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Cheap flights from Denver to Chicago from $87

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 6/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:06 pm - 12:48 am
DEN
-
ORD
26h 42m
1 stop
Frontier Logo
9:48 pm - 11:54 pm
ORD
-
DEN
3h 06mnonstop
$181Frontier
Sun, Jun 14 - Thu, Jun 18
Frontier Logo
6:25 am - 10:01 am
DEN
-
ORD
2h 36mnonstop
Frontier Logo
10:40 pm - 12:29 am
ORD
-
DEN
2h 49mnonstop
$182Frontier
Sat, Nov 7 - Mon, Nov 9
Frontier Logo
6:30 am - 7:50 pm
DEN
-
ORD
12h 20m
1 stop
Frontier Logo
9:57 pm - 11:57 pm
ORD
-
DEN
3h 00mnonstop
$183Frontier
Fri, Jul 3 - Fri, Jul 10
Frontier Logo
7:26 pm - 5:07 am
DEN
-
ORD
8h 41m
1 stop
Frontier Logo
9:48 pm - 11:54 pm
ORD
-
DEN
3h 06mnonstop
$184Frontier
Mon, Jun 15 - Fri, Jun 19
Frontier Logo
9:58 am - 7:50 pm
DEN
-
ORD
8h 52m
1 stop
Frontier Logo
9:48 pm - 11:54 pm
ORD
-
DEN
3h 06mnonstop
$185Frontier
Fri, Jun 12 - Sat, Jun 20
Frontier Logo
12:47 pm - 5:07 am
DEN
-
ORD
15h 20m
1 stop
Frontier Logo
9:57 pm - 11:57 pm
ORD
-
DEN
3h 00mnonstop
$186Frontier
Sat, Jul 4 - Wed, Jul 8
Frontier Logo
5:05 pm - 8:43 pm
DEN
-
ORD
2h 38mnonstop
Frontier Logo
9:48 pm - 11:54 pm
ORD
-
DEN
3h 06mnonstop
$187Frontier
Tue, Jun 16 - Tue, Jun 23
Frontier Logo
6:30 am - 7:50 pm
DEN
-
ORD
12h 20m
1 stop
Frontier Logo
5:46 pm - 8:14 am
ORD
-
DEN
15h 28m
1 stop
$188Frontier
Tue, Jun 30 - Tue, Jul 7
Frontier Logo
6:25 am - 10:01 am
DEN
-
ORD
2h 36mnonstop
Frontier Logo
1:02 pm - 12:15 am
ORD
-
DEN
12h 13m
1 stop
$189Frontier
Sat, Nov 7 - Mon, Nov 9
Frontier Logo
11:46 pm - 7:53 am
DEN
-
ORD
7h 07m
1 stop
Frontier Logo
7:15 am - 6:00 pm
ORD
-
DEN
11h 45m
1 stop
$190Frontier
Tue, Aug 4 - Tue, Aug 11

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
Jun 14
DEN9:06 pmDenver Intl
26h 42m
1 stop
ORD12:48 amChicago O'Hare Intl
Jun 18
ORD9:48 pmChicago O'Hare Intl
3h 06m
DEN11:54 pmDenver Intl
$181
Frontier
Nov 7
DEN6:25 amDenver Intl
2h 36m
ORD10:01 amChicago O'Hare Intl
Nov 9
ORD10:40 pmChicago O'Hare Intl
2h 49m
DEN12:29 amDenver Intl
$182
Frontier
Jul 3
DEN6:30 amDenver Intl
12h 20m
1 stop
ORD7:50 pmChicago O'Hare Intl
Jul 10
ORD9:57 pmChicago O'Hare Intl
3h 00m
DEN11:57 pmDenver Intl
$183

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
Jun 10
DEN9:05 pmDenver Intl
2h 39m
ORD12:44 amChicago O'Hare Intl
Jun 16
ORD5:00 amChicago O'Hare Intl
2h 42m
DEN6:42 amDenver Intl
$217
United Airlines
Aug 5
DEN7:10 pmDenver Intl
2h 39m
ORD10:49 pmChicago O'Hare Intl
Aug 8
ORD6:17 pmChicago O'Hare Intl
3h 05m
DEN8:22 pmDenver Intl
$227

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 May 19, 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

