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O'Hare Intl

$67+ 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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ORD
dic. 3 — dic. 101
mié. 12/3
mié. 12/10
1 adult, Economy
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Cheap 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 noviembre 3, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$113
(CheapOair)

One-way from

$67
(United Airlines)

Popular in

May

Cheapest in

February

Average price

$193

Good round-trip deal

$221 or less

Good one-way deal

$127 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. 7% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in November 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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Find 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 noviembre 3, 2025.

This CheapOair deal was found by Cheapflights users on 11/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/56:31 pmDEN - ORD
1 stop17h 45mFrontier
dom. 12/77:00 amORD - DEN
Nonstop2h 56mFrontier
Deal found 11/3$113
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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.
mar. 11/184:00 pmDEN - ORD
Nonstop2h 38mFrontier
jue. 11/203:37 pmORD - DEN
1 stop18h 09mFrontier
Deal found 11/3$115
This Expedia deal was found by Cheapflights users on 11/3. 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.
mié. 12/311:00 pmDEN - ORD
1 stop21h 51mFrontier
dom. 12/147:00 amORD - DEN
Nonstop2h 56mFrontier
Deal found 11/3$117
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
lun. 12/18:45 pmDEN - ORD
Nonstop2h 25mFrontier
lun. 12/87:00 amORD - DEN
Nonstop2h 56mFrontier
Deal found 11/3$118
This Frontier deal was found by Cheapflights users on 11/3. 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.
sáb. 11/157:59 pmDEN - ORD
Nonstop2h 30mFrontier
mié. 11/196:05 pmORD - DEN
Nonstop2h 54mFrontier
Deal found 11/3$119
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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.
mar. 11/184:00 pmDEN - ORD
Nonstop2h 38mFrontier
mié. 11/196:05 pmORD - DEN
Nonstop2h 54mFrontier
Deal found 11/3$120
This CheapOair deal was found by Cheapflights users on 11/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/157:59 pmDEN - ORD
Nonstop2h 30mFrontier
dom. 11/167:05 amORD - DEN
1 stop26h 38mFrontier
Deal found 11/2$123
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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.
mar. 12/212:59 amDEN - ORD
1 stop12h 32mFrontier
vie. 12/54:38 pmORD - DEN
1 stop16h 49mFrontier
Deal found 11/3$124
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
mar. 12/210:50 amDEN - ORD
1 stop19h 53mMultiple Airlines
vie. 12/57:00 amORD - DEN
Nonstop2h 56mMultiple Airlines
Deal found 11/2$125
This Frontier deal was found by Cheapflights users on 11/2. 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.
mar. 12/912:59 amDEN - ORD
1 stop12h 32mFrontier
vie. 12/127:00 amORD - DEN
Nonstop2h 56mFrontier
Deal found 11/2$126
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
lun. 11/246:50 amDEN - ORD
1 stop17h 02mFrontier
dom. 12/77:00 amORD - DEN
Nonstop2h 56mFrontier
Deal found 11/2$127
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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.
sáb. 12/139:00 pmDEN - ORD
1 stop24h 41mFrontier
lun. 12/155:17 pmORD - DEN
1 stop20h 15mFrontier
Deal found 11/2$128

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 noviembre 3, 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

mar. 12/2

12:59 am-2:31 pm

1 stop12h 32m

Chicago O'Hare Intl

dom. 12/7

3:47 pm-8:27 am

1 stop17h 40m

$124

DenverChicago

DEN - ORD

DENORD

Denver Intl

mié. 3/4

2:12 pm-10:23 pm

1 stop7h 11m

Chicago O'Hare Intl

sáb. 3/7

7:00 am-8:56 am

Nonstop2h 56m

$125

DenverChicago

DEN - ORD

DENORD

Denver Intl

dom. 11/16

12:59 am-10:41 am

1 stop8h 42m

Chicago O'Hare Intl

lun. 11/17

3:30 pm-12:47 am

1 stop10h 17m

$128

DenverChicago

DEN - ORD

DENORD

Denver Intl

jue. 11/27

8:45 pm-12:10 am

Nonstop2h 25m

Chicago O'Hare Intl

lun. 12/1

6:30 am-9:42 am

1 stop28h 12m

$164

DenverChicago

DEN - ORD

DENORD

Denver Intl

mié. 12/3

9:00 pm-12:47 pm

1 stop14h 47m

Chicago O'Hare Intl

dom. 12/7

12:59 pm-12:20 am

2 stops12h 21m

$185

DenverChicago

DEN - ORD

DENORD

Denver Intl

vie. 12/5

6:00 am-9:40 am

Nonstop2h 40m

Chicago O'Hare Intl

vie. 12/5

6:15 pm-8:04 pm

Nonstop2h 49m

$197

DenverChicago

DEN - ORD

DENORD

Denver Intl

mié. 2/4

12:30 am-10:08 am

1 stop8h 38m

Chicago O'Hare Intl

dom. 2/8

6:50 am-1:35 pm

1 stop7h 45m

$197

DenverChicago

DEN - ORD

DENORD

Denver Intl

jue. 2/12

10:30 am-2:05 pm

Nonstop2h 35m

Chicago O'Hare Intl

lun. 2/16

5:15 pm-12:10 am

1 stop7h 55m

$200

Grand JunctionChicago

GJT - ORD

GJTORD

Grand Junction Regnl

mar. 12/2

6:14 pm-11:59 pm

1 stop4h 45m

Chicago O'Hare Intl

mar. 12/9

7:10 am-10:49 am

1 stop4h 39m

$211

DenverChicago

DEN - ORD

DENORD

Denver Intl

vie. 11/28

5:20 am-12:15 pm

1 stop5h 55m

Chicago O'Hare Intl

mié. 12/3

2:15 pm-9:35 pm

1 stop8h 20m

$216

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

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 $59). Flying from Colorado to Chicago O'Hare Intl Airport in June is currently the most expensive (average of $122). 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 noviembre 3, 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 59% 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 November 2, 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. Sunday 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 noviembre 3, 2025.

The most flights from USCO to ORD are scheduled on a Monday (54 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (31 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 Delta can get you from Colorado to Chicago O'Hare Intl Airport in just under 4h 45m. Your travel time can differ by up to 7h 47m. The distance from Colorado to Chicago O'Hare Intl Airport is about 1097 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $67. Frontier flights start at $69 while deals on Delta start at $141 one-way.

  • 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 Colorado Springs - Chicago O'Hare Intl or Vail Eagle County - 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: Japan Airlines (95%), Turkish Airlines (93%), Austrian Airlines( 89%).

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

    On average you can expect to pay $878 for a flight from Colorado to Chicago O'Hare Intl Airport. The cheapest flight overall is $72 while the most popular route, (Denver Intl - Chicago O'Hare Intl) is currently priced at $108.

  • 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 $59). Flying from Colorado to Chicago O'Hare Intl Airport in June is currently the most expensive (average of $122). 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
Skokie
Des Plaines
Gurnee
Hoffman Estates
Beloit
Elgin
Oak Brook
Elk Grove Village
Naperville
Racine
Downers Grove
Rockford
Orland Park
Merrillville
Bridgeview
Warrenville
Waukegan
Aurora

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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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Denver to Midway flights
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Philadelphia to Midway flights
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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 noviembre 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$66Average$176FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$156Average$262FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$157Average$405FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$166Average$435FlexibilityNo cancel feeOn-time69%

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