$46 Find Cheap Flights from Colorado to Chicago

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Chicago departing on 11/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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Cheap Flights from Colorado to Chicago

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Colorado to Chicago that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Colorado to Chicago

Wed, Jul 23 - Sun, Jul 27
Frontier Logo
8:31 pm - 12:10 amDEN-ORD
2h 39mnonstop
Frontier Logo
5:40 am - 7:30 amORD-DEN
2h 50mnonstop
$97Frontier
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Thu, Jul 24 - Mon, Jul 28
Frontier Logo
5:26 pm - 8:54 pmDEN-MDW
2h 28mnonstop
Frontier Logo
12:35 pm - 2:19 pmMDW-DEN
2h 44mnonstop
$97Frontier
Find Deal
Thu, Sep 11 - Mon, Sep 15
Southwest Logo
9:45 am - 1:10 pmCOS-MDW
2h 25mnonstop
Southwest Logo
7:45 am - 9:10 amMDW-COS
2h 25mnonstop
$181Southwest
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Tue, Aug 26 - Sat, Sep 6
American Airlines Logo
12:07 pm - 3:50 pmCOS-ORD
2h 43mnonstop
American Airlines Logo
10:00 am - 11:53 amORD-COS
2h 53mnonstop
$181American Airlines
Find Deal
Tue, Aug 5 - Tue, Aug 12
United Airlines Logo
12:05 pm - 3:45 pmCOS-ORD
2h 40mnonstop
United Airlines Logo
9:15 am - 11:08 amORD-COS
2h 53mnonstop
$189United Airlines
Find Deal
Tue, Aug 26 - Sat, Sep 6
Southwest Logo
11:55 am - 3:15 pmCOS-MDW
2h 20mnonstop
Southwest Logo
11:25 am - 4:15 pmMDW-COS
5h 50m1 stop
$191Southwest
Find Deal
Wed, Aug 27 - Mon, Sep 1
United Airlines Logo
1:55 pm - 7:57 pmCOS-ORD
5h 02m1 stop
United Airlines Logo
9:07 am - 10:56 amORD-COS
2h 49mnonstop
$191United Airlines
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Wed, Sep 10 - Sat, Sep 13
American Airlines Logo
12:14 pm - 4:12 pmASE-ORD
2h 58mnonstop
American Airlines Logo
9:31 am - 11:41 amORD-ASE
3h 10mnonstop
$210American Airlines
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Tue, Aug 5 - Tue, Aug 12
Delta Logo
2:22 pm - 12:09 amCOS-ORD
8h 47m1 stop
Delta Logo
11:15 am - 10:18 pmORD-COS
12h 03m2 stops
$222Delta
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Tue, Aug 5 - Tue, Aug 12
Delta Logo
5:55 pm - 7:49 amCOS-ORD
12h 54m2 stops
Delta Logo
2:00 pm - 10:18 pmORD-COS
9h 18m2 stops
$227Delta
Find Deal
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Good to know

Low seasonJanuary
High seasonJuly
Cheapest flight$46
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly and prices are also 0% lower on average.
Flight from Denver to Chicago O'Hare Airport

Flights from Colorado to Chicago: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Colorado to Chicago 
AdamFlew with SouthwestDEN-ORDOct 2024
Arriving T5 at ORD on Southwest is often a LONG walk, with no moving walkways going out, to baggage claim / pickup.
BrianFlew with United AirlinesDEN-ORDJan 2024
Big airport. Make sure you have enough time between flights for rest, eating, etc…

FAQs for booking flights from Colorado to Chicago

  • How does KAYAK find such low prices on flights from Colorado to Chicago?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to Chicago.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to Chicago?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Colorado is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Colorado to Chicago?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago with an airline and back to Colorado with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to Chicago?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago from Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Chicago

Cabin class types available on flights to Colorado

Cabin classes available on flights to Chicago. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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