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>

$61 CHEAP FLIGHTS from Colorado to Chicago

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

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

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.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Colorado to Chicago

Mon, Oct 20 - Wed, Oct 22

9:26 pm - 12:59 amDEN-ORD

2h 33mnonstop

7:15 am - 9:04 amORD-DEN

2h 49mnonstop

$112Frontier

Find Deal

Tue, Sep 30 - Wed, Oct 1

5:50 pm - 9:28 pmDEN-ORD

2h 38mnonstop

7:20 am - 9:13 amORD-DEN

2h 53mnonstop

$113Frontier

Find Deal

Tue, Sep 30 - Tue, Oct 7

5:50 am - 9:10 amDEN-MDW

2h 20mnonstop

4:35 pm - 6:15 pmMDW-DEN

2h 40mnonstop

$143Southwest

Find Deal

Mon, Sep 22 - Wed, Sep 24

8:45 pm - 12:05 amDEN-MDW

2h 20mnonstop

8:50 pm - 10:25 pmMDW-DEN

2h 35mnonstop

$147Southwest

Find Deal

Wed, Oct 15 - Sat, Oct 18

8:28 pm - 11:59 pmDEN-ORD

2h 31mnonstop

5:01 am - 6:42 amORD-DEN

2h 41mnonstop

$147United Airlines

Find Deal

Sat, Oct 25 - Sat, Nov 1

6:00 am - 2:58 pmCOS-ORD

7h 58m1 stop

1:26 pm - 6:11 pmORD-COS

5h 45m1 stop

$217Delta

Find Deal

Thu, Oct 23 - Mon, Oct 27

6:00 am - 6:25 pmCOS-MDW

11h 25m2 stops

6:00 am - 12:11 pmMDW-COS

7h 11m1 stop

$222Delta

Find Deal

Sat, Oct 25 - Sat, Nov 1

12:05 pm - 3:49 pmCOS-ORD

2h 44mnonstop

9:40 am - 11:34 amORD-COS

2h 54mnonstop

$229American Airlines

Find Deal

Thu, Sep 25 - Sat, Sep 27

6:00 am - 9:41 amCOS-ORD

2h 41mnonstop

5:01 am - 10:40 amORD-COS

6h 39m1 stop

$237United Airlines

Find Deal

Thu, Sep 25 - Sun, Sep 28

12:14 pm - 4:12 pmASE-ORD

2h 58mnonstop

9:31 am - 11:41 amORD-ASE

3h 10mnonstop

$251American Airlines

Find Deal

Useful Info

Low season	January
High season	August
Cheapest flight	$61

Best time to beat the crowds with an average 11% drop in price.

Most popular time to fly with an average 3% increase in price.

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.

Merrillville

Saint Joseph

Hammond

Portage

Valparaiso

Lansing

Chesterton

Munster

Schererville

Porter

Monticello

Saint John

Griffith

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 $647

Business Class flights to Chicagofrom $411

Prem Econ Class flights to Chicagofrom $411

Economy Class flights to Chicagofrom $95

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

$61 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.

Traveling to a place near Chicago?

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