DenverChicago

DEN - ORD

DENORD

Denver Intl

Sun 6/14

9:06 pm-12:48 am

1 stop26h 42m

Chicago O'Hare Intl

Thu 6/18

9:48 pm-11:54 pm

Nonstop3h 06m

$181
Quickest round-trip

DenverChicago

DEN - ORD

DENORD

Denver Intl

Sat 11/7

6:25 am-10:01 am

Nonstop2h 36m

Chicago O'Hare Intl

Mon 11/9

10:40 pm-12:29 am

Nonstop2h 49m

$182

DenverChicago

DEN - ORD

DENORD

Denver Intl

Fri 7/3

6:30 am-7:50 pm

1 stop12h 20m

Chicago O'Hare Intl

Fri 7/10

9:57 pm-11:57 pm

Nonstop3h 00m

$183

DenverChicago

DEN - ORD

DENORD

Denver Intl

Mon 6/15

7:26 pm-5:07 am

1 stop8h 41m

Chicago O'Hare Intl

Fri 6/19

9:48 pm-11:54 pm

Nonstop3h 06m

$184

DenverChicago

DEN - ORD

DENORD

Denver Intl

Fri 6/12

9:58 am-7:50 pm

1 stop8h 52m

Chicago O'Hare Intl

Sat 6/20

9:48 pm-11:54 pm

Nonstop3h 06m

$185

DenverChicago

DEN - ORD

DENORD

Denver Intl

Sat 7/4

12:47 pm-5:07 am

1 stop15h 20m

Chicago O'Hare Intl

Wed 7/8

9:57 pm-11:57 pm

Nonstop3h 00m

$186

DenverChicago

DEN - ORD

DENORD

Denver Intl

Tue 6/16

5:05 pm-8:43 pm

Nonstop2h 38m

Chicago O'Hare Intl

Tue 6/23

9:48 pm-11:54 pm

Nonstop3h 06m

$187

DenverChicago

DEN - ORD

DENORD

Denver Intl

Tue 6/30

6:30 am-7:50 pm

1 stop12h 20m

Chicago O'Hare Intl

Tue 7/7

5:46 pm-8:14 am

1 stop15h 28m

$188

DenverChicago

DEN - ORD

DENORD

Denver Intl

Sat 11/7

6:25 am-10:01 am

Nonstop2h 36m

Chicago O'Hare Intl

Mon 11/9

1:02 pm-12:15 am

1 stop12h 13m

$189

DenverChicago

DEN - ORD

DENORD

Denver Intl

Tue 8/4

11:46 pm-7:53 am

1 stop7h 07m

Chicago O'Hare Intl

Tue 8/11

7:15 am-6:00 pm

1 stop11h 45m

$190

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?

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

The month of September is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Denver averaging around $232.

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 $313. 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 $538.

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 $225 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $574. 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 $272 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 $204 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 May 2026, prices for Denver to Chicago O'Hare Intl Airport flights are approximately 110% 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

$150

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 $150. The best round-trip flight deal from Denver to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $293.
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 $75Free CancellationRating
5.6
2,945 reviews
Search Frontier flights
JetBluePriceFrom $126Free CancellationRating
7.2
2,983 reviews
Search JetBlue flights
SouthwestPriceFrom $157Free CancellationRating
7.9
4,284 reviews
Search Southwest flights
American AirlinesPriceFrom $164Free CancellationRating
7.1
11,645 reviews
Search American Airlines flights
United AirlinesPriceFrom $174Free CancellationRating
7.4
9,733 reviews
Search United Airlines flights

  • Southwest Flights From Denver to Chicago O'Hare Intl Airport

    Southwest operates around 6 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 $274, but momondo users have found Southwest deals from Denver to Chicago O'Hare Intl Airport from as low as $157 round-trip. Southwest has been scored 7.9/10 in 4,284 reviews.

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

    $174 is the best United Airlines flight deal from Denver to Chicago O'Hare Intl Airport found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $344, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 9,733 user reviews) flies into Chicago O'Hare Intl Airport from Denver 31 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
South Haven
Schaumburg
Rockford
Merrillville
Gurnee
Rosemont
Naperville
Orland Park
New Buffalo
Oak Brook
Kenosha
Joliet
Aurora
Racine
Janesville
Hammond
Evanston
Elgin
Tinley Park

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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