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O'Hare Intl

$68+ Cheap flights from Colorado to O'Hare Intl (ORD)

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.
DEN — ORD
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
1 adult, Economy
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Cheap flight deals from Colorado to O'Hare Intl

Cheapest flights from Colorado to O'Hare Intl
Explore the most affordable flight options available from Colorado to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 26, 2025.

This Orbitz deal was found by Cheapflights users on 12/24. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:45 pmDEN - ORD
Nonstop2h 27mFrontier
Thu 1/88:00 amORD - DEN
1 stop17h 59mFrontier
Deal found 12/24$120
This Frontier deal was found by Cheapflights users on 12/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:45 pmDEN - ORD
Nonstop2h 27mFrontier
Fri 1/94:30 pmORD - DEN
Nonstop3h 01mFrontier
Deal found 12/24$123
This Kiwi.com deal was found by Cheapflights users on 12/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:45 pmDEN - ORD
Nonstop2h 27mFrontier
Wed 1/78:35 amORD - DEN
1 stop17h 48mFrontier
Deal found 12/24$128
This Kiwi.com deal was found by Cheapflights users on 12/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:45 pmDEN - ORD
Nonstop2h 27mFrontier
Thu 1/15:25 amORD - DEN
1 stop9h 50mFrontier
Deal found 12/24$134
This Frontier deal was found by Cheapflights users on 12/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:45 pmDEN - ORD
Nonstop2h 27mFrontier
Mon 1/57:25 amORD - DEN
1 stop9h 45mFrontier
Deal found 12/24$141
This Expedia deal was found by Cheapflights users on 12/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:45 pmDEN - ORD
Nonstop2h 27mFrontier
Fri 1/212:26 pmORD - DEN
1 stop20h 49mFrontier
Deal found 12/24$145
This Super.com deal was found by Cheapflights users on 12/24. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:45 pmDEN - ORD
Nonstop2h 27mFrontier
Sun 1/45:08 pmORD - DEN
1 stop8h 17mFrontier
Deal found 12/24$171
This United Airlines deal was found by Cheapflights users on 12/24. 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.
Wed 12/311:37 pmHDN - ORD
2 stops21h 28mUnited Airlines
Thu 1/13:42 pmORD - HDN
1 stop5h 34mUnited Airlines
Deal found 12/24$334
This United Airlines deal was found by Cheapflights users on 12/24. 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.
Tue 12/3012:25 pmHDN - ORD
Nonstop3h 01mUnited Airlines
Thu 1/19:15 amORD - HDN
Nonstop3h 12mUnited Airlines
Deal found 12/24$419
This American Airlines deal was found by Cheapflights users on 12/25. 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 12/2612:21 pmMTJ - ORD
1 stop7h 58mAmerican Airlines
Tue 12/305:21 amORD - MTJ
1 stop7h 19mAmerican Airlines
Deal found 12/25$509
This United Airlines deal was found by Cheapflights users on 12/23. 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.
Wed 12/316:23 pmCOS - ORD
1 stop4h 36mUnited Airlines
Sun 1/47:50 pmORD - COS
Nonstop3h 00mUnited Airlines
Deal found 12/23$513
This United Airlines deal was found by Cheapflights users on 12/23. 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.
Wed 12/241:36 pmEGE - ORD
2 stops23h 42mUnited Airlines
Thu 12/254:20 pmORD - EGE
Nonstop3h 01mUnited Airlines
Deal found 12/23$529

Find flight deals from Colorado to O'Hare Intl

Keep the following information in mind while searching for Colorado to O'Hare Intl flight deals. Data was last updated December 26, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$106
(Kiwi.com)

One-way from

$68
(Cheapflightsfares)

Popular in

November

Cheapest in

January

Average price

$251

Good round-trip deal

$246 or less

Good one-way deal

$124 or less
Provider with most accurate pricing for Denver Intl-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Chicago (CHI) flights.
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From Colorado to Chicago O'Hare Intl
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One-way flight from Colorado to Chicago O'Hare Intl
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Highest demand for flights based on searches. 12% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Colorado to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Colorado to Chicago O'Hare Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to O'Hare Intl 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 December 26, 2025.
Use the filters below to find and compare flights from Colorado to Chicago O'Hare Intl Airport that are best for you.

