How often are flights from Chicago to Denver delayed?

About 17% of weekly flights between Chicago and Denver have experienced delays in the past year, with the average delay time being 149 minutes.

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

Over the last year, Frontier have had the lowest number of delays on this route, with just 12% of flights being delayed.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

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

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

How long is the flight from Chicago O'Hare Intl Airport to Denver?

United Airlines can get you from Chicago O'Hare Intl Airport to Denver in just under 2h 58m. Your travel time will be generally consistent. The distance between Chicago O'Hare Intl Airport and Denver is about 886 mi. Most flights are nonstop.

What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Denver round-trip?

Flying on Frontier is currently your cheapest option to Denver, with prices starting at $58. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $151 and $153, respectively. Frontier is currently priced 73% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Denver one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $38. Southwest flights start at $76 while deals on American Airlines start at $79 one-way.

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What are the cheapest flights from Chicago O'Hare Intl Airport to Denver?

The cheapest flight price from Chicago O'Hare Intl Airport to Denver is $63. On average you can expect to pay $748. The most popular route, (Chicago O'Hare Intl - Denver Intl), can usually be booked for $122.

What are the most reliable airlines from Chicago O'Hare Intl Airport to Denver?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago O'Hare Intl Airport to Denver on time: Qatar Airways (80%), American Airlines (77%), Iberia (74%).

What are the most popular airlines that fly from Chicago O'Hare Intl Airport to Denver?

The most popular airlines flying from Chicago O'Hare Intl Airport to Denver are Frontier, United Airlines and American Airlines. Something to consider prior to booking your flight.

Most accurate provider : When it comes to deals on Chicago O'Hare Intl Airport-Denver flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Chicago O'Hare Intl Airport-Denver flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Denver flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Chicago O'Hare Intl Airport-Denver flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Denver from Chicago O'Hare Intl?

Located just 18.5 mi from the city center, Denver Intl is the airport most travelers will use when flying to Denver from Chicago O'Hare Intl. Booking flights from Chicago O'Hare Intl to Denver Intl (DEN) should be relatively easy as there are 11 daily inbound flights from Chicago O'Hare Intl from 4 different airlines.

Can I find deals for flights from O'Hare Intl to Denver that include hotel bookings?

Yes. In addition to deals on O'Hare Intl to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from O'Hare Intl to Denver?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Denver.

Can I find deals for business class flights from O'Hare Intl to Denver?

Yes. Cheapflights offers flight deals from O'Hare Intl to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$67+ Flights from Chicago O'Hare Intl Airport to Denver

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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Denver Intl are usually found in January or September, booked 62 days in advance, depart on a Saturday or Wednesday and return on a Friday

Cheap flight deals from O'Hare Intl to Denver

Cheapest flights from O'Hare Intl to Denver
Explore the most affordable flight options available from O'Hare Intl to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Thu 12/255:25 amORD - DEN

1 stop9h 50mFrontier

Wed 12/318:45 pmDEN - ORD

Nonstop2h 27mFrontier

Deal found 12/16

$144

Thu 12/255:25 amORD - DEN

1 stop9h 50mFrontier

Thu 1/18:45 pmDEN - ORD

Nonstop2h 27mFrontier

Deal found 12/16

$145

Wed 12/247:00 amORD - DEN

Nonstop2h 56mFrontier

Wed 12/318:45 pmDEN - ORD

Nonstop2h 27mFrontier

Deal found 12/17

$146

Fri 12/267:00 amORD - DEN

Nonstop2h 56mFrontier

Wed 12/318:45 pmDEN - ORD

Nonstop2h 27mFrontier

Deal found 12/17

$151

Fri 12/267:00 amORD - DEN

Nonstop2h 56mFrontier

Thu 1/222:57 pmDEN - ORD

Nonstop2h 34mFrontier

Deal found 12/17

$154

Best flights from O'Hare Intl to Denver
Discover carefully curated flight deals from O'Hare Intl to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Sat 1/1712:53 pmORD - DEN

