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Cheap flights from Denver to Chicago from $80

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 2/23. 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
7:10 am - 10:57 am
DEN
-
ORD
2h 47mnonstop
Frontier Logo
12:07 pm - 2:05 pm
ORD
-
DEN
2h 58mnonstop
$107Frontier
Sun, Feb 1 - Sun, Feb 8
Frontier Logo
8:00 pm - 2:05 pm
DEN
-
ORD
17h 05m
1 stop
Frontier Logo
10:53 am - 12:52 pm
ORD
-
DEN
2h 59mnonstop
$108Frontier
Wed, Mar 4 - Sun, Mar 8
Frontier Logo
8:17 am - 3:15 pm
DEN
-
ORD
5h 58m
1 stop
Frontier Logo
6:30 pm - 8:34 pm
ORD
-
DEN
3h 04mnonstop
$109Frontier
Tue, Mar 10 - Mon, Mar 16
Frontier Logo
2:57 pm - 6:31 pm
DEN
-
ORD
2h 34mnonstop
Frontier Logo
6:03 am - 12:19 pm
ORD
-
DEN
7h 16m
1 stop
$112Frontier
Thu, Feb 5 - Sat, Feb 7
Frontier Logo
8:24 am - 11:58 am
DEN
-
ORD
2h 34mnonstop
Frontier Logo
7:19 pm - 3:56 am
ORD
-
DEN
9h 37m
1 stop
$115Frontier
Fri, Feb 20 - Mon, Feb 23
Frontier Logo
7:35 pm - 11:14 pm
DEN
-
ORD
2h 39mnonstop
Frontier Logo
7:00 am - 6:44 pm
ORD
-
DEN
12h 44m
1 stop
$117Frontier
Thu, Feb 12 - Thu, Feb 19
Frontier Logo
9:29 pm - 1:07 am
DEN
-
ORD
2h 38mnonstop
Frontier Logo
4:51 pm - 11:04 pm
ORD
-
DEN
7h 13m
1 stop
$118Frontier
Fri, Mar 6 - Tue, Mar 10
Frontier Logo
9:41 am - 1:25 pm
DEN
-
ORD
2h 44mnonstop
Frontier Logo
6:30 pm - 8:34 pm
ORD
-
DEN
3h 04mnonstop
$119Frontier
Fri, Feb 27 - Fri, Mar 13
Multiple Airlines Logo
10:30 pm - 11:10 am
DEN
-
RFD
11h 40m
1 stop
Multiple Airlines Logo
7:51 pm - 7:54 am
RFD
-
DEN
13h 03m
1 stop
$223Multiple Airlines
Fri, Feb 20 - Mon, Feb 23
Multiple Airlines Logo
9:44 pm - 12:34 pm
DEN
-
RFD
13h 50m
1 stop
Multiple Airlines Logo
7:38 pm - 3:57 pm
RFD
-
DEN
21h 19m
1 stop
$385Multiple Airlines
Wed, Jan 28 - Fri, Jan 30

Frontier flights from Denver to Chicago

Our best Frontier deals on Denver to Chicago flight tickets
Frontier
Feb 1
DEN7:10 amDenver Intl
2h 47m
ORD10:57 amChicago O'Hare Intl
Feb 8
ORD12:07 pmChicago O'Hare Intl
2h 58m
DEN2:05 pmDenver Intl
$107
Frontier
Mar 4
DEN8:00 pmDenver Intl
17h 05m
1 stop
ORD2:05 pmChicago O'Hare Intl
Mar 8
ORD10:53 amChicago O'Hare Intl
2h 59m
DEN12:52 pmDenver Intl
$108
Frontier
Mar 10
DEN8:17 amDenver Intl
5h 58m
1 stop
ORD3:15 pmChicago O'Hare Intl
Mar 16
ORD6:30 pmChicago O'Hare Intl
3h 04m
DEN8:34 pmDenver Intl
$109

Southwest flights from Denver to Chicago

Our best Southwest deals on Denver to Chicago flight tickets
Southwest
Mar 17
DEN5:55 pmDenver Intl
2h 20m
MDW9:15 pmChicago Midway
Mar 18
MDW8:50 pmChicago Midway
2h 45m
DEN10:35 pmDenver Intl
$179
Southwest
Feb 14
DEN11:10 amDenver Intl
2h 20m
MDW2:30 pmChicago Midway
Feb 14
MDW8:45 pmChicago Midway
2h 45m
DEN10:30 pmDenver Intl
$187
Southwest
Mar 17
DEN11:30 amDenver Intl
4h 25m
1 stop
MDW4:55 pmChicago Midway
Mar 18
MDW8:50 pmChicago Midway
2h 45m
DEN10:35 pmDenver Intl
$189

momondo Fare Finder

 
Customize your flight search to find flights from Denver to Chicago 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 January 16, 2026.
Use the filters below to find and compare flights from Denver to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverChicago

DEN - ORD

DENORD

Denver Intl

Sun 2/1

7:10 am-10:57 am

Nonstop2h 47m

Chicago O'Hare Intl

Sun 2/8

12:07 pm-2:05 pm

Nonstop2h 58m

$107

DenverChicago

DEN - ORD

DENORD

Denver Intl

Wed 3/4

8:00 pm-2:05 pm

1 stop17h 05m

Chicago O'Hare Intl

Sun 3/8

10:53 am-12:52 pm

Nonstop2h 59m

$108

DenverChicago

DEN - ORD

DENORD

Denver Intl

Tue 3/10

8:17 am-3:15 pm

1 stop5h 58m

Chicago O'Hare Intl

Mon 3/16

6:30 pm-8:34 pm

Nonstop3h 04m

$109

DenverChicago

DEN - ORD

DENORD

Denver Intl

Thu 2/5

2:57 pm-6:31 pm

Nonstop2h 34m

Chicago O'Hare Intl

Sat 2/7

6:03 am-12:19 pm

1 stop7h 16m

$112

DenverChicago

DEN - ORD

DENORD

Denver Intl

Fri 2/20

8:24 am-11:58 am

Nonstop2h 34m

Chicago O'Hare Intl

Mon 2/23

7:19 pm-3:56 am

1 stop9h 37m

$115

DenverChicago

DEN - ORD

DENORD

Denver Intl

Thu 2/12

7:35 pm-11:14 pm

Nonstop2h 39m

Chicago O'Hare Intl

Thu 2/19

7:00 am-6:44 pm

1 stop12h 44m

$117

DenverChicago

DEN - ORD

DENORD

Denver Intl

Fri 3/6

9:29 pm-1:07 am

Nonstop2h 38m

Chicago O'Hare Intl

Tue 3/10

4:51 pm-11:04 pm

1 stop7h 13m

$118

DenverChicago

DEN - ORD

DENORD

Denver Intl

Fri 2/27

9:41 am-1:25 pm

Nonstop2h 44m

Chicago O'Hare Intl

Fri 3/13

6:30 pm-8:34 pm

Nonstop3h 04m

$119

DenverChicago

DEN - RFD

DENRFD

Denver Intl

Fri 2/20

10:30 pm-11:10 am

1 stop11h 40m

Chicago Greater Rockford

Mon 2/23

7:51 pm-7:54 am

1 stop13h 03m

$223

DenverChicago

DEN - RFD

DENRFD

Denver Intl

Wed 1/28

9:44 pm-12:34 pm

1 stop13h 50m

Chicago Greater Rockford

Fri 1/30

7:38 pm-3:57 pm

1 stop21h 19m

$385

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

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?

The month of February is, on average, the cheapest month to fly to Chicago from Denver, with most prices found around $188. If you’re not able to fly to Chicago in February, then January is your next best option. Flight prices from Denver to Chicago during January average around $194.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Thursday when prices can be found for as low as $296. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Denver to Chicago for around $515.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the evening. Flights from Denver to Chicago during this time can be as low as $198. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $611.

What is the cheapest Denver Intl to Chicago flight route?

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

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $242 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Denver for as low as $197 on momondo.

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

There are 4 cabin classes available to choose from on Denver Intl to Chicago 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 Denver to Chicago flights?

No. A direct flight is the cheapest option for a flight between Denver to Chicago.

How have Denver to Chicago flight prices changed over time?

As of January 2026, prices for Denver to Chicago flights are approximately 4% more expensive when compared to flights at the same time last year.

When to book flights from Denver to Chicago

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

Cheap Denver to Chicago (DEN to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Chicago

Best Price Found

$147

Fastest flight time

2h 20m

Direct flights

Every day

Airports in Chicago

3 airports
The best one-way flight to Chicago from Denver in the past 72 hours is $147. The best round-trip flight deal from Denver to Chicago found on momondo in the last 72 hours is $214.
The fastest flight from Denver to Chicago takes 2h 20m
Direct flights go from Denver to Chicago every day.
There are 3 airports in Chicago. From Denver there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW).
Search flight deals

  • How far is Denver Intl to Chicago by plane?

    There are 917.4 mi between Denver Intl and Chicago. 2h 20m is a normal flight duration for this route.

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

    Prices for flights from Denver Intl Airport to Chicago were last updated today.

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

  • How old do you have to be to fly from Denver Intl Airport to Chicago?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The travel and health documents you'll need for your trip to Chicago 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. 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 Denver to Chicago?

  • What is the most popular airline from Denver to Chicago?

Best airlines flying from Denver to Chicago

Compare and see reviews for airlines that fly from Denver to Chicago with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $60Free CancellationRating
5.7
3,057 reviews
Search Frontier flights
SouthwestPriceFrom $155Free CancellationRating
8.0
4,258 reviews
Search Southwest flights
American AirlinesPriceFrom $157Free CancellationRating
7.2
11,135 reviews
Search American Airlines flights
United AirlinesPriceFrom $157Free CancellationRating
7.4
9,163 reviews
Search United Airlines flights

  • Southwest Flights From Denver to Chicago

    The lowest priced Southwest flight from Denver to Chicago from the last 72 hours was $155. Generally, Southwest has 42 flights on this route every week with an average price of $260. Southwest is rated 8.0/10 by our users.

  • United Airlines Flights From Denver to Chicago

    Across 9,163 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Denver to Chicago about 58 times each week, with ticket deals ranging from $157 to $287. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Saint Joseph
Portage
Lansing
Schererville
Valparaiso
Munster
Crown Point
Chesterton
Monticello
Porter
Griffith
Saint John

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Denver to Chicago for you.

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

Yes. momondo enables you to select and highlight flights to Chicago from Denver with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from Denver.

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

If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from Denver and alert you when they change.

An easier way to manage your Chicago trip

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport