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Cheap flights from Chicago O'Hare Intl Airport to Denver 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 Chicago O'Hare Intl Airport to Denver departing on 8/26. 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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Find the cheapest flights from Chicago O'Hare Intl Airport to Denver

Cheap round-trip flights

Frontier Logo
7:00 am - 8:53 amORD-DEN
2h 53mnonstop
Frontier Logo
8:53 pm - 12:32 amDEN-ORD
2h 39mnonstop
$70Frontier
Find Deal
Tue, Aug 12 - Tue, Aug 12
Frontier Logo
8:25 am - 10:16 amORD-DEN
2h 51mnonstop
Frontier Logo
5:50 pm - 9:28 pmDEN-ORD
2h 38mnonstop
$73Frontier
Find Deal
Sat, Sep 27 - Tue, Sep 30
Frontier Logo
7:00 am - 8:53 amORD-DEN
2h 53mnonstop
Frontier Logo
8:53 pm - 12:32 amDEN-ORD
2h 39mnonstop
$74Frontier
Find Deal
Wed, Aug 6 - Wed, Aug 13
Frontier Logo
6:00 am - 7:41 amORD-DEN
2h 41mnonstop
Frontier Logo
5:50 pm - 9:28 pmDEN-ORD
2h 38mnonstop
$75Frontier
Find Deal
Mon, Sep 8 - Sat, Sep 13
Frontier Logo
6:00 am - 7:48 amORD-DEN
2h 48mnonstop
Frontier Logo
7:00 am - 10:37 amDEN-ORD
2h 37mnonstop
$76Frontier
Find Deal
Thu, Aug 21 - Mon, Aug 25
Frontier Logo
11:44 am - 1:42 pmORD-DEN
2h 58mnonstop
Frontier Logo
7:00 am - 10:37 amDEN-ORD
2h 37mnonstop
$77Frontier
Find Deal
Thu, Aug 21 - Mon, Aug 25
Frontier Logo
5:40 am - 7:30 amORD-DEN
2h 50mnonstop
Frontier Logo
8:53 pm - 12:32 amDEN-ORD
2h 39mnonstop
$78Frontier
Find Deal
Thu, Aug 14 - Mon, Aug 18
Frontier Logo
5:40 am - 7:30 amORD-DEN
2h 50mnonstop
Frontier Logo
8:53 pm - 12:32 amDEN-ORD
2h 39mnonstop
$79Frontier
Find Deal
Fri, Aug 1 - Sat, Aug 9
Southwest Logo
7:00 am - 8:40 amORD-DEN
2h 40mnonstop
Southwest Logo
7:30 pm - 11:05 pmDEN-ORD
2h 35mnonstop
$93Southwest
Find Deal
Sat, Aug 16 - Wed, Aug 20
Southwest Logo
2:55 pm - 9:00 pmORD-DEN
7h 05m1 stop
Southwest Logo
7:30 pm - 11:05 pmDEN-ORD
2h 35mnonstop
$103Southwest
Find Deal
Sat, Aug 16 - Mon, Aug 18

Southwest flights from Chicago O'Hare Intl Airport to Denver

Our best Southwest deals on Chicago O'Hare Intl Airport to Denver flight tickets
Southwest
Aug 16
ORD7:00 amChicago O'Hare Intl
2h 40m
DEN8:40 amDenver Intl
Aug 20
DEN7:30 pmDenver Intl
2h 35m
ORD11:05 pmChicago O'Hare Intl
$93
Find similar
Southwest
Aug 16
ORD2:55 pmChicago O'Hare Intl
7h 05m
1 stop
DEN9:00 pmDenver Intl
Aug 18
DEN7:30 pmDenver Intl
2h 35m
ORD11:05 pmChicago O'Hare Intl
$103
Find similar
Southwest
Aug 16
ORD7:30 amChicago O'Hare Intl
7h 35m
2 stops
DEN2:05 pmDenver Intl
Aug 18
DEN7:30 pmDenver Intl
2h 35m
ORD11:05 pmChicago O'Hare Intl
$108
Find similar

