What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

What is the cheapest airline that flies from Chicago O'Hare Intl to Denver Intl?

United Airlines and Delta are the most popular carriers operating from Chicago O'Hare Intl to Denver Intl

Which airline has the best punctuality record on Chicago to Denver flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 17% of their flights experiencing any sort of delay.

What is the most punctual flight time for Chicago to Denver flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

How many flights depart from Chicago O'Hare Intl Airport to Denver on average per day?

The number of flights available between Chicago O'Hare Intl Airport and Denver is 52 per day as of July 2026. The most frequent departure time is 10:00PM, with 38% of daily flights leaving in the evening.

How often are flights from Chicago to Denver delayed?

Historically, on average around 20% of flights between Chicago and Denver have experienced a delay on any given week. The average delay length over the past 12 months has been 153 minutes.

What airlines fly to Denver?

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Denver from Chicago O'Hare Intl Airport according to our data. United Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 6 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

How many flights depart from Chicago O'Hare Intl Airport to Denver on average per week?

As of July 2026, 364 flights take off from Chicago O'Hare Intl Airport and land in Denver each week. The most common flight departure day for this route is Thu, with 18% of weekly flights taking off on this day.

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?

There are 6 operators available for flights from Chicago O'Hare Intl Airport to Denver Intl Airport as of July 2026.

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.

$98 Cheap Flights from Chicago O'Hare Intl Airport to Denver in 2026

Q: What is the typical price of a round-trip flight between Chicago O'Hare Intl Airport and Denver?

Prices are currently low for flights on this route. Typical prices usually range from $211 to $344. The lowest price recently found on this route was $161.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago O'Hare Intl Airport to Denver

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:06 am - 1:00 pm

ORD

DEN

2h 54mnonstop

8:40 am - 9:34 pm

DEN

ORD

11h 54m

1 stop

$161Frontier

Sat, Sep 26 - Sat, Oct 3

2:46 pm - 11:53 pm

ORD

DEN

10h 07m

1 stop

5:56 pm - 9:35 pm

DEN

ORD

2h 39mnonstop

$162Frontier

Tue, Sep 29 - Sat, Oct 3

5:46 pm - 8:14 am

ORD

DEN

15h 28m

1 stop

9:55 am - 1:36 pm

DEN

ORD

2h 41mnonstop

$163Frontier

Mon, Aug 24 - Sat, Aug 29

2:46 pm - 9:41 pm

ORD

DEN

7h 55m

1 stop

6:25 am - 10:01 am

DEN

ORD

2h 36mnonstop

$164Frontier

Mon, Nov 2 - Wed, Nov 11

9:57 pm - 11:57 pm

ORD

DEN

3h 00mnonstop

5:05 pm - 8:52 pm

DEN

ORD

2h 47mnonstop

$165Frontier

Wed, Aug 5 - Sat, Aug 8

9:57 pm - 11:57 pm

ORD

DEN

3h 00mnonstop

5:05 pm - 8:52 pm

DEN

ORD

2h 47mnonstop

$166Frontier

Sat, Aug 8 - Sun, Aug 16

2:41 pm - 4:45 pm

ORD

DEN

3h 04mnonstop

9:55 am - 1:36 pm

DEN

ORD

2h 41mnonstop

$167Frontier

Sun, Aug 23 - Thu, Aug 27

2:41 pm - 4:45 pm

ORD

DEN

3h 04mnonstop

9:55 am - 1:36 pm

DEN

ORD

2h 41mnonstop

$168Frontier

Thu, Aug 20 - Sun, Aug 23

2:41 pm - 4:45 pm

ORD

DEN

3h 04mnonstop

8:40 am - 9:34 pm

DEN

ORD

11h 54m

1 stop

$169Frontier

Tue, Sep 1 - Thu, Sep 10

9:57 pm - 11:57 pm

ORD

DEN

3h 00mnonstop

5:05 pm - 8:52 pm

DEN

ORD

2h 47mnonstop

$170Frontier

Fri, Aug 14 - Mon, Aug 17

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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

