Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Denver to Chicago from $83

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 3/12. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Denver to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:00 am - 9:43 am
DEN
-
ORD
2h 43mnonstop
Frontier Logo
6:20 pm - 8:24 pm
ORD
-
DEN
3h 04mnonstop
$135Frontier
Thu, Mar 12 - Mon, Mar 16
Frontier Logo
9:00 pm - 1:14 am
DEN
-
ORD
27h 14m
1 stop
Frontier Logo
3:29 pm - 5:37 pm
ORD
-
DEN
3h 08mnonstop
$136Frontier
Sun, Apr 5 - Wed, Apr 8
Frontier Logo
9:49 am - 5:50 am
DEN
-
ORD
19h 01m
1 stop
Frontier Logo
4:21 pm - 9:58 pm
ORD
-
DEN
6h 37m
1 stop
$137Frontier
Sat, May 2 - Wed, May 6
Frontier Logo
6:15 am - 9:50 am
DEN
-
ORD
2h 35mnonstop
Frontier Logo
10:55 am - 12:58 pm
ORD
-
DEN
3h 03mnonstop
$138Frontier
Fri, May 1 - Sun, May 3
Frontier Logo
9:00 pm - 12:38 am
DEN
-
ORD
2h 38mnonstop
Frontier Logo
10:55 am - 12:58 pm
ORD
-
DEN
3h 03mnonstop
$139Frontier
Sat, Apr 11 - Thu, Apr 16
Frontier Logo
6:15 am - 9:50 am
DEN
-
ORD
2h 35mnonstop
Frontier Logo
10:55 am - 12:58 pm
ORD
-
DEN
3h 03mnonstop
$140Frontier
Fri, Apr 17 - Sun, Apr 19
Frontier Logo
12:59 am - 10:51 am
DEN
-
ORD
8h 52m
1 stop
Frontier Logo
4:28 pm - 7:13 am
ORD
-
DEN
15h 45m
1 stop
$141Frontier
Mon, Mar 2 - Tue, Mar 10
Frontier Logo
6:15 am - 9:50 am
DEN
-
ORD
2h 35mnonstop
Frontier Logo
10:55 am - 12:58 pm
ORD
-
DEN
3h 03mnonstop
$142Frontier
Fri, May 1 - Sun, May 3
Frontier Logo
9:19 pm - 12:57 am
DEN
-
ORD
2h 38mnonstop
Frontier Logo
6:10 pm - 7:13 am
ORD
-
DEN
14h 03m
1 stop
$143Frontier
Fri, Mar 6 - Mon, Mar 9
American Airlines Logo
6:11 am - 9:47 am
DEN
-
ORD
2h 36mnonstop
American Airlines Logo
10:16 pm - 11:59 pm
ORD
-
DEN
2h 43mnonstop
$144American Airlines
Thu, Apr 9 - Sun, Apr 12

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
Mar 12
DEN6:00 amDenver Intl
2h 43m
ORD9:43 amChicago O'Hare Intl
Mar 16
ORD6:20 pmChicago O'Hare Intl
3h 04m
DEN8:24 pmDenver Intl
$135
Frontier
Apr 5
DEN9:00 pmDenver Intl
27h 14m
1 stop
ORD1:14 amChicago O'Hare Intl
Apr 8
ORD3:29 pmChicago O'Hare Intl
3h 08m
DEN5:37 pmDenver Intl
$136
Frontier
May 2
DEN9:49 amDenver Intl
19h 01m
1 stop
ORD5:50 amChicago O'Hare Intl
May 6
ORD4:21 pmChicago O'Hare Intl
6h 37m
1 stop
DEN9:58 pmDenver Intl
$137

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

Our best American Airlines deals on Denver to Chicago O'Hare Intl Airport flight tickets
American Airlines
Jun 25
DEN7:05 amDenver Intl
2h 38m
ORD10:43 amChicago O'Hare Intl
Jun 28
ORD6:45 amChicago O'Hare Intl
2h 39m
DEN8:24 amDenver Intl
$144
American Airlines
Mar 3
DEN6:50 amDenver Intl
2h 37m
ORD10:27 amChicago O'Hare Intl
Mar 7
ORD6:50 amChicago O'Hare Intl
2h 57m
DEN8:47 amDenver Intl
$167
American Airlines
Feb 27
DEN7:00 amDenver Intl
2h 37m
ORD10:37 amChicago O'Hare Intl
Mar 1
ORD6:50 amChicago O'Hare Intl
2h 57m
DEN8:47 amDenver Intl
$176

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 February 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

