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Cheap flights from Colorado to Chicago from $103

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Chicago departing on 11/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colorado to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:25 am - 10:01 amDEN  Denver Intl-ORD Chicago O'Hare Intl
2h 36mnonstop
Frontier Logo
2:03 pm - 10:33 pmORD  Chicago O'Hare Intl-DEN Denver Intl
9h 30m1 stop Atlanta Hartsfield-Jackson
$169Frontier
Mon, Oct 19 - Tue, Oct 27
Frontier Logo
6:25 am - 10:01 amDEN  Denver Intl-ORD Chicago O'Hare Intl
2h 36mnonstop
Frontier Logo
11:06 am - 1:00 pmORD  Chicago O'Hare Intl-DEN Denver Intl
2h 54mnonstop
$170Frontier
Fri, Oct 23 - Mon, Oct 26
United Airlines Logo
5:48 pm - 9:29 pmDEN  Denver Intl-ORD Chicago O'Hare Intl
2h 41mnonstop
United Airlines Logo
5:00 am - 6:39 amORD  Chicago O'Hare Intl-DEN Denver Intl
2h 39mnonstop
$171United Airlines
Wed, Sep 2 - Mon, Sep 7
Multiple Airlines Logo
6:25 am - 10:01 amDEN  Denver Intl-ORD Chicago O'Hare Intl
2h 36mnonstop
Multiple Airlines Logo
6:14 pm - 11:46 pmORD  Chicago O'Hare Intl-DEN Denver Intl
6h 32m1 stop Minneapolis St Paul
$173Multiple Airlines
Wed, Oct 21 - Sun, Oct 25
Multiple Airlines Logo
9:10 pm - 11:48 amDEN  Denver Intl-ORD Chicago O'Hare Intl
13h 38m1 stop Minneapolis St Paul
Multiple Airlines Logo
6:30 am - 8:15 amORD  Chicago O'Hare Intl-DEN Denver Intl
2h 45mnonstop
$185Multiple Airlines
Fri, Sep 18 - Tue, Sep 22
American Airlines Logo
6:09 pm - 9:50 pmDEN  Denver Intl-ORD Chicago O'Hare Intl
2h 41mnonstop
American Airlines Logo
6:40 am - 8:33 amORD  Chicago O'Hare Intl-DEN Denver Intl
2h 53mnonstop
$187American Airlines
Fri, Oct 9 - Mon, Oct 12
American Airlines Logo
6:46 am - 10:30 amDEN  Denver Intl-ORD Chicago O'Hare Intl
2h 44mnonstop
American Airlines Logo
9:05 pm - 10:58 pmORD  Chicago O'Hare Intl-DEN Denver Intl
2h 53mnonstop
$187American Airlines
Fri, Oct 9 - Tue, Oct 13
United Airlines Logo
5:48 pm - 9:29 pmDEN  Denver Intl-ORD Chicago O'Hare Intl
2h 41mnonstop
United Airlines Logo
10:00 pm - 11:53 pmORD  Chicago O'Hare Intl-DEN Denver Intl
2h 53mnonstop
$189United Airlines
Wed, Sep 2 - Sun, Sep 6
JetBlue Logo
11:50 pm - 8:42 amDEN  Denver Intl-ORD Chicago O'Hare Intl
7h 52m1 stop New York John F Kennedy Intl
JetBlue Logo
7:00 am - 2:17 pmORD  Chicago O'Hare Intl-DEN Denver Intl
8h 17m1 stop New York John F Kennedy Intl
$513JetBlue
Sat, Sep 5 - Sat, Sep 12
JetBlue Logo
2:00 pm - 1:20 pmDEN  Denver Intl-ORD Chicago O'Hare Intl
22h 20m1 stop Boston Logan Intl
JetBlue Logo
8:24 pm - 2:34 pmORD  Chicago O'Hare Intl-DEN Denver Intl
19h 10m2 stops Boston Logan Intl New York John F Kennedy Intl
$531JetBlue
Fri, Nov 13 - Sun, Nov 15