Fly from

Colorado

Fly to

O'Hare Intl

Route

Depart

Return

Price

DenverChicago

DEN - ORD

DENORD

Denver Intl

Thu 4/2

8:45 pm-12:12 am

Nonstop2h 27m

Chicago O'Hare Intl

Sun 4/5

7:00 am-8:56 am

Nonstop2h 56m

$142

DenverChicago

DEN - ORD

DENORD

Denver Intl

Fri 1/16

5:41 pm-9:24 pm

Nonstop2h 43m

Chicago O'Hare Intl

Fri 2/6

12:07 pm-2:05 pm

Nonstop2h 58m

$147

DenverChicago

DEN - ORD

DENORD

Denver Intl

Fri 1/16

1:54 pm-11:43 pm

1 stop8h 49m

Chicago O'Hare Intl

Mon 1/19

2:30 pm-4:41 pm

Nonstop3h 11m

$159

DenverChicago

DEN - ORD

DENORD

Denver Intl

Sat 1/24

3:15 pm-6:46 pm

Nonstop2h 31m

Chicago O'Hare Intl

Sat 1/31

7:00 am-8:49 am

Nonstop2h 49m

$179

DenverChicago

DEN - ORD

DENORD

Denver Intl

Thu 2/19

4:15 pm-7:50 pm

Nonstop2h 35m

Chicago O'Hare Intl

Sat 2/21

8:07 pm-10:05 pm

Nonstop2h 58m

$187

DenverChicago

DEN - ORD

DENORD

Denver Intl

Thu 4/23

8:52 pm-12:30 am

Nonstop2h 38m

Chicago O'Hare Intl

Sat 4/25

2:30 pm-4:24 pm

Nonstop2h 54m

$191

DenverChicago

DEN - ORD

DENORD

Denver Intl

Thu 2/19

7:45 am-11:19 am

Nonstop2h 34m

Chicago O'Hare Intl

Sun 2/22

9:15 pm-11:06 pm

Nonstop2h 51m

$196

DenverChicago

DEN - ORD

DENORD

Denver Intl

Sat 1/10

9:00 pm-7:40 pm

1 stop21h 40m

Chicago O'Hare Intl

Wed 1/14

5:53 pm-1:37 am

1 stop8h 44m

$199

DurangoChicago

DRO - ORD

DROORD

Durango La Plata County

Fri 1/23

4:48 pm-11:44 pm

1 stop5h 56m

Chicago O'Hare Intl

Sun 1/25

5:05 am-12:50 pm

1 stop8h 45m

$200

DurangoChicago

DRO - ORD

DROORD

Durango La Plata County

Fri 1/16

4:48 pm-11:44 pm

1 stop5h 56m

Chicago O'Hare Intl

Mon 1/19

5:00 am-11:17 am

1 stop7h 17m

$200

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/23

Showing 1-10 of 60 results
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Best time to book a flight from Colorado to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Colorado 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 Colorado to Chicago O'Hare Intl Airport

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

Currently, February is the cheapest month in which you can book a flight from Colorado to Chicago O'Hare Intl Airport (average of $58). Flying from Colorado to Chicago O'Hare Intl Airport in December is currently the most expensive (average of $138). 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 CO to ORD?

Find hourly flight availability from Colorado to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 26, 2025.

It’s optimal to fly from Colorado to Chicago O'Hare Intl Airport in the evening. By choosing this option you can save up to 60% on the cost of your flight, compared to a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Colorado to O'Hare Intl. Price data was last updated on December 20, 2025.

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

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

Explore weekly flight availability from Colorado to O'Hare Intl. 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 December 26, 2025.

The most flights from USCO to ORD are scheduled on a Thursday (47 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (35 on average).

Related info for your journey

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

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

    Frontier, United Airlines, and American Airlines can get you from Colorado to Chicago O'Hare Intl Airport in just under 2h 27m. Your travel time can differ by up to 3h 29m. The distance from Colorado to Chicago O'Hare Intl Airport is about 886 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Colorado to Chicago O'Hare Intl Airport?

    The most popular route from Colorado to Chicago O'Hare Intl Airport is Denver Intl - Chicago O'Hare Intl. You may also consider Montrose County - Chicago O'Hare Intl or Colorado Springs - Chicago O'Hare Intl.

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

    Before booking your flight to Chicago O'Hare Intl Airport from Colorado, check out the most reliable airlines to get you to your destination on time: Volaris (100%), Royal Jordanian (88%), Copa Airlines( 87%).

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

    On average you can expect to pay $926 for a flight from Colorado to Chicago O'Hare Intl Airport. The cheapest flight overall is $64 while the most popular route, (Denver Intl - Chicago O'Hare Intl) is currently priced at $122.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado to O'Hare Intl 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 Colorado to Chicago O'Hare Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Colorado to Chicago O'Hare Intl Airport (average of $58). Flying from Colorado to Chicago O'Hare Intl Airport in December is currently the most expensive (average of $138). 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
Schaumburg
Rosemont
Gurnee
Elgin
Naperville
Hoffman Estates
Beloit
Delavan
Oak Brook
Downers Grove
Des Plaines
Elk Grove Village
Skokie
Lake Geneva
Bridgeview
Kenosha
Warrenville
Waukegan
Aurora
Evanston

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Alternative routes for Colorado to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Stewart to O'Hare Intl flights

Top 4 airlines flying from Colorado to O'Hare Intl

Discover the top 4 airlines that operate flights from Colorado to O'Hare Intl. 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 December 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$64Average$172FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$156Average$264FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$156Average$405FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$162Average$439FlexibilityNo cancel feeOn-time69%

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