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

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

All the information you need to plan the best CHI to DEN flight in 2022: compare Chicago to Colorado flight prices with the expected peak season, weather and rainfall in Colorado.
How far in advance should I book a flight from Chicago to Colorado?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 20 days in advance, which can save you up to 7% on flights from Chicago to Colorado compared to booking the week you need them. Waiting 20 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $126. For sooner than that we have options available in the next 3 days from $137.

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

When flying from Chicago to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest month to fly from Chicago to Colorado?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to Colorado. Flights to Colorado from Chicago in August are about $142 on average during August, but can be found for as low as $37.

Cheap flights from Chicago to Colorado in January, February 2022

The best prices found for CHI to Colorado flights for January, February
27 Feb - 4 Mar
$90pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
28 Feb - 3 Mar
$91pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
14 Feb - 17 Feb
$92pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl

Chicago to Colorado 2022 flight deals

Cheap flights to Colorado from Chicago found for this year
4 Mar - 8 Mar
$80pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
5 Mar - 8 Mar
$81pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
1 Mar - 8 Mar
$82pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl

Non-stop flights to Colorado from Chicago

Save time with Chicago to Colorado direct flight deals
4 Mar - 8 Mar
$80pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
5 Mar - 8 Mar
$81pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
7 Mar - 8 Mar
$84pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl

Last minute flights from Chicago to Colorado

Late deals on round-trip flights to Colorado from Chicago, departing today and this week
2 Feb - 8 Feb
$98pp
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
31 Jan - 1 Feb
$101pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
31 Jan - 1 Feb
$104pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl

One-way flights to Colorado from Chicago

The cheapest one-way flights from Chicago to Colorado
3:37 pm - 5:30 pm
American Airlines
Nonstop
2h 53m
ORD - DEN
American Airlines
9:32 am - 11:18 am
United Airlines
Nonstop
2h 46m
ORD - DEN
United Airlines
$69
United
8:30 am - 1:07 pm
Delta
1 Stop
5h 37m
MDW - DEN
Delta
$73
Delta

Related info for your journey

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

Flight FAQs

From Chicago to Colorado

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

Due to the rapidly changing circumstances due to COVID-19, airlines like United Airlines, Spirit Airlines, and American Airlines flying from Chicago to Colorado have implemented new flexible cancellation policies.

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

Yes, there are multiple flights from Chicago to Colorado for under $100. The cheapest flight booked recently is on Frontier for just $80, but on average you can expect to pay $90.

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

Cheapflights has at least 20 direct flights from Chicago to Colorado under $100. A good price for a nonstop flight from Chicago to Colorado is less than $92.

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

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

What days are nonstop flights available from Chicago to Colorado?

Days when nonstop flights are available for this flight are: Sunday, Monday, Wednesday, Friday, Saturday.

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

11 flight departures from Chicago to Colorado per day on average.
Morning (6am - Noon) - 45% of flight departures
Afternoon (Noon - 6pm) - 45% of flight departures
Evening (6pm - Midnight) - 9% of flight departures

How long is the flight from Chicago to Colorado?

A quick flight from Chicago to Colorado can take about 3h 02m. Frontier provides one of the quickest options available for as low as $80. Airlines will cover a distance of 891 mi. This flight may include one or multiple stops.

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

$41 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and American Airlines, with prices starting from $49 and $64, respectively.

What are the cheapest flights from Chicago to Colorado?

Looking for the cheapest flight from Chicago to Colorado? While on average our users pay $384, our data indicates the cheapest price to be $17. The most popular route (Chicago O'Hare Intl - Denver Intl), is priced around $82.

What are the most popular routes from Chicago to Colorado?

The most popular flight routes from Chicago to Colorado are Chicago O'Hare Intl - Denver Intl, Chicago Midway - Denver Intl and Chicago O'Hare Intl - Aspen Pitkin County.

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

When booking a flight from Chicago to Colorado, you may want to consider flying on Major Airline, American Airlines or Delta as they are the most popular for this route.

What are the most reliable airlines from Chicago to Colorado?

Before booking your flight to Colorado from Chicago, check out the most reliable airlines to get you to your destination on time: LOT (94%), SAS (80%), United Airlines( 79%).

Related searches

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COVID Restrictions

View COVID Travel Restrictions for Colorado (CO)

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

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

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

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.

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

Returning to Chicago from Colorado

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.

Hide COVID Travel Restrictions for Colorado (CO)

Destination points for flights from Chicago to Colorado

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

Destination information for Colorado

Things to know before you go - useful duration and weather info for your trip from Chicago to Colorado.
Flight duration from Chicago to Colorado
2h 44m

Airports servicing Chicago

Midway (MDW)
Rockford (RFD)

Airports servicing

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

Top 6 airlines flying from Chicago to Colorado

The chart below displays the airlines Cheapflights users traveling from Chicago to Colorado 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
$39 $177 No cancel fee 62%
Spirit Airlines
$53 $155 No cancel fee 65%
United Airlines
$53 $426 No cancel fee 69%
American Airlines
$60 $439 No cancel fee 71%
Delta
$82 $357 No cancel fee N/A
Southwest
$231 $382 No cancel fee 63%
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