays the airlines Cheapflights users traveling from Colorado to Chicago choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$48 $167 No cancel fee 62%
United Airlines
$50 $402 No cancel fee 69%
Spirit Airlines
$53 $148 No cancel fee 65%
American Airlines
$73 $384 No cancel fee 71%
Delta
$82 $363 No cancel fee N/A
Southwest
$246 $409 No cancel fee 63%
Home North America USA Illinois Chicago Cheap flights from Colorado to Chicago