$73 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 1/29. 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
$103
Overall average: $241
Frontier
Thu 3/12Wed 3/18
DEN - ORD • Non-stop
Cheapest non-stop
$107
Typical prices: $126-$315
Frontier
Sun 2/1Sun 2/8
DEN - ORD • Non-stop
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Flight Deals
Useful Info
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, Mar 12 - Wed, Mar 18
Frontier Logo
6:00 am - 9:43 am
DEN
-
ORD
2h 43mnonstop
Frontier Logo
5:01 am - 12:09 pm
ORD
-
DEN
8h 08m
1 stop
$103Frontier
Thu, Feb 5 - Sat, Feb 7
Frontier Logo
2:57 pm - 6:31 pm
DEN
-
ORD
2h 34mnonstop
Frontier Logo
9:15 am - 6:59 pm
ORD
-
DEN
10h 44m
1 stop
$104Frontier
Fri, Feb 27 - Mon, Mar 2
American Airlines Logo
4:43 pm - 12:55 am
DRO
-
ORD
7h 12m
1 stop
American Airlines Logo
5:00 am - 11:07 am
ORD
-
DRO
7h 07m
1 stop
$200American Airlines
Wed, Feb 4 - Tue, Feb 10
United Airlines Logo
6:10 pm - 11:59 pm
GJT
-
ORD
4h 49m
1 stop
United Airlines Logo
2:36 pm - 8:38 pm
ORD
-
GJT
7h 02m
1 stop
$211United Airlines
Fri, Jan 30 - Mon, Feb 2
United Airlines Logo
6:10 pm - 11:59 pm
GJT
-
ORD
4h 49m
1 stop
United Airlines Logo
2:36 pm - 8:38 pm
ORD
-
GJT
7h 02m
1 stop
$225United Airlines
Tue, May 19 - Wed, May 27
American Airlines Logo
12:25 pm - 4:10 pm
COS
-
ORD
2h 45mnonstop
American Airlines Logo
9:40 am - 11:42 am
ORD
-
COS
3h 02mnonstop
$229American Airlines
Thu, Feb 26 - Sat, Feb 28
Southwest Logo
6:00 am - 2:05 pm
COS
-
ORD
7h 05m
1 stop
Southwest Logo
2:15 pm - 11:05 pm
ORD
-
COS
9h 50m
1 stop
$235Southwest
Wed, Feb 4 - Sat, Feb 7
Southwest Logo
3:10 pm - 10:35 pm
COS
-
ORD
6h 25m
1 stop
Southwest Logo
1:00 pm - 6:50 pm
ORD
-
COS
6h 50m
1 stop
$242Southwest
Wed, Feb 4 - Tue, Feb 10
Delta Logo
7:40 am - 1:38 pm
GJT
-
ORD
4h 58m
1 stop
Delta Logo
1:58 pm - 10:02 pm
ORD
-
GJT
9h 04m
2 stops
$242Delta
Wed, Feb 4 - Tue, Feb 10
Delta Logo
7:40 am - 5:55 pm
GJT
-
ORD
9h 15m
2 stops
Delta Logo
1:58 pm - 10:02 pm
ORD
-
GJT
9h 04m
2 stops
$248Delta
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$73
Best time to beat the crowds with an average 11% 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 Southwest
DEN
-
ORD
Oct 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 Airlines
DEN
-
ORD
Jan 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 $404
Business Class flights to Chicagofrom $521
Prem Econ Class flights to Chicagofrom $690
Economy Class flights to Chicagofrom $89