Nonstop2h 58mUnited Airlines

Wed 1/216:00 amDEN - ORD

Nonstop2h 44mUnited Airlines

Deal found 12/15

$165

Sat 2/711:45 amORD - DEN

1 stop8h 43mDelta

Wed 2/1110:50 amDEN - ORD

1 stop7h 31mDelta

Deal found 12/15

$197

Wed 1/141:45 pmORD - DEN

2 stops8h 20mSouthwest

Thu 1/155:30 amDEN - ORD

1 stop5h 45mSouthwest

Deal found 12/17

$208

Tue 3/37:10 amORD - DEN

Nonstop2h 54mUnited Airlines

Tue 3/108:23 pmDEN - ORD

Nonstop2h 29mUnited Airlines

Deal found 12/17

$173

Wed 2/258:07 pmORD - DEN

Nonstop2h 58mUnited Airlines

Mon 3/28:30 pmDEN - ORD

Nonstop2h 29mUnited Airlines

Deal found 12/17

$183

Tue 3/32:15 pmORD - DEN

1 stop7h 50mSouthwest

Tue 3/1010:10 amDEN - ORD

Nonstop2h 45mSouthwest

Deal found 12/16

$209

Sat 1/1010:40 amORD - DEN

Nonstop2h 58mUnited Airlines

Wed 1/143:15 pmDEN - ORD

Nonstop2h 31mUnited Airlines

Deal found 12/17

$183

Wed 1/148:45 amORD - DEN

Nonstop2h 50mUnited Airlines

Thu 1/154:15 pmDEN - ORD

Nonstop2h 36mUnited Airlines

Deal found 12/17

$183

Thu 1/221:55 pmORD - DEN

Nonstop2h 57mUnited Airlines

Sun 1/257:50 amDEN - ORD

Nonstop2h 44mUnited Airlines

Deal found 12/17

$195

Fri 1/96:15 pmORD - DEN

Nonstop2h 58mUnited Airlines

Sat 1/176:00 amDEN - ORD

Nonstop2h 44mUnited Airlines

Deal found 12/17

$197

Thu 12/257:10 amORD - DEN

Nonstop2h 55mUnited Airlines

Thu 1/16:00 amDEN - ORD

Nonstop2h 44mUnited Airlines

Deal found 12/17

$208

Thu 2/269:15 pmORD - DEN

Nonstop2h 51mUnited Airlines

Mon 3/28:30 pmDEN - ORD

Nonstop2h 29mUnited Airlines

Deal found 12/17

$212

Last-minute flights from O'Hare Intl to Denver
Discover last-minute flight deals from O'Hare Intl to Denver. Data last updated December 18, 2025 and is based on user searches.

Thu 1/87:50 pmORD - DEN

Nonstop2h 59mFrontier

Sun 1/115:17 pmDEN - ORD

Nonstop2h 40mFrontier

Deal found 12/17

$105

Thu 1/87:50 pmORD - DEN

Nonstop2h 59mFrontier

Mon 1/129:50 amDEN - ORD

1 stop8h 08mFrontier

Deal found 12/17

$121

Sun 1/1110:07 pmORD - DEN

Nonstop2h 51mFrontier

Fri 1/165:41 pmDEN - ORD

Nonstop2h 43mFrontier

Deal found 12/17

$107

Sun 1/1110:07 pmORD - DEN

Nonstop2h 51mFrontier

Sun 1/257:10 amDEN - ORD

Nonstop2h 47mFrontier

Deal found 12/17

$108

Mon 1/127:50 pmORD - DEN

Nonstop2h 59mFrontier

Sat 1/247:00 amDEN - ORD

1 stop8h 35mFrontier

Deal found 12/17

$106

Mon 1/127:50 pmORD - DEN

Nonstop2h 59mFrontier

Fri 1/1610:48 pmDEN - ORD

1 stop17h 04mFrontier

Deal found 12/17

$119

Wed 1/1412:00 pmORD - DEN

1 stop14h 37mFrontier

Thu 1/222:57 pmDEN - ORD

Nonstop2h 34mFrontier

Deal found 12/17

$115

Wed 1/1412:00 pmORD - DEN

1 stop14h 37mFrontier

Fri 1/237:10 amDEN - ORD

Nonstop2h 47mFrontier

Deal found 12/17

$117

Wed 1/145:53 pmORD - DEN

1 stop8h 44mMultiple Airlines

Fri 1/165:41 pmDEN - ORD

Nonstop2h 43mMultiple Airlines

Deal found 12/16

$122

Sun 1/182:30 pmORD - DEN

Nonstop3h 11mFrontier

Mon 1/2611:05 amDEN - ORD

1 stop9h 37mFrontier

Deal found 12/17

$110

Thu 1/227:41 pmORD - DEN

Nonstop3h 00mFrontier

Sun 1/256:00 amDEN - ORD

1 stop8h 37mFrontier

Deal found 12/18

$120

Fri 1/3012:07 pmORD - DEN

Nonstop2h 58mFrontier

Tue 2/37:30 amDEN - ORD

1 stop9h 57mFrontier

Deal found 12/16

$109

One-way flights from O'Hare Intl to Denver
Search for one-way flight options from O'Hare Intl to Denver. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Thu 3/54:16 pmORD - DEN

