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

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

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

Users have found that booking a flight from Colorado to Chicago at least 20 days early can save you up to 10% on average compared to booking a flight this week. If booking 20 days before your flight isn’t an option for you, users have found flights from Colorado to Chicago for as little as $137 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $157 for flights departing within the next 3 days.

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

April is one of the best times of the year to fly to Chicago from Colorado. Prices for April average $135 per person but you can even find prices for as low as $33. The most expensive prices can be found in the month of December. Opting for a April flight can save you 49% on your journey compared to booking in April

Cheap flights from Colorado to Chicago in March, April 2021

13 Apr - 14 Apr
$34pp
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
17 Apr - 24 Apr
$36pp
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
15 Apr - 18 Apr
$39pp
DEN
Denver Intl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
DEN
Denver Intl

Colorado to Chicago 2021 flight deals

13 Apr - 14 Apr
$34pp
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
12 May - 18 May
$36pp
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
15 Apr - 18 Apr
$39pp
DEN
Denver Intl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
DEN
Denver Intl

Non-stop flights to Chicago from Colorado

13 Apr - 14 Apr
$34pp
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
12 May - 18 May
$36pp
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
15 Apr - 18 Apr
$39pp
DEN
Denver Intl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
DEN
Denver Intl

Last minute flights from Colorado to Chicago

12 Mar - 14 Mar
$53pp
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
12 Mar - 15 Mar
$54pp
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
12 Mar - 15 Mar
$59pp
DEN
Denver Intl
American Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
American Airlines
Non-Stop
DEN
Denver Intl

One-way flights to Chicago from Colorado

12:10 pm - 3:41 pm
American Airlines
Nonstop
2h 31m
DEN - ORD
American Airlines
5:20 am - 8:46 am
Frontier
Nonstop
2h 26m
DEN - ORD
Frontier
$54
FlyFar
3:05 pm - 1:18 pm
Spirit Airlines
2 Stops
21h 13m
DEN - ORD
Spirit Airlines
$55
Gotogate

Related info for your journey

Flight FAQs

From Colorado to Chicago

Are flight prices decreasing from Colorado to Chicago due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Colorado and Chicago for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Colorado to Chicago to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Delta is one of them. Some of the new policies that have been implemented to accommodate travelers flying from Colorado to Chicago are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

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 $34, but on average you can expect to pay $48.

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 $48.

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?

Nonstop flights can be found on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday.

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

Consider Major Airline, American Airlines or Delta when booking your flight. These represent the most popular airlines when flying from Colorado to Chicago.

What are the most popular routes from Colorado to Chicago?

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

What are the cheapest Flights from Colorado to Chicago?

The cheapest flight price from Colorado to Chicago is $41. On average you can expect to pay $401. The most popular route, (Denver Intl - Chicago O'Hare Intl), can usually be booked for $39.

What are the most reliable airlines from Colorado to Chicago?

No one likes to see their flight delayed. When booking a flight from Colorado to Chicago consider choosing SWISS (100%), Royal Jordanian (100%) or Gulf Air (94%) as they are the most reliable in getting you off to your destination on time.

How long is the flight from Colorado to Chicago?

Departing from Colorado to Chicago will take you 2h 24m. Generally, flights for this route are nonstop.

What are the cheapest airlines flying from Colorado to Chicago round-trip?

Currently priced at $34, Frontier will fly you from Colorado to Chicago and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and American Airlines - these airlines can fly you to your destination from $45 and $59, respectively.

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

The cheapest airlines for a one-way flight from Colorado to Chicago are Frontier ($17), Spirit Airlines ($24), and American Airlines ($30).

Destination information for Chicago

Flight duration
2h 41m
Average temperature for March in Chicago
50.0 °F
Avg rainfall for March in Chicago
1.6 ″

Airports servicing

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

Airports servicing Chicago

Chicago Midway (MDW)
Rockford (RFD)

Top 6 airlines flying from Colorado to Chicago

Airline Cheapest Average Flexibility On-time COVID-19 safety
Spirit Airlines
$53 $148 No cancel fee 65%
Frontier
$48 $167 No cancel fee 62%
Delta
$82 $363 No cancel fee N/A
American Airlines
$73 $384 No cancel fee 71%
United Airlines
$50 $402 No cancel fee 69%
Southwest
$246 $409 No cancel fee 63%
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