Frontier flights from Chicago O'Hare Intl Airport to Denver

Our best Frontier deals on Chicago O'Hare Intl Airport to Denver flight tickets
Frontier
Aug 12
ORD7:00 amChicago O'Hare Intl
2h 53m
DEN8:53 amDenver Intl
Aug 12
DEN8:53 pmDenver Intl
2h 39m
ORD12:32 amChicago O'Hare Intl
$70
Find similar
Frontier
Sep 27
ORD8:25 amChicago O'Hare Intl
2h 51m
DEN10:16 amDenver Intl
Sep 30
DEN5:50 pmDenver Intl
2h 38m
ORD9:28 pmChicago O'Hare Intl
$73
Find similar
Frontier
Aug 6
ORD7:00 amChicago O'Hare Intl
2h 53m
DEN8:53 amDenver Intl
Aug 13
DEN8:53 pmDenver Intl
2h 39m
ORD12:32 amChicago O'Hare Intl
$74
Find similar

See travel insights to Denver from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Denver

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 Denver?

The cheapest month to fly to Denver from Chicago O'Hare Intl Airport is in September. Flight prices, which tend to average around $169, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in September, then you should wait until November to fly from Chicago O'Hare Intl Airport, when ticket prices are also cheap, with an average price of $169.

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

The cheapest day to depart on your flight to Denver is on a Friday when prices can be found for as low as $229. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $303.

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

The cheapest time of day to fly to Denver is in the afternoon when flights can be purchased for as low as $216. Flights at noon are often more expensive with an average ticket price of $284.

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

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

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

You are more likely to see cheaper flights to Denver from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $211 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Chicago O'Hare Intl Airport for as low as $175 on momondo.

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

There are 4 cabin classes available to choose from on Chicago O'Hare Intl to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of July 2025, prices for Chicago O'Hare Intl Airport to Denver flights are approximately 35% cheaper when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$46

Fastest flight time

2h 34m

Direct flights

Every day

Airports in Denver

1 airport
The best one-way flight to Denver from Chicago O'Hare Intl Airport in the past 72 hours is $46. The best round-trip flight deal from Chicago O'Hare Intl Airport to Denver found on momondo in the last 72 hours is $70.
The fastest flight from Chicago O'Hare Intl Airport to Denver takes 2h 34m
Direct flights go from Chicago O'Hare Intl Airport to Denver every day.
There is 1 airport near Denver: Denver Intl (DEN)
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  • How far is Chicago O'Hare Intl to Denver Intl by plane?

    The distance between Chicago O'Hare Intl and Denver Intl is about 903.7 mi. In terms of flight time, this usually takes a little over 2h 40m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

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

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

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

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Denver with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $49Free CancellationRating
5.9
3,268 reviews
Search Frontier flights
American AirlinesPriceFrom $156Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $159Free CancellationRating
7.4
8,849 reviews
Search United Airlines flights
SouthwestPriceFrom $159Free CancellationRating
8.0
4,245 reviews
Search Southwest flights

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

    The lowest priced Southwest flight from Chicago O'Hare Intl Airport to Denver from the last 72 hours was $159. Generally, Southwest has 22 flights on this route every week with an average price of $250. Southwest is rated 8.0/10 by our users.

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

    United Airlines (7.4/10 from 8,849 reviews) operates around 51 flights from Chicago O'Hare Intl Airport to Denver in any given week. The average United Airlines airfare for this route is around $294, with deals from around $159 rare but found on momondo. Referenced prices are for round-trip Chicago O'Hare Intl Airport to Denver flight searches in the last 72 hours.

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Estes Park
Breckenridge
Black Hawk
Aurora
Fort Collins
Keystone
Cripple Creek
Longmont
Boulder
Lakewood
Manitou Springs
Greeley
Westminster
Thornton
Winter Park
Silverthorne
Copper Mountain
Grand Lake
Golden
Frisco

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Denver. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Denver from Chicago which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Denver.

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

If you are not ready to book a flight from Chicago to Denver now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Denver and let you know when they change.

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