Nonstop3h 07mFrontier

Deal found 12/17

$67

Wed 1/1412:00 pmORD - DEN

1 stop14h 37mFrontier

Deal found 12/16

$68

Sun 2/156:03 pmORD - DEN

Nonstop3h 04mFrontier

Deal found 12/16

$69

Wed 3/411:51 amORD - DEN

1 stop10h 44mFrontier

Deal found 12/16

$70

Thu 2/124:16 pmORD - DEN

Nonstop3h 07mFrontier

Deal found 12/15

$71

Wed 2/118:10 amORD - DEN

1 stop6h 59mFrontier

Deal found 12/16

$72

Wed 1/145:53 pmORD - DEN

1 stop8h 44mMultiple Airlines

Deal found 12/15

$73

Sun 1/187:55 amORD - DEN

1 stop13h 52mFrontier

Deal found 12/16

$74

Mon 2/23:55 pmORD - DEN

1 stop8h 34mFrontier

Deal found 12/15

$75

Wed 1/74:38 pmORD - DEN

1 stop9h 45mMultiple Airlines

Deal found 12/16

$76

Mon 1/193:22 pmORD - DEN

1 stop21h 55mMultiple Airlines

Deal found 12/17

$77

Thu 1/152:30 pmORD - DEN

Nonstop3h 11mFrontier

Deal found 12/17

$78

Find flight deals from O'Hare Intl to Denver

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$106 (Frontier)
One-way from	$67 (Super.com)
Popular in	December
Cheapest in	January
Average price	$275
Good round-trip deal	$178 or less
Good one-way deal	$143 or less

Provider with most accurate pricing for Chicago O'Hare Intl-Denver Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Denver Intl flights.

Search Deals

From Chicago O'Hare Intl to Denver Intl

Search Deals

One-way flight from Chicago O'Hare Intl to Denver Intl

Search Deals

Highest demand for flights based on searches. 2% potential increase in price ($4 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Chicago O'Hare Intl to Denver Intl.

Search Deals

Price to beat on a one-way flight from Chicago O'Hare Intl to Denver Intl.

Search Deals

Cheapflights 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

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Sat 1/17

12:53 pm-2:51 pm

Nonstop2h 58m

Denver Intl

Wed 1/21

6:00 am-9:44 am

Nonstop2h 44m

$165

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Tue 3/3

7:10 am-9:04 am

Nonstop2h 54m

Denver Intl

Tue 3/10

8:23 pm-11:52 pm

Nonstop2h 29m

$173

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Wed 2/25

8:07 pm-10:05 pm

Nonstop2h 58m

Denver Intl

Mon 3/2

8:30 pm-11:59 pm

Nonstop2h 29m

$183

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Sat 1/10

10:40 am-12:38 pm

Nonstop2h 58m

Denver Intl

Wed 1/14

3:15 pm-6:46 pm

Nonstop2h 31m

$183

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Wed 1/14

8:45 am-10:35 am

Nonstop2h 50m

Denver Intl

Thu 1/15

4:15 pm-7:51 pm

Nonstop2h 36m

$183

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Thu 1/22

1:55 pm-3:52 pm

Nonstop2h 57m

Denver Intl

Sun 1/25

7:50 am-11:34 am

Nonstop2h 44m

$195

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Sat 2/7

11:45 am-7:28 pm

1 stop8h 43m

Denver Intl

Wed 2/11

10:50 am-7:21 pm

1 stop7h 31m

$197

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Fri 1/9

6:15 pm-8:13 pm

Nonstop2h 58m

Denver Intl

Sat 1/17

6:00 am-9:44 am

Nonstop2h 44m

$197

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Wed 1/14

1:45 pm-9:05 pm

2 stops8h 20m

Denver Intl

Thu 1/15

5:30 am-12:15 pm

1 stop5h 45m

$208

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Thu 12/25

7:10 am-9:05 am

Nonstop2h 55m

Denver Intl

Thu 1/1

6:00 am-9:44 am

Nonstop2h 44m

$208

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 24 results

Compare providers for flights from O'Hare Intl to Denver

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Denver in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
JustAirTicket	Price Accuracy-	Trust Score*1 star
Priceline	Price Accuracy1 star	Trust Score*3 stars
CheapOair	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star
Trip.com	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Denver flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Chicago O'Hare Intl Airport-Denver flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Denver flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Denver flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from O'Hare Intl to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from O'Hare Intl with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Denver

Prices

Delays

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

The best time to book flights from Chicago O'Hare Intl Airport to Denver is 59 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Denver?

Currently, March is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Denver (average of $52). Flying from Chicago O'Hare Intl Airport to Denver in June is currently the most expensive (average of $116). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ORD to DEN?

