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Cheap flights from Denver to Chicago from $46

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 11/12. 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

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Cheap round-trip flights

Frontier Logo
6:00 am - 9:37 amDEN-ORD
2h 37mnonstop
Frontier Logo
7:20 am - 9:07 amORD-DEN
2h 47mnonstop
$96Frontier
Find Deal
Thu, Sep 11 - Tue, Sep 23
Frontier Logo
8:31 pm - 12:10 amDEN-ORD
2h 39mnonstop
Frontier Logo
7:00 am - 8:53 amORD-DEN
2h 53mnonstop
$97Frontier
Find Deal
Wed, Jul 23 - Wed, Jul 30
Frontier Logo
8:31 pm - 12:10 amDEN-ORD
2h 39mnonstop
Frontier Logo
5:40 am - 7:30 amORD-DEN
2h 50mnonstop
$98Frontier
Find Deal
Fri, Jul 25 - Mon, Jul 28
Frontier Logo
8:53 pm - 12:32 amDEN-ORD
2h 39mnonstop
Frontier Logo
6:00 am - 7:48 amORD-DEN
2h 48mnonstop
$99Frontier
Find Deal
Thu, Aug 14 - Thu, Aug 21
Frontier Logo
8:31 pm - 12:10 amDEN-ORD
2h 39mnonstop
Frontier Logo
7:00 am - 8:53 amORD-DEN
2h 53mnonstop
$101Frontier
Find Deal
Wed, Jul 23 - Wed, Jul 30
Frontier Logo
6:00 am - 9:37 amDEN-ORD
2h 37mnonstop
Frontier Logo
12:30 pm - 7:02 pmORD-DEN
7h 32m1 stop
$102Frontier
Find Deal
Thu, Sep 25 - Sat, Sep 27
Frontier Logo
8:30 pm - 11:59 pmDEN-ORD
2h 29mnonstop
Frontier Logo
10:25 am - 9:19 pmORD-DEN
11h 54m1 stop
$103Frontier
Find Deal
Thu, Sep 25 - Mon, Sep 29
Frontier Logo
8:31 pm - 12:10 amDEN-ORD
2h 39mnonstop
Frontier Logo
5:40 am - 7:30 amORD-DEN
2h 50mnonstop
$105Frontier
Find Deal
Thu, Jul 31 - Thu, Aug 7
Frontier Logo
8:31 pm - 12:10 amDEN-ORD
2h 39mnonstop
Frontier Logo
7:00 am - 8:53 amORD-DEN
2h 53mnonstop
$106Frontier
Find Deal
Mon, Jul 21 - Wed, Jul 30
Frontier Logo
8:53 pm - 12:32 amDEN-ORD
2h 39mnonstop
Frontier Logo
11:28 am - 11:11 pmORD-DEN
12h 43m1 stop
$107Frontier
Find Deal
Mon, Aug 4 - Wed, Aug 6

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 11
DEN6:00 amDenver Intl
2h 37m
ORD9:37 amChicago O'Hare Intl
Sep 23
ORD7:20 amChicago O'Hare Intl
2h 47m
DEN9:07 amDenver Intl
Frontier
Jul 23
DEN8:31 pmDenver Intl
2h 39m
ORD12:10 amChicago O'Hare Intl
Jul 30
ORD7:00 amChicago O'Hare Intl
2h 53m
DEN8:53 amDenver Intl
Frontier
Jul 25
DEN8:31 pmDenver Intl
2h 39m
ORD12:10 amChicago O'Hare Intl
Jul 28
ORD5:40 amChicago O'Hare Intl
2h 50m
DEN7:30 amDenver Intl

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 October is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Denver averaging around $182.

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 $324. 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 $194 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $698. 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 $225 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 $189 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 July 2025, prices for Denver to Chicago O'Hare Intl Airport flights are approximately 17% 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

$46

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 $46. The best round-trip flight deal from Denver to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $96.
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.

  • 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 $54Free CancellationRating
5.9
3,290 reviews
Search Frontier flights
American AirlinesPriceFrom $151Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $155Free CancellationRating
8.0
4,272 reviews
Search Southwest flights
United AirlinesPriceFrom $159Free CancellationRating
7.4
8,861 reviews
Search United Airlines flights
  • Southwest Flights From Denver to Chicago O'Hare Intl Airport

    Southwest operates around 14 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 $245, 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 4,272 reviews.

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

    $159 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 $302, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 8,861 user reviews) flies into Chicago O'Hare Intl Airport from Denver 66 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
Rockford
Schaumburg
Merrillville
South Haven
Gurnee
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Racine
Tinley Park
Hammond
Elgin
Aurora
Orland Park
Janesville
Waukegan

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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Mon 7/7
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