Sep 26

ORD11:06 amChicago O'Hare Intl

2h 54m

DEN1:00 pmDenver Intl

Oct 3

DEN8:40 amDenver Intl

11h 54m

1 stop

ORD9:34 pmChicago O'Hare Intl

$161

Frontier

Sep 29

ORD2:46 pmChicago O'Hare Intl

10h 07m

1 stop

DEN11:53 pmDenver Intl

Sep 30

DEN5:56 pmDenver Intl

2h 39m

ORD9:35 pmChicago O'Hare Intl

$162

Frontier

Aug 24

ORD5:46 pmChicago O'Hare Intl

15h 28m

1 stop

DEN8:14 amDenver Intl

Aug 31

DEN9:55 amDenver Intl

2h 41m

ORD1:36 pmChicago O'Hare Intl

$163

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Sat 9/26

11:06 am-1:00 pm

Nonstop2h 54m

Denver Intl

Sat 10/3

8:40 am-9:34 pm

1 stop11h 54m

$161

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Tue 9/29

2:46 pm-11:53 pm

1 stop10h 07m

Denver Intl

Sat 10/3

5:56 pm-9:35 pm

Nonstop2h 39m

$162

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Mon 8/24

5:46 pm-8:14 am

1 stop15h 28m

Denver Intl

Sat 8/29

9:55 am-1:36 pm

Nonstop2h 41m

$163

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Mon 11/2

2:46 pm-9:41 pm

1 stop7h 55m

Denver Intl

Wed 11/11

6:25 am-10:01 am

Nonstop2h 36m

$164

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Wed 8/5

9:57 pm-11:57 pm

Nonstop3h 00m

Denver Intl

Sat 8/8

5:05 pm-8:52 pm

Nonstop2h 47m

$165

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Sat 8/8

9:57 pm-11:57 pm

Nonstop3h 00m

Denver Intl

Sun 8/16

5:05 pm-8:52 pm

Nonstop2h 47m

$166

Quickest round-trip

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Sun 8/23

2:41 pm-4:45 pm

Nonstop3h 04m

Denver Intl

Thu 8/27

9:55 am-1:36 pm

Nonstop2h 41m

$167

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Thu 8/20

2:41 pm-4:45 pm

Nonstop3h 04m

Denver Intl

Sun 8/23

9:55 am-1:36 pm

Nonstop2h 41m

$168

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Tue 9/1

2:41 pm-4:45 pm

Nonstop3h 04m

Denver Intl

Thu 9/10

8:40 am-9:34 pm

1 stop11h 54m

$169

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Fri 8/14

9:57 pm-11:57 pm

Nonstop3h 00m

Denver Intl

Mon 8/17

5:05 pm-8:52 pm

Nonstop2h 47m

$170

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Delays

Other information

What is the typical price of a round-trip flight between Chicago O'Hare Intl Airport and Denver?

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 $194, 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 October to fly from Chicago O'Hare Intl Airport, when ticket prices are also cheap, with an average price of $208.

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 Wednesday when prices can be found for as low as $267. 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 Monday, with ticket prices averaging around $339.

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 evening when flights can be purchased for as low as $240. Flights at noon are often more expensive with an average ticket price of $301.

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 from Chicago O'Hare Intl Airport 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 $249 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 $204 on momondo.

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

There are 4 cabin classes available to choose from on Chicago O'Hare Intl Airport to Denver 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 2026, prices for Chicago O'Hare Intl Airport to Denver flights are approximately 4% more expensive 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	$147
Fastest flight time	2h 38m
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 $147. The best round-trip flight deal from Chicago O'Hare Intl Airport to Denver found on momondo in the last 72 hours is $239.

The fastest flight from Chicago O'Hare Intl Airport to Denver takes 2h 38m

Direct flights go from Chicago O'Hare Intl Airport to Denver every day.

There is 1 airport in Denver. From Chicago O'Hare Intl Airport there are direct flights to Denver Intl (DEN).

Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Denver

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 38m.
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?
There are 6 operators available for flights from Chicago O'Hare Intl Airport to Denver Intl Airport as of July 2026.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago O'Hare Intl Airport to Denver is Boeing 737-800 (15.55% of total bookings). The next most popular plane models are Airbus A321neo (14.98%), Airbus A321-100/200 (12.21%), and Airbus A319 (10.70%).
What is the most popular airline from Chicago O'Hare Intl Airport to Denver?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago O'Hare Intl Airport to Denver is United Airlines (39% of total bookings). The next most popular airlines are Frontier (29%), American Airlines (29%), and Southwest (2%).

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
Frontier	PriceFrom $69	Free Cancellation	Rating 5.6 2,794 reviews	Search Frontier flights
Delta	PriceFrom $105	Free Cancellation	Rating 7.8 8,472 reviews	Search Delta flights
Southwest	PriceFrom $142	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
JetBlue	PriceFrom $145	Free Cancellation	Rating 7.1 3,012 reviews	Search JetBlue flights
American Airlines	PriceFrom $153	Free Cancellation	Rating 7.1 11,816 reviews	Search American Airlines flights
United Airlines	PriceFrom $167	Free Cancellation	Rating 7.4 9,994 reviews	Search United Airlines flights

United Airlines Flights From Chicago O'Hare Intl Airport to Denver
The lowest priced United Airlines flight from Chicago O'Hare Intl Airport to Denver from the last 72 hours was $167. Generally, United Airlines has 71 flights on this route every week with an average price of $301. United Airlines is rated 7.4/10 by our users.
American Airlines Flights From Chicago O'Hare Intl Airport to Denver
American Airlines (7.1/10 from 11,818 reviews) operates around 29 flights from Chicago O'Hare Intl Airport to Denver in any given week. The average American Airlines airfare for this route is around $269, with deals from around $153 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.

Breckenridge

Estes Park

Black Hawk

Aurora

Fort Collins

Westminster

Longmont

Boulder

Manitou Springs

Lakewood

Greeley

Keystone

Cripple Creek

Thornton

Centennial

Frisco

Englewood

Winter Park

Littleton

Copper Mountain

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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Montrose County Airport

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Cheap flights from Chicago O'Hare Intl Airport to Denver from $103

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Frontier flights from Chicago O'Hare Intl Airport to Denver

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

What is the typical price of a round-trip flight between Chicago O'Hare Intl Airport and Denver?

What is the cheapest month to fly to Denver?

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

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

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

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Denver?

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

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

What is the cheapest airline that flies from Chicago O'Hare Intl to Denver Intl?

What airlines fly to Denver?

How often are flights from Chicago to Denver delayed?

What is the most punctual flight time for Chicago to Denver flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Chicago to Denver flights?

How many flights depart from Chicago O'Hare Intl Airport to Denver on average per day?

How many flights depart from Chicago O'Hare Intl Airport to Denver on average per week?

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

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

Best Price Found

Fastest flight time

Direct flights

Airports in Denver

Frequently asked questions about flying 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

Traveling to a place near Denver?

Why use momondo?

An easier way to manage your Denver trip

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List of cabin classes available on flights landing in Denver. Availability may vary depending on flight origin and airline.

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