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Cheap flights from Denver 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 Denver to Chicago departing on 10/9. 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 Denver to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:55 pm - 12:24 amDEN  Denver Intl-ORD Chicago O'Hare Intl
2h 29mnonstop
Frontier Logo
6:30 am - 8:19 amORD  Chicago O'Hare Intl-DEN Denver Intl
2h 49mnonstop
$160Frontier
Mon, Oct 19 - Sun, Oct 25
Frontier Logo
8:55 pm - 12:23 amDEN  Denver Intl-ORD Chicago O'Hare Intl
2h 28mnonstop
Frontier Logo
3:50 pm - 7:52 amORD  Chicago O'Hare Intl-DEN Denver Intl
17h 02m1 stop Orlando
$160Frontier
Fri, Sep 25 - Mon, Sep 28
United Airlines Logo
7:10 pm - 10:46 pmDEN  Denver Intl-ORD Chicago O'Hare Intl
2h 36mnonstop
United Airlines Logo
10:00 pm - 11:53 pmORD  Chicago O'Hare Intl-DEN Denver Intl
2h 53mnonstop
$165United Airlines
Wed, Oct 7 - Tue, Oct 13
United Airlines Logo
6:18 pm - 10:00 pmDEN  Denver Intl-ORD Chicago O'Hare Intl
2h 42mnonstop
United Airlines Logo
5:00 am - 6:39 amORD  Chicago O'Hare Intl-DEN Denver Intl
2h 39mnonstop
$165United Airlines
Wed, Sep 23 - Sat, Sep 26
American Airlines Logo
8:05 am - 11:45 amDEN  Denver Intl-ORD Chicago O'Hare Intl
2h 40mnonstop
American Airlines Logo
10:35 pm - 12:26 amORD  Chicago O'Hare Intl-DEN Denver Intl
2h 51mnonstop
$165American Airlines
Thu, Nov 12 - Mon, Nov 16
American Airlines Logo
2:27 pm - 6:11 pmDEN  Denver Intl-ORD Chicago O'Hare Intl
2h 44mnonstop
American Airlines Logo
6:41 pm - 8:35 pmORD  Chicago O'Hare Intl-DEN Denver Intl
2h 54mnonstop
$165American Airlines
Sat, Sep 26 - Mon, Sep 28
Multiple Airlines Logo
10:38 am - 7:08 pmDEN  Denver Intl-ORD Chicago O'Hare Intl
7h 30m1 stop Minneapolis St Paul
Multiple Airlines Logo
2:46 pm - 9:41 pmORD  Chicago O'Hare Intl-DEN Denver Intl
7h 55m1 stop Houston George Bush Intcntl
$175Multiple Airlines
Wed, Oct 14 - Tue, Oct 27
Multiple Airlines Logo
8:55 pm - 12:23 amDEN  Denver Intl-ORD Chicago O'Hare Intl
2h 28mnonstop
Multiple Airlines Logo
11:47 am - 3:41 pmORD  Chicago O'Hare Intl-DEN Denver Intl
4h 54m1 stop Minneapolis St Paul
$177Multiple Airlines
Sat, Sep 19 - Mon, Sep 21
JetBlue Logo
12:59 am - 7:56 amDEN  Denver Intl-ORD Chicago O'Hare Intl
5h 57m1 stop Detroit Metropolitan Wayne County
JetBlue Logo
6:10 am - 10:03 amORD  Chicago O'Hare Intl-DEN Denver Intl
4h 53m1 stop Minneapolis St Paul
$210JetBlue
Wed, Sep 23 - Sun, Sep 27
JetBlue Logo
1:40 pm - 5:43 pmDEN  Denver Intl-ORD Chicago O'Hare Intl
27h 03m1 stop Boston Logan Intl
JetBlue Logo
7:40 am - 10:42 amORD  Chicago O'Hare Intl-DEN Denver Intl
28h 02m2 stops Boston Logan Intl New York John F Kennedy Intl
$408JetBlue
Tue, Jan 12 - Wed, Jan 20

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Frontier flights from Denver to Chicago O'Hare Intl Airport

Our best Frontier deals on Denver to Chicago O'Hare Intl Airport flight tickets
Frontier
Sep 25
DEN8:55 pmDenver Intl
2h 28m
ORD12:23 amChicago O'Hare Intl
Sep 28
ORD3:50 pmChicago O'Hare Intl
17h 02m
1 stop
DEN7:52 amDenver Intl
$160
Frontier
Oct 11
DEN8:55 pmDenver Intl
2h 29m
ORD12:24 amChicago O'Hare Intl
Oct 14
ORD6:30 amChicago O'Hare Intl
2h 49m
DEN8:19 amDenver Intl
$161
Frontier
Sep 5
DEN9:21 pmDenver Intl
26h 28m
1 stop
ORD12:49 amChicago O'Hare Intl
Sep 7
ORD9:10 pmChicago O'Hare Intl
26h 50m
1 stop
DEN11:00 pmDenver Intl
$162

United Airlines flights from Denver to Chicago O'Hare Intl Airport

Our best United Airlines deals on Denver to Chicago O'Hare Intl Airport flight tickets
United Airlines
Oct 10
DEN6:10 pmDenver Intl
2h 42m
ORD9:52 pmChicago O'Hare Intl
Oct 13
ORD10:00 pmChicago O'Hare Intl
2h 53m
DEN11:53 pmDenver Intl
$165
United Airlines
Sep 10
DEN5:48 pmDenver Intl
2h 42m
ORD9:30 pmChicago O'Hare Intl
Sep 17
ORD5:55 amChicago O'Hare Intl
2h 39m
DEN7:34 amDenver Intl
$171
United Airlines
Oct 9
DEN8:29 pmDenver Intl
2h 30m
ORD11:59 pmChicago O'Hare Intl
Oct 12
ORD5:00 amChicago O'Hare Intl
2h 39m
DEN6:39 amDenver Intl
$187

momondo Fare Finder

 
Customize your flight search to find flights from Denver 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 17, 2026.
Use the filters below to find and compare flights from Denver to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DenverChicago

DEN Denver Intl - ORD Chicago O'Hare Intl

DENORD

Denver Intl

Mon 10/19

8:55 pm-12:24 am

Nonstop2h 29m

Chicago O'Hare Intl

Sun 10/25

6:30 am-8:19 am

Nonstop2h 49m

$160

DenverChicago

DEN Denver Intl - ORD Chicago O'Hare Intl

DENORD

Denver Intl

Fri 9/25

8:55 pm-12:23 am

Nonstop2h 28m

Chicago O'Hare Intl

Mon 9/28

3:50 pm-7:52 am

1 stop17h 02m

$160

DenverChicago

DEN Denver Intl - ORD Chicago O'Hare Intl

DENORD

Denver Intl

Wed 10/7

7:10 pm-10:46 pm

Nonstop2h 36m

Chicago O'Hare Intl

Tue 10/13

10:00 pm-11:53 pm

Nonstop2h 53m

$165

DenverChicago

DEN Denver Intl - ORD Chicago O'Hare Intl

DENORD

Denver Intl

Wed 9/23

6:18 pm-10:00 pm

Nonstop2h 42m

Chicago O'Hare Intl

Sat 9/26

5:00 am-6:39 am

Nonstop2h 39m

$165

DenverChicago

DEN Denver Intl - ORD Chicago O'Hare Intl

DENORD

Denver Intl

Thu 11/12

8:05 am-11:45 am

Nonstop2h 40m

Chicago O'Hare Intl

Mon 11/16

10:35 pm-12:26 am

Nonstop2h 51m

$165

DenverChicago

DEN Denver Intl - ORD Chicago O'Hare Intl

DENORD

Denver Intl

Sat 9/26

2:27 pm-6:11 pm

Nonstop2h 44m

Chicago O'Hare Intl

Mon 9/28

6:41 pm-8:35 pm

Nonstop2h 54m

$165

DenverChicago

DEN Denver Intl - ORD Chicago O'Hare Intl

DENORD

Denver Intl

Wed 10/14

10:38 am-7:08 pm

1 stop7h 30m

Chicago O'Hare Intl

Tue 10/27

2:46 pm-9:41 pm

1 stop7h 55m

$175

DenverChicago

DEN Denver Intl - ORD Chicago O'Hare Intl

DENORD

Denver Intl

Sat 9/19

8:55 pm-12:23 am

Nonstop2h 28m

Chicago O'Hare Intl

Mon 9/21

11:47 am-3:41 pm

1 stop4h 54m

$177

DenverChicago

DEN Denver Intl - ORD Chicago O'Hare Intl

DENORD

Denver Intl

Wed 9/23

12:59 am-7:56 am

1 stop5h 57m

Chicago O'Hare Intl

Sun 9/27

6:10 am-10:03 am

1 stop4h 53m

$210

DenverChicago

DEN Denver Intl - ORD Chicago O'Hare Intl

DENORD

Denver Intl

Tue 1/12

1:40 pm-5:43 pm

1 stop27h 03m

Chicago O'Hare Intl

Wed 1/20

7:40 am-10:42 am

2 stops28h 02m

$408

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 Denver 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 typical price of a round-trip flight between Denver and Chicago O'Hare Intl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $217 to $386.
The lowest price recently found on this route was $160.

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

The month of November is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Denver averaging around $249.

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 Friday when prices can be found for as low as $329. 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 Denver because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $566.

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 Denver in the evening is the least expensive time of day to depart. momondo users have found prices as low as $254 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $575. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

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

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $295 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 Denver for as low as $244 on momondo.

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

There are 4 cabin classes available to choose from on Denver 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.

How have Denver to Chicago O'Hare Intl Airport flight prices changed over time?

As of August 2026, prices for Denver to Chicago O'Hare Intl Airport flights are approximately 107% more expensive when compared to flights at the same time last year.

When to book flights from Denver to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Denver to Chicago O'Hare Intl Airport (DEN to ORD) flight deals and tips

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

Best Price Found

$153

Fastest flight time

2h 23m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Denver in the past 72 hours is $153. The best round-trip flight deal from Denver to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $273.
The fastest flight from Denver to Chicago O'Hare Intl Airport takes 2h 23m
Direct flights go from Denver to Chicago O'Hare Intl Airport every day.
Search flight deals

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

  • How far is Denver Intl to Chicago O'Hare Intl by plane?

    The distance between Denver Intl and Chicago O'Hare Intl is about 903.7 mi. Typically, this will take 2h 23m by plane in normal conditions.

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

    Prices for flights from Denver Intl Airport to Chicago O'Hare Intl Airport are refreshed on a daily basis.

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

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

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

    The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

  • What is the most popular airline from Denver to Chicago O'Hare Intl Airport?

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

Compare and see reviews for airlines that fly from Denver to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $78Free CancellationRating
5.6
2,681 reviews
Search Frontier flights
JetBluePriceFrom $126Free CancellationRating
7.1
3,030 reviews
Search JetBlue flights
American AirlinesPriceFrom $169Free CancellationRating
7.1
11,946 reviews
Search American Airlines flights
SouthwestPriceFrom $170Free CancellationRating
8.0
4,217 reviews
Search Southwest flights
United AirlinesPriceFrom $181Free CancellationRating
7.4
10,106 reviews
Search United Airlines flights

  • United Airlines Flights From Denver to Chicago O'Hare Intl Airport

    United Airlines operates around 83 flights from Denver to Chicago O'Hare Intl Airport every week. The average price of these flights found in the last 72 hours has been $363, but momondo users have found United Airlines deals from Denver to Chicago O'Hare Intl Airport from as low as $181 round-trip. United Airlines has been scored 7.4/10 in 10,106 reviews.

  • American Airlines Flights From Denver to Chicago O'Hare Intl Airport

    $169 is the best American Airlines flight deal from Denver to Chicago O'Hare Intl Airport found on momondo over the last 72 hours. The average American Airlines ticket price found was closer to $296, however, with flight time and availability significantly affecting the price. American Airlines (7.1/10 from 11,946 user reviews) flies into Chicago O'Hare Intl Airport from Denver 32 times in an average week so prices can vary.

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
Evanston
South Holland

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Denver to Chicago. momondo saves you time and could save you money on your trip.

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

Flights from Denver to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Denver to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Chicago from Denver. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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