DenverChicago

DEN - ORD

DENORD

Denver Intl

Thu 3/12

6:00 am-9:43 am

Nonstop2h 43m

Chicago O'Hare Intl

Mon 3/16

6:20 pm-8:24 pm

Nonstop3h 04m

$135

DenverChicago

DEN - ORD

DENORD

Denver Intl

Sun 4/5

9:00 pm-1:14 am

1 stop27h 14m

Chicago O'Hare Intl

Wed 4/8

3:29 pm-5:37 pm

Nonstop3h 08m

$136

DenverChicago

DEN - ORD

DENORD

Denver Intl

Sat 5/2

9:49 am-5:50 am

1 stop19h 01m

Chicago O'Hare Intl

Wed 5/6

4:21 pm-9:58 pm

1 stop6h 37m

$137

DenverChicago

DEN - ORD

DENORD

Denver Intl

Fri 5/1

6:15 am-9:50 am

Nonstop2h 35m

Chicago O'Hare Intl

Sun 5/3

10:55 am-12:58 pm

Nonstop3h 03m

$138

DenverChicago

DEN - ORD

DENORD

Denver Intl

Sat 4/11

9:00 pm-12:38 am

Nonstop2h 38m

Chicago O'Hare Intl

Thu 4/16

10:55 am-12:58 pm

Nonstop3h 03m

$139

DenverChicago

DEN - ORD

DENORD

Denver Intl

Fri 4/17

6:15 am-9:50 am

Nonstop2h 35m

Chicago O'Hare Intl

Sun 4/19

10:55 am-12:58 pm

Nonstop3h 03m

$140

DenverChicago

DEN - ORD

DENORD

Denver Intl

Mon 3/2

12:59 am-10:51 am

1 stop8h 52m

Chicago O'Hare Intl

Tue 3/10

4:28 pm-7:13 am

1 stop15h 45m

$141

DenverChicago

DEN - ORD

DENORD

Denver Intl

Fri 5/1

6:15 am-9:50 am

Nonstop2h 35m

Chicago O'Hare Intl

Sun 5/3

10:55 am-12:58 pm

Nonstop3h 03m

$142

DenverChicago

DEN - ORD

DENORD

Denver Intl

Fri 3/6

9:19 pm-12:57 am

Nonstop2h 38m

Chicago O'Hare Intl

Mon 3/9

6:10 pm-7:13 am

1 stop14h 03m

$143

DenverChicago

DEN - ORD

DENORD

Denver Intl

Thu 4/9

6:11 am-9:47 am

Nonstop2h 36m

Chicago O'Hare Intl

Sun 4/12

10:16 pm-11:59 pm

Nonstop2h 43m

$144

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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 $223.

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 $311. 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 $586.

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 $207 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $646. 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 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 $250 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 $196 on momondo.

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

There are 4 cabin classes available to choose from on Denver Intl to Chicago O'Hare Intl 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 February 2026, prices for Denver to Chicago O'Hare Intl Airport flights are approximately 8% cheaper 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

$139

Fastest flight time

2h 29m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Denver in the past 72 hours is $139. The best round-trip flight deal from Denver to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $264.
The fastest flight from Denver to Chicago O'Hare Intl Airport takes 2h 29m
Direct flights go from Denver to Chicago O'Hare Intl Airport every day.
Search flight deals

  • 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 29m 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 $65Free CancellationRating
5.7
3,048 reviews
Search Frontier flights
JetBluePriceFrom $126Free CancellationRating
7.2
2,900 reviews
Search JetBlue flights
SouthwestPriceFrom $155Free CancellationRating
8.0
4,295 reviews
Search Southwest flights
American AirlinesPriceFrom $157Free CancellationRating
7.2
11,313 reviews
Search American Airlines flights
United AirlinesPriceFrom $158Free CancellationRating
7.4
9,322 reviews
Search United Airlines flights

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

    Southwest operates around 2 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 $269, but momondo users have found Southwest deals from Denver to Chicago O'Hare Intl Airport from as low as $155 round-trip. Southwest has been scored 8.0/10 in 4,295 reviews.

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

    $158 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 $294, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 9,322 user reviews) flies into Chicago O'Hare Intl Airport from Denver 57 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
South Haven
Rockford
Merrillville
Gurnee
Naperville
Rosemont
New Buffalo
Kenosha
Oak Brook
Joliet
Orland Park
Racine
Hammond
Janesville
Tinley Park
Elgin
Aurora
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.

An easier way to manage your Chicago O'Hare Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 3/21
Sat 3/28
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Chicago