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Frontier flights from Colorado to Chicago O'Hare Intl Airport

Our best Frontier deals on Colorado to Chicago O'Hare Intl Airport flight tickets
Frontier
Oct 19
DEN6:25 amDenver Intl
2h 36m
ORD10:01 amChicago O'Hare Intl
Oct 27
ORD2:03 pmChicago O'Hare Intl
9h 30m
1 stop
DEN10:33 pmDenver Intl
$169
Frontier
Oct 23
DEN6:25 amDenver Intl
2h 36m
ORD10:01 amChicago O'Hare Intl
Oct 26
ORD11:06 amChicago O'Hare Intl
2h 54m
DEN1:00 pmDenver Intl
$170
Frontier
Sep 21
DEN8:55 pmDenver Intl
2h 28m
ORD12:23 amChicago O'Hare Intl
Sep 24
ORD8:55 pmChicago O'Hare Intl
16h 56m
1 stop
DEN12:51 pmDenver Intl
$171

American Airlines flights from Colorado to Chicago O'Hare Intl Airport

Our best American Airlines deals on Colorado to Chicago O'Hare Intl Airport flight tickets
American Airlines
Oct 9
DEN6:09 pmDenver Intl
2h 41m
ORD9:50 pmChicago O'Hare Intl
Oct 12
ORD6:40 amChicago O'Hare Intl
2h 53m
DEN8:33 amDenver Intl
$187
American Airlines
Sep 17
COS12:37 pmColorado Springs
2h 53m
ORD4:30 pmChicago O'Hare Intl
Sep 22
ORD11:00 amChicago O'Hare Intl
6h 29m
1 stop
COS4:29 pmColorado Springs
$271
American Airlines
Sep 4
COS3:51 pmColorado Springs
6h 39m
1 stop
ORD11:30 pmChicago O'Hare Intl
Sep 11
ORD3:50 pmChicago O'Hare Intl
8h 05m
1 stop
COS10:55 pmColorado Springs
$297

momondo Fare Finder

 
Customize your flight search to find flights from Colorado to Chicago O'Hare Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 10, 2026.
Use the filters below to find and compare flights from Colorado to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverChicago

DEN Denver Intl - ORD Chicago O'Hare Intl

DENORD

Denver Intl

Mon 10/19

6:25 am-10:01 am

Nonstop2h 36m

Chicago O'Hare Intl

Tue 10/27

2:03 pm-10:33 pm

1 stop9h 30m

$169

DenverChicago

DEN Denver Intl - ORD Chicago O'Hare Intl

DENORD

Denver Intl

Fri 10/23

6:25 am-10:01 am

Nonstop2h 36m

Chicago O'Hare Intl

Mon 10/26

11:06 am-1:00 pm

Nonstop2h 54m

$170
Quickest round-trip

DenverChicago

DEN Denver Intl - ORD Chicago O'Hare Intl

DENORD

Denver Intl

Wed 9/2

5:48 pm-9:29 pm

Nonstop2h 41m

Chicago O'Hare Intl

Mon 9/7

5:00 am-6:39 am

Nonstop2h 39m

$171

DenverChicago

DEN Denver Intl - ORD Chicago O'Hare Intl

DENORD

Denver Intl

Wed 10/21

6:25 am-10:01 am

Nonstop2h 36m

Chicago O'Hare Intl

Sun 10/25

6:14 pm-11:46 pm

1 stop6h 32m

$173

DenverChicago

DEN Denver Intl - ORD Chicago O'Hare Intl

DENORD

Denver Intl

Fri 9/18

9:10 pm-11:48 am

1 stop13h 38m

Chicago O'Hare Intl

Tue 9/22

6:30 am-8:15 am

Nonstop2h 45m

$185

DenverChicago

DEN Denver Intl - ORD Chicago O'Hare Intl

DENORD

Denver Intl

Fri 10/9

6:09 pm-9:50 pm

Nonstop2h 41m

Chicago O'Hare Intl

Mon 10/12

6:40 am-8:33 am

Nonstop2h 53m

$187

DenverChicago

DEN Denver Intl - ORD Chicago O'Hare Intl

DENORD

Denver Intl

Fri 10/9

6:46 am-10:30 am

Nonstop2h 44m

Chicago O'Hare Intl

Tue 10/13

9:05 pm-10:58 pm

Nonstop2h 53m

$187

DenverChicago

DEN Denver Intl - ORD Chicago O'Hare Intl

DENORD

Denver Intl

Wed 9/2

5:48 pm-9:29 pm

Nonstop2h 41m

Chicago O'Hare Intl

Sun 9/6

10:00 pm-11:53 pm

Nonstop2h 53m

$189

DenverChicago

DEN Denver Intl - ORD Chicago O'Hare Intl

DENORD

Denver Intl

Sat 9/5

11:50 pm-8:42 am

1 stop7h 52m

Chicago O'Hare Intl

Sat 9/12

7:00 am-2:17 pm

1 stop8h 17m

$513

DenverChicago

DEN Denver Intl - ORD Chicago O'Hare Intl

DENORD

Denver Intl

Fri 11/13

2:00 pm-1:20 pm

1 stop22h 20m

Chicago O'Hare Intl

Sun 11/15

8:24 pm-2:34 pm

2 stops19h 10m

$531

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from Colorado to Chicago O'Hare Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of February is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Colorado averaging around $267.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Thursday when prices can be found for as low as $327. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Colorado because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $563.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Colorado in the evening is the least expensive time of day to depart. momondo users have found prices as low as $253 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $571. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Colorado to Chicago O'Hare Intl flight route?

Fly from Denver Intl to Chicago O'Hare Intl for the best Colorado - Chicago O'Hare Intl flight prices

How far in advance should I book a flight from Colorado to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $293 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Colorado for as low as $240 on momondo.

What cabin class options are available on Colorado to Chicago O'Hare Intl Airport flights?

There are 4 cabin classes available to choose from on Colorado to Chicago O'Hare Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Colorado to Chicago O'Hare Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Colorado to Chicago O'Hare Intl Airport.

Cheap Colorado to Chicago O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Chicago O'Hare Intl Airport

Best Price Found

$157

Fastest flight time

2h 23m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Colorado in the past 72 hours is $157. The best round-trip flight deal from Colorado to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $267.
The fastest flight from Colorado to Chicago O'Hare Intl Airport takes 2h 23m
Direct flights go from Colorado to Chicago O'Hare Intl Airport every day.
Search flight deals

Frequently asked questions about flying from Colorado to Chicago O'Hare Intl Airport

  • When did momondo last update prices for flights from Colorado to Chicago O'Hare Intl Airport?

    Prices for flights from Colorado to Chicago O'Hare Intl Airport refresh daily.

  • How many operators does momondo search for flights from Colorado to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Colorado to Chicago O'Hare Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Colorado to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Colorado to Chicago O'Hare Intl Airport?

Best airlines flying from Colorado to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Colorado to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $77Free CancellationRating
5.6
2,706 reviews
Search Frontier flights
JetBluePriceFrom $126Free CancellationRating
7.1
3,034 reviews
Search JetBlue flights
American AirlinesPriceFrom $169Free CancellationRating
7.1
11,902 reviews
Search American Airlines flights
SouthwestPriceFrom $170Free CancellationRating
8.0
4,218 reviews
Search Southwest flights
United AirlinesPriceFrom $180Free CancellationRating
7.4
10,102 reviews
Search United Airlines flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
Merrillville
Rockford
South Haven
Gurnee
Rosemont
Oak Brook
Orland Park
Naperville
Joliet
New Buffalo
Kenosha
Hammond
Racine
Aurora
Janesville
Elgin
South Holland
Evanston

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Chicago?

It is quick and easy to find Colorado to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

Can I find flights from Colorado to Chicago with flexible booking policies on momondo?

All flight searches from Colorado to Chicago on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Colorado to Chicago?

momondo helps you find the best flight between Colorado and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Colorado to Chicago right now. Can momondo alert me if prices change?

Price alerts on flights to Chicago from Colorado are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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