It’s optimal to fly from Chicago O'Hare Intl Airport to Denver in the morning. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Denver?

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Denver flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Chicago O'Hare Intl Airport to Denver flights

Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to Denver trip

Airlines

Frontier

Frontier offers extra comfort seats with 32” separation for a fee, enhancing travel comfort.

Frontier's Zone 1 boarding is available with a carry-on purchase or special fare bundle.

United Airlines

United's Economy Plus offers extra legroom seats towards the front of the economy cabin.

United's MileagePlus program allows pooling miles for family or friends' tickets.

Southwest

Enjoy free snacks and non-alcoholic drinks, plus a free drink on special occasions.

Southwest offers free messaging and high-speed Wi-Fi for a fee on flights.

Airports

ORD

For a smooth departure from ORD, consider taking the "L" train to avoid traffic and reach the airport efficiently.

DEN

Upon arrival at DEN, use the A Line train for a quick connection to downtown Denver in 37 minutes.

Our travel experts

Marisa Garcia

Expert on Frontier and Southwest

Harriet Baskas

Expert on United Airlines

Ramsey Qubein

Expert on ORD

Emily Zemler

Expert on DEN

Reviews of airlines servicing Denver

Read reviews from past customers who have flown Southwest, United Airlines, and American Airlines from Chicago O'Hare Intl Airport to Denver. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

7.9

Good

4,250 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,093 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,055 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Frontier

5.8

Fair

3,081 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

What airport do you fly into for flights to Denver from Chicago O'Hare Intl?
Located just 18.5 mi from the city center, Denver Intl is the airport most travelers will use when flying to Denver from Chicago O'Hare Intl. Booking flights from Chicago O'Hare Intl to Denver Intl (DEN) should be relatively easy as there are 11 daily inbound flights from Chicago O'Hare Intl from 4 different airlines.
How long is the flight from Chicago O'Hare Intl Airport to Denver?
United Airlines can get you from Chicago O'Hare Intl Airport to Denver in just under 2h 58m. Your travel time will be generally consistent. The distance between Chicago O'Hare Intl Airport and Denver is about 886 mi. Most flights are nonstop.
What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Denver round-trip?
Flying on Frontier is currently your cheapest option to Denver, with prices starting at $58. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $151 and $153, respectively. Frontier is currently priced 73% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Denver one-way?
To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $38. Southwest flights start at $76 while deals on American Airlines start at $79 one-way.
What are the most reliable airlines from Chicago O'Hare Intl Airport to Denver?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago O'Hare Intl Airport to Denver on time: Qatar Airways (80%), American Airlines (77%), Iberia (74%).
What are the cheapest flights from Chicago O'Hare Intl Airport to Denver?
The cheapest flight price from Chicago O'Hare Intl Airport to Denver is $63. On average you can expect to pay $748. The most popular route, (Chicago O'Hare Intl - Denver Intl), can usually be booked for $122.
Can I find deals for flights from O'Hare Intl to Denver that include hotel bookings?
Yes. In addition to deals on O'Hare Intl to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from O'Hare Intl to Denver?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Denver.
Can I find deals for business class flights from O'Hare Intl to Denver?
Yes. Cheapflights offers flight deals from O'Hare Intl to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Denver?
Currently, March is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Denver (average of $52). Flying from Chicago O'Hare Intl Airport to Denver in June is currently the most expensive (average of $116). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Complete your trip

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Other flights to Denver

Top 4 airlines flying from O'Hare Intl to Denver

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$58	Average$152	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$153	Average$234	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$155	Average$281	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$157	Average$249	FlexibilityNo cancel fee	On-time63%

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$67+ Cheap flights from O'Hare Intl (ORD) to Denver (DEN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/5. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Denver Intl are usually found in January or September, booked 62 days in advance, depart on a Saturday or Wednesday and return on a Friday

Cheap flight deals from O'Hare Intl to Denver

Cheapest flights from O'Hare Intl to DenverExplore the most affordable flight options available from O'Hare Intl to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Explore the most affordable flight options available from O'Hare Intl to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

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Best time to book a flight from O'Hare Intl to Denver

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Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Denver

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The best insider tips for Chicago O'Hare Intl Airport to Denver flights

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Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to Denver trip

Airlines

Frontier

United Airlines

Southwest

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ORD

DEN

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Reviews of airlines servicing Denver

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Denver?

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Alternative routes for O'Hare Intl to Denver

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Top 4 airlines flying from O'Hare Intl to Denver

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Cheapest flights from O'Hare Intl to Denver
Explore the most affordable flight options available from O'Hare Intl to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.