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

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

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 often are flights from Chicago to Denver delayed?

Historically, on average around 19% 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 152 minutes.

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

As of October 2025, 132 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 39% of weekly flights taking off on this day.

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

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

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 18 per day as of October 2025. The most frequent departure time is 6:00PM, with 40% of daily flights leaving in the evening.

What airlines fly to Denver?

Frontier, United Airlines and American Airlines are the top three most popular airlines that fly to Denver from Chicago O'Hare Intl Airport according to our data. Frontier is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 4 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

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

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

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 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.

$70 Cheap Flights from Chicago O'Hare Intl Airport to Denver in 2025/26

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6:05 pm - 7:59 pmORD-DEN

2h 54mnonstop

11:15 pm - 7:26 amDEN-ORD

7h 11m1 stop

$94Frontier

Find Deal

Tue, Nov 11 - Thu, Nov 13

6:05 pm - 7:59 pmORD-DEN

2h 54mnonstop

7:59 pm - 11:29 pmDEN-ORD

2h 30mnonstop

$95Frontier

Find Deal

Wed, Nov 12 - Sat, Nov 15

6:05 pm - 7:59 pmORD-DEN

2h 54mnonstop

7:59 pm - 11:29 pmDEN-ORD

2h 30mnonstop

$96Frontier

Find Deal

Tue, Nov 11 - Sat, Nov 15

9:53 pm - 8:55 amORD-DEN

12h 02m1 stop

8:45 pm - 12:12 amDEN-ORD

2h 27mnonstop

$97Frontier

Find Deal

Thu, Dec 4 - Sun, Dec 7

7:00 am - 9:00 amORD-DEN

3h 00mnonstop

8:45 pm - 12:10 amDEN-ORD

2h 25mnonstop

$98Frontier

Find Deal

Thu, Nov 20 - Thu, Nov 27

7:00 am - 8:56 amORD-DEN

2h 56mnonstop

8:45 pm - 12:12 amDEN-ORD

2h 27mnonstop

$99Frontier

Find Deal

Sat, Jan 3 - Mon, Jan 5

7:51 pm - 9:50 pmORD-DEN

2h 59mnonstop

12:59 am - 10:58 amDEN-ORD

8h 59m1 stop

$100Frontier

Find Deal

Sun, Jan 11 - Sat, Jan 17

6:00 am - 7:41 amORD-DEN

2h 41mnonstop

8:44 pm - 12:15 amDEN-ORD

2h 31mnonstop

$101Frontier

Find Deal

Mon, Nov 17 - Mon, Nov 17

3:26 pm - 9:03 amORD-DEN

18h 37m2 stops

8:45 pm - 12:10 amDEN-ORD

2h 25mnonstop

$122Multiple Airlines

Find Deal

Tue, Nov 18 - Thu, Nov 27

9:22 pm - 9:55 amORD-DEN

13h 33m1 stop

8:45 pm - 12:12 amDEN-ORD

2h 27mnonstop

$123Multiple Airlines

Find Deal

Tue, Dec 2 - Thu, Dec 4

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

Nov 11

ORD6:05 pmChicago O'Hare Intl

2h 54m

DEN7:59 pmDenver Intl

Nov 13

DEN11:15 pmDenver Intl

7h 11m

1 stop

ORD7:26 amChicago O'Hare Intl

$94

Find similar

Frontier

Nov 12

ORD6:05 pmChicago O'Hare Intl

2h 54m

DEN7:59 pmDenver Intl

Nov 15

DEN7:59 pmDenver Intl

2h 30m

ORD11:29 pmChicago O'Hare Intl

$95

Find similar

Frontier

Nov 11

ORD6:05 pmChicago O'Hare Intl

2h 54m

DEN7:59 pmDenver Intl

Nov 15

DEN7:59 pmDenver Intl

2h 30m

ORD11:29 pmChicago O'Hare Intl

$96

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momondo Fare Finder

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Fly to

Route

Depart

Return

Price

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Tue 11/11

6:05 pm-7:59 pm

Nonstop2h 54m

Denver Intl

Thu 11/13

11:15 pm-7:26 am

1 stop7h 11m

$94

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Wed 11/12

6:05 pm-7:59 pm

Nonstop2h 54m

Denver Intl

Sat 11/15

7:59 pm-11:29 pm

Nonstop2h 30m

$95

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Tue 11/11

6:05 pm-7:59 pm

Nonstop2h 54m

Denver Intl

Sat 11/15

7:59 pm-11:29 pm

Nonstop2h 30m

$96

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Thu 12/4

9:53 pm-8:55 am

1 stop12h 02m

Denver Intl

Sun 12/7

8:45 pm-12:12 am

Nonstop2h 27m

$97

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Thu 11/20

7:00 am-9:00 am

Nonstop3h 00m

Denver Intl

Thu 11/27

8:45 pm-12:10 am

Nonstop2h 25m

$98

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Sat 1/3

7:00 am-8:56 am

Nonstop2h 56m

Denver Intl

Mon 1/5

8:45 pm-12:12 am

Nonstop2h 27m

$99

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Sun 1/11

7:51 pm-9:50 pm

Nonstop2h 59m

Denver Intl

Sat 1/17

12:59 am-10:58 am

1 stop8h 59m

$100

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Mon 11/17

6:00 am-7:41 am

Nonstop2h 41m

Denver Intl

Mon 11/17

8:44 pm-12:15 am

Nonstop2h 31m

$101

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Tue 11/18

3:26 pm-9:03 am

2 stops18h 37m

Denver Intl

Thu 11/27

8:45 pm-12:10 am

Nonstop2h 25m

$122

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Tue 12/2

9:22 pm-9:55 am

1 stop13h 33m

Denver Intl

Thu 12/4

8:45 pm-12:12 am

Nonstop2h 27m

$123

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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 cheapest month to fly to Denver?

The cheapest month to fly to Denver from Chicago O'Hare Intl Airport is in November. Flight prices, which tend to average around $176, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in November, then you should wait until September to fly from Chicago O'Hare Intl Airport, when ticket prices are also cheap, with an average price of $189.

