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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$46 CHEAP FLIGHTS from Colorado to Chicago

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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.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Colorado to Chicago

Wed, Jul 23 - Sun, Jul 27

8:31 pm - 12:10 amDEN-ORD

2h 39mnonstop

5:40 am - 7:30 amORD-DEN

2h 50mnonstop

$97Frontier

Find Deal

Thu, Jul 24 - Mon, Jul 28

5:26 pm - 8:54 pmDEN-MDW

2h 28mnonstop

12:35 pm - 2:19 pmMDW-DEN

2h 44mnonstop

$97Frontier

Find Deal

Thu, Sep 11 - Mon, Sep 15

9:45 am - 1:10 pmCOS-MDW

2h 25mnonstop

7:45 am - 9:10 amMDW-COS

2h 25mnonstop

$181Southwest

Find Deal

Tue, Aug 26 - Sat, Sep 6

12:07 pm - 3:50 pmCOS-ORD

2h 43mnonstop

10:00 am - 11:53 amORD-COS

2h 53mnonstop

$181American Airlines

Find Deal

Tue, Aug 5 - Tue, Aug 12

12:05 pm - 3:45 pmCOS-ORD

2h 40mnonstop

9:15 am - 11:08 amORD-COS

2h 53mnonstop

$189United Airlines

Find Deal

Tue, Aug 26 - Sat, Sep 6

11:55 am - 3:15 pmCOS-MDW

2h 20mnonstop

11:25 am - 4:15 pmMDW-COS

5h 50m1 stop

$191Southwest

Find Deal

Wed, Aug 27 - Mon, Sep 1

1:55 pm - 7:57 pmCOS-ORD

5h 02m1 stop

9:07 am - 10:56 amORD-COS

2h 49mnonstop

$191United Airlines

Find Deal

Wed, Sep 10 - Sat, Sep 13

12:14 pm - 4:12 pmASE-ORD

2h 58mnonstop

9:31 am - 11:41 amORD-ASE

3h 10mnonstop

$210American Airlines

Find Deal

Tue, Aug 5 - Tue, Aug 12

2:22 pm - 12:09 amCOS-ORD

8h 47m1 stop

11:15 am - 10:18 pmORD-COS

12h 03m2 stops

$222Delta

Find Deal

Tue, Aug 5 - Tue, Aug 12

5:55 pm - 7:49 amCOS-ORD

12h 54m2 stops

2:00 pm - 10:18 pmORD-COS

9h 18m2 stops

$227Delta

Find Deal

Useful Info

Low season	January
High season	July
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

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…

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

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Cabin class types available on flights to Colorado

First Class flights to Chicagofrom $514

Business Class flights to Chicagofrom $837

Prem Econ Class flights to Chicagofrom $401

Economy Class flights to Chicagofrom $163

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

$46 Find Cheap Flights from Colorado to Chicago

KAYAK searches hundreds of travel sites at once for deals on flights to Chicago

Cheap Flights from Colorado to Chicago

Recent round-trip flight deals from Colorado to Chicago

Recent one-way flight deals from Colorado to Chicago

Recent last minute flight deals from Colorado to Chicago

Recent direct flight deals from Colorado to Chicago

Good to know

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

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

Complete your trip to Chicago with a hotel stay or car rental

Find direct flights for Chicago

Flights to other popular destinations

Flights from domestic origins to Chicago

Choose which airport to fly into in Chicago

Find deals for your return flight