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>

$83 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 23% 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.

Cheapest round-trip

$134

Overall average: $259

Frontier

อ. 3/10อ. 3/17

DEN - ORD • 1 stop

Cheapest non-stop

$135

Typical prices: $182-$311

Frontier

พ. 4/8ส. 4/11

DEN - ORD • Non-stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Chicago!

Flight Deals

Cheap Flights from Colorado to Chicago

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

อ., มี.ค. 10 - อ., มี.ค. 17

11:59 pm - 8:23 am

DEN

ORD

7h 24m

1 stop

4:28 pm - 7:13 am

ORD

DEN

15h 45m

1 stop

$134Frontier

พฤ., มี.ค. 5 - จ., มี.ค. 9

10:30 pm - 10:41 pm

DEN

MDW

23h 11m

1 stop

6:05 am - 11:59 am

MDW

DEN

30h 54m

1 stop

$134Frontier

อ., มี.ค. 10 - อ., มี.ค. 17

1:32 pm - 8:00 pm

COS

ORD

5h 28m

1 stop

8:50 am - 11:00 am

ORD

COS

3h 10mnonstop

$201United Airlines

พฤ., เม.ย. 16 - อา., เม.ย. 19

6:46 pm - 2:49 pm

COS

MDW

19h 03m

1 stop

6:15 am - 5:56 pm

MDW

COS

12h 41m

1 stop

$202Multiple Airlines

พฤ., เม.ย. 16 - อา., เม.ย. 19

6:46 pm - 4:53 pm

COS

ORD

21h 07m

1 stop

7:43 am - 5:56 pm

ORD

COS

11h 13m

1 stop

$202Multiple Airlines

อ., มี.ค. 10 - อ., มี.ค. 17

6:00 am - 11:19 am

COS

ORD

4h 19m

1 stop

2:01 pm - 6:20 pm

ORD

COS

5h 19m

1 stop

$211United Airlines

พฤ., เม.ย. 9 - อ., เม.ย. 14

12:10 pm - 9:34 pm

COS

ORD

8h 24m

1 stop

5:10 am - 12:17 pm

ORD

COS

8h 07m

1 stop

$221Delta

พฤ., เม.ย. 9 - อ., เม.ย. 14

12:10 pm - 9:34 pm

COS

ORD

8h 24m

1 stop

10:49 am - 8:20 pm

ORD

COS

10h 31m

2 stops

$226Delta

อ., ก.พ. 24 - ส., ก.พ. 28

4:43 pm - 11:36 pm

DRO

ORD

5h 53m

1 stop

5:00 am - 9:52 am

ORD

DRO

5h 52m

1 stop

$228American Airlines

อ., เม.ย. 7 - อ., เม.ย. 21

12:22 pm - 4:09 pm

COS

ORD

2h 47mnonstop

9:53 am - 11:52 am

ORD

COS

2h 59mnonstop

$229American Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$83

Best time to beat the crowds with an average 19% drop in price.

Most popular time to fly with an average 5% increase in price.

Flight from Denver to Chicago O'Hare Airport

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…

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

Lansing

Valparaiso

Chesterton

Schererville

Munster

Porter

Monticello

Griffith

Saint John

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 $493

Business Class flights to Chicagofrom $455

Premium Economy Class flights to Chicagofrom $1,029

Economy Class flights to Chicagofrom $128

$83 Find Cheap Flights from Colorado to Chicago

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

Everything you should know

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