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 $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 $283.

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 morning when flights can be purchased for as low as $234. Flights at noon are often more expensive with an average ticket price of $277.

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 $216 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 $181 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 October 2025, prices for Chicago O'Hare Intl Airport to Denver flights are approximately 25% 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	$133
Fastest flight time	2h 41m
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 $133. The best round-trip flight deal from Chicago O'Hare Intl Airport to Denver found on momondo in the last 72 hours is $174.

The fastest flight from Chicago O'Hare Intl Airport to Denver takes 2h 41m

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

There is 1 airport near Denver: Denver Intl (DEN)

Search flight deals

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 41m.
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 4 operators available for flights from Chicago O'Hare Intl Airport to Denver Intl Airport as of October 2025.
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 Airbus A321neo (15.14% of total bookings). The next most popular plane models are Boeing 737-800 (12.90%), Boeing 737-900 (9.04%), and Boeing 777 (8.55%).
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 Frontier (36% of total bookings). The next most popular airlines are United Airlines (26%), American Airlines (24%), and Southwest (14%).

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 $59	Free Cancellation	Rating 5.8 3,123 reviews	Search Frontier flights
American Airlines	PriceFrom $152	Free Cancellation	Rating 7.2 11,034 reviews	Search American Airlines flights
Southwest	PriceFrom $157	Free Cancellation	Rating 8.0 4,243 reviews	Search Southwest flights
United Airlines	PriceFrom $160	Free Cancellation	Rating 7.4 8,996 reviews	Search United Airlines 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 $157. Generally, Southwest has 4 flights on this route every week with an average price of $246. 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 8,996 reviews) operates around 34 flights from Chicago O'Hare Intl Airport to Denver in any given week. The average United Airlines airfare for this route is around $285, with deals from around $160 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.

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Cripple Creek

Manitou Springs

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Lakewood

Thornton

Westminster

Winter Park

Copper Mountain

Silverthorne

Frisco

Centennial

Grand Lake

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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Cheap flights from Chicago O'Hare Intl Airport to Denver from $70

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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?

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 $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 $283.

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 morning when flights can be purchased for as low as $234. Flights at noon are often more expensive with an average ticket price of $277.

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?

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 October 2025, prices for Chicago O'Hare Intl Airport to Denver flights are approximately 25% cheaper when compared to flights at the same time last year.

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

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

What airlines fly to Denver?

How often are flights from Chicago to Denver delayed?

Historically, on average around 19% 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 152 minutes.

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.

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

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

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

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

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 18 per day as of October 2025. The most frequent departure time is 6:00PM, with 40% of daily flights leaving in the evening.

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

As of October 2025, 132 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 39% of weekly flights taking off on this day.

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

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

Best Price Found

Fastest flight time

Direct flights

Airports in Denver

How far is Chicago O'Hare Intl to Denver Intl by plane?

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

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?

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

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

Southwest Flights From Chicago O'Hare Intl Airport to Denver

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

Traveling to a place near Denver?

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your Denver 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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