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$78+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DEN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Denver Intl are usually found in September or November, booked 90 days in advance, depart on a Friday or Wednesday and return on a Friday

Cheap flight deals from O'Hare Intl to Denver

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$136
(Cheapflightsfares)

One-way from

$78
(American Airlines)

Popular in

June

Cheapest in

September

Average price

$245

Good round-trip deal

$183 or less

Good one-way deal

$118 or less
From Chicago O'Hare Intl to Denver Intl
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One-way flight from Chicago O'Hare Intl to Denver Intl
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Highest demand for flights based on searches. 9% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Chicago O'Hare Intl to Denver Intl.
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Price to beat on a one-way flight from Chicago O'Hare Intl to Denver Intl.
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Find 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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/167:00 amORD - DEN
Nonstop2h 53mFrontier
Mon 7/218:31 pmDEN - ORD
Nonstop2h 39mFrontier
Deal found 6/10$136
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/57:00 amORD - DEN
Nonstop2h 40mSouthwest
Sat 8/99:35 amDEN - ORD
Nonstop2h 30mSouthwest
Deal found 6/10$158
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/37:00 amORD - DEN
Nonstop2h 36mAmerican Airlines
Mon 10/67:27 amDEN - ORD
Nonstop2h 32mAmerican Airlines
Deal found 6/11$175
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/155:20 pmORD - DEN
1 stop6h 46mDelta
Sat 7/196:35 amDEN - ORD
1 stop7h 28mDelta
Deal found 6/10$217
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/46:35 pmORD - DEN
Nonstop3h 01mUnited Airlines
Mon 7/78:55 pmDEN - ORD
Nonstop2h 35mUnited Airlines
Deal found 6/11$260
This Sun Country Air deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/912:30 pmORD - DEN
1 stop21h 53mSun Country Air
Fri 7/185:49 pmDEN - ORD
1 stop22h 26mSun Country Air
Deal found 6/10$265

Cheapflights Fare Finder

Customize your flight search to find flights from O'Hare Intl to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Denver that are best for you.

Fly from

O'Hare Intl

Fly to

Denver

Route

Depart

Return

Price

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Wed 7/16

7:00 am-8:53 am

Nonstop2h 53m

Denver Intl

Mon 7/21

8:31 pm-12:10 am

Nonstop2h 39m

$136

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Tue 8/5

7:00 am-8:40 am

Nonstop2h 40m

Denver Intl

Sat 8/9

9:35 am-1:05 pm

Nonstop2h 30m

$158

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Tue 8/5

6:48 am-8:22 am

Nonstop2h 34m

Denver Intl

Sat 8/9

5:32 pm-9:18 pm

Nonstop2h 46m

$168

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Tue 7/15

5:20 pm-11:06 pm

1 stop6h 46m

Denver Intl

Mon 7/21

12:55 am-7:49 am

1 stop5h 54m

$217

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Fri 7/4

6:35 pm-8:36 pm

Nonstop3h 01m

Denver Intl

Mon 7/7

8:55 pm-12:30 am

Nonstop2h 35m

$260

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Wed 6/25

11:50 am-8:07 pm

1 stop9h 17m

Denver Intl

Thu 6/26

8:21 pm-11:59 pm

Nonstop2h 38m

$264

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Wed 7/9

12:30 pm-9:23 am

1 stop21h 53m

Denver Intl

Fri 7/18

5:49 pm-5:15 pm

1 stop22h 26m

$265

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Thu 10/16

3:04 pm-4:42 pm

Nonstop2h 38m

$78

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Mon 8/11

5:00 am-6:43 am

Nonstop2h 43m

$79

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Wed 8/27

1:30 pm-5:55 pm

1 stop5h 25m

$84

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 16 results
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The best insider tips for Chicago O'Hare Intl Airport to Denver flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
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.

Read more about Frontierby Marisa Garcia
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.

Read more about United Airlinesby Harriet Baskas
Airports
ORD

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

Read more about ORDby Ramsey Qubein
DEN

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

Read more about DENby Emily Zemler
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on ORD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Emily Zemler

Emily Zemler

Expert on DEN

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more

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

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

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Denver. Price data was last updated on June 9, 2025.

The best time to book flights from Chicago O'Hare Intl Airport to Denver is 90 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, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Denver (average of $197). Flying from Chicago O'Hare Intl Airport to Denver in March is currently the most expensive (average of $278). 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?

Find hourly flight availability from O'Hare Intl to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s optimal to fly from Chicago O'Hare Intl Airport to Denver in the afternoon. By choosing this option you can save up to 34% 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?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Denver. Price data was last updated on June 8, 2025.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Denver flight should consider departing on Saturday afternoons 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.

Weekly flight availability from Chicago O'Hare Intl Airport to Denver

Explore weekly flight availability from O'Hare Intl to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from ORD to DEN are scheduled on a Thursday (59 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (39 on average).

Rainfall in Denver by month

Plan your trip to Denver by taking into account the average rainfall totals by month.

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.

Temperature in Denver by month

Plan your trip to Denver by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated June 12, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Chicago to Denver have to say. 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 49 daily inbound flights from Chicago O'Hare Intl from 4 different airlines.

  • 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 $136. Additional round-trip tickets that might be worth considering are offered by Southwest and American Airlines, with the lowest prices starting at $158 and $168, respectively. Frontier is currently priced 35% 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 American Airlines, which is currently one of the cheapest options available, starting at $78. Southwest flights start at $79 while deals on United Airlines start at $80 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: Copa Airlines (79%), Frontier (77%), Royal Jordanian (75%).

  • 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 $76. On average you can expect to pay $681. The most popular route, (Chicago O'Hare Intl - Denver Intl), can usually be booked for $130.

  • 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, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Denver (average of $197). Flying from Chicago O'Hare Intl Airport to Denver in March is currently the most expensive (average of $278). 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

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Westminster
Black Hawk
Winter Park
Lakewood
Cripple Creek
Golden
Brighton
Silverthorne
Thornton
Frisco
Grand Lake
Broomfield
Central City
Glendale
Copper Mountain
Wheat Ridge
Longmont
Idaho Springs
Greeley
Limon

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Top 4 airlines flying from O'Hare Intl to Denver

Discover the top 4 airlines that operate flights from O'Hare Intl to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$127FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$151Average$239FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$156Average$291FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$160Average$250FlexibilityNo cancel feeOn-time63%

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