$61 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 2/9. 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, 0 bags

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Everything you should know

Cheapest round-trip
$108
Overall average: $225
Frontier
Thu 1/8Sun 1/11
DEN - ORD • 1 stop
Cheapest non-stop
$111
Typical prices: $135-$349
Frontier
Sun 12/7Fri 12/12
DEN - MDW • Non-stop
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Flight Deals
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Flight Deals

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

Thu, Jan 8 - Sun, Jan 11
Frontier Logo
10:29 pm - 9:32 pmDEN-ORD
22h 03m1 stop
Frontier Logo
10:07 pm - 11:58 pmORD-DEN
2h 51mnonstop
$108Frontier
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Thu, Dec 4 - Mon, Dec 8
Frontier Logo
7:00 am - 2:04 pmDEN-MDW
6h 04m1 stop
Frontier Logo
12:18 pm - 2:02 pmMDW-DEN
2h 44mnonstop
$108Frontier
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Thu, Feb 19 - Mon, Feb 23
United Airlines Logo
6:00 pm - 11:59 pmDRO-ORD
4h 59m1 stop
United Airlines Logo
2:40 pm - 8:51 pmORD-DRO
7h 11m1 stop
$198United Airlines
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Fri, Feb 13 - Mon, Feb 16
United Airlines Logo
3:33 pm - 11:59 pmMTJ-ORD
7h 26m1 stop
United Airlines Logo
9:15 am - 12:02 pmORD-MTJ
3h 47mnonstop
$199United Airlines
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Fri, Jan 23 - Tue, Jan 27
Delta Logo
2:05 pm - 9:04 pmMTJ-ORD
5h 59m1 stop
Delta Logo
7:05 am - 1:08 pmORD-MTJ
7h 03m1 stop
$209Delta
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Thu, Jan 8 - Sat, Jan 10
Delta Logo
5:58 am - 12:41 pmGJT-ORD
5h 43m1 stop
Delta Logo
5:20 pm - 10:38 pmORD-GJT
6h 18m1 stop
$217Delta
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Sat, Feb 21 - Tue, Feb 24
American Airlines Logo
12:22 pm - 3:59 pmCOS-ORD
2h 37mnonstop
American Airlines Logo
9:50 am - 11:59 amORD-COS
3h 09mnonstop
$234American Airlines
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Tue, Dec 2 - Sat, Dec 6
American Airlines Logo
5:00 am - 1:38 pmGJT-ORD
7h 38m1 stop
American Airlines Logo
1:15 pm - 8:49 pmORD-GJT
8h 34m1 stop
$239American Airlines
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Fri, Dec 12 - Sun, Dec 14
Multiple Airlines Logo
9:50 am - 12:09 amCOS-ORD
13h 19m2 stops
Multiple Airlines Logo
8:45 am - 9:00 amORD-COS
25h 15m1 stop
$268Multiple Airlines
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Fri, Dec 19 - Sun, Dec 21
Multiple Airlines Logo
10:29 pm - 10:19 amDEN-RFD
10h 50m1 stop
Multiple Airlines Logo
12:45 pm - 11:51 pmRFD-DEN
12h 06m1 stop
$379Multiple Airlines
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Useful Info

Good to know

Low seasonJanuary
Cheapest flight$61
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly with an average 2% increase in price.
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 
Learn how KAYAK collects reviews and tips from users.
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.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
Saint Joseph
Hammond
Portage
Lansing
Valparaiso
Chesterton
Schererville
Munster
Porter
Monticello
Saint John
Griffith

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.
First Class flights to Chicagofrom $914
Business Class flights to Chicagofrom $453
Prem Econ Class flights to Chicagofrom $661
Economy Class flights to Chicagofrom $84