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O'Hare Intl

$63+ 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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ORD
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$108
(Cheapflightsfares)

One-way from

$63
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$218

Good round-trip deal

$261 or less

Good one-way deal

$138 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. 5% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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.
Thu 4/178:50 pmDEN - ORD
Nonstop2h 20mFrontier
Mon 4/216:40 amORD - DEN
Nonstop2h 54mFrontier
Deal found 3/27$108
This Southwest deal was found by Cheapflights users on 3/27. 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.
Thu 5/17:30 pmDEN - ORD
Nonstop2h 35mSouthwest
Sat 5/35:25 pmORD - DEN
Nonstop2h 50mSouthwest
Deal found 3/27$164
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Thu 4/249:05 pmDEN - ORD
Nonstop2h 30mUnited Airlines
Thu 5/17:10 amORD - DEN
Nonstop2h 56mUnited Airlines
Deal found 3/27$169
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Thu 5/83:49 pmDEN - ORD
Nonstop2h 34mAmerican Airlines
Tue 5/279:45 pmORD - DEN
Nonstop2h 48mAmerican Airlines
Deal found 3/27$183
This Gotogate deal was found by Cheapflights users on 3/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1210:33 amDEN - ORD
1 stop7h 38mMultiple Airlines
Tue 6/175:40 amORD - DEN
Nonstop2h 52mMultiple Airlines
Deal found 3/27$193
This Delta deal was found by Cheapflights users on 3/27. 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.
Thu 4/2410:40 amDEN - ORD
1 stop6h 34mDelta
Thu 5/19:55 amORD - DEN
1 stop6h 50mDelta
Deal found 3/27$217
This eDestinos deal was found by Cheapflights users on 3/27. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2810:20 amDEN - ORD
1 stop7h 52mSun Country Air
Mon 9/18:10 pmORD - DEN
1 stop14h 09mSun Country Air
Deal found 3/27$228
This United Airlines deal was found by Cheapflights users on 3/26. 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 4/168:50 amCOS - ORD
Nonstop2h 45mUnited Airlines
Wed 4/167:45 pmORD - COS
Nonstop3h 04mUnited Airlines
Deal found 3/26$255
This United Airlines deal was found by Cheapflights users on 3/27. 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 7/256:15 pmASE - ORD
1 stop5h 15mUnited Airlines
Sun 8/35:00 amORD - ASE
1 stop4h 42mUnited Airlines
Deal found 3/27$259
This Delta deal was found by Cheapflights users on 3/27. 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.
Thu 4/241:41 pmCOS - ORD
1 stop6h 09mDelta
Tue 4/2912:15 pmORD - COS
2 stops8h 07mDelta
Deal found 3/27$280
This American Airlines deal was found by Cheapflights users on 3/26. 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.
Sun 8/3112:13 pmCOS - ORD
Nonstop2h 44mAmerican Airlines
Mon 9/19:45 amORD - COS
Nonstop2h 45mAmerican Airlines
Deal found 3/26$281
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Sat 6/74:30 pmDRO - ORD
1 stop7h 29mAmerican Airlines
Sat 6/146:55 pmORD - DRO
1 stop6h 13mAmerican Airlines
Deal found 3/27$298

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 March 28, 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 4/17

8:50 pm-12:10 am

Nonstop2h 20m

Chicago O'Hare Intl

Mon 4/21

6:40 am-8:34 am

Nonstop2h 54m

$108

DenverChicago

DEN - ORD

DENORD

Denver Intl

Thu 5/1

7:30 pm-11:05 pm

Nonstop2h 35m

Chicago O'Hare Intl

Sat 5/3

5:25 pm-7:15 pm

Nonstop2h 50m

$164

DenverChicago

DEN - ORD

DENORD

Denver Intl

Thu 4/24

9:05 pm-12:35 am

Nonstop2h 30m

Chicago O'Hare Intl

Thu 5/1

7:10 am-9:06 am

Nonstop2h 56m

$169

DenverChicago

DEN - ORD

DENORD

Denver Intl

Thu 5/8

3:49 pm-7:23 pm

Nonstop2h 34m

Chicago O'Hare Intl

Tue 5/27

9:45 pm-11:33 pm

Nonstop2h 48m

$183

DenverChicago

DEN - ORD

DENORD

Denver Intl

Thu 6/12

10:33 am-7:11 pm

1 stop7h 38m

Chicago O'Hare Intl

Tue 6/17

5:40 am-7:32 am

Nonstop2h 52m

$193

DenverChicago

DEN - ORD

DENORD

Denver Intl

Thu 4/24

10:40 am-6:14 pm

1 stop6h 34m

Chicago O'Hare Intl

Thu 5/1

9:55 am-3:45 pm

1 stop6h 50m

$217

DenverChicago

DEN - ORD

DENORD

Denver Intl

Thu 8/28

10:20 am-7:12 pm

1 stop7h 52m

Chicago O'Hare Intl

Mon 9/1

8:10 pm-9:19 am

1 stop14h 09m

$228

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

Wed 4/16

8:50 am-12:35 pm

Nonstop2h 45m

Chicago O'Hare Intl

Wed 4/16

7:45 pm-9:49 pm

Nonstop3h 04m

$255

AspenChicago

ASE - ORD

ASEORD

Aspen Pitkin County

Fri 7/25

6:15 pm-12:30 am

1 stop5h 15m

Chicago O'Hare Intl

Sun 8/3

5:00 am-8:42 am

1 stop4h 42m

$259

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

Thu 4/24

1:41 pm-8:50 pm

1 stop6h 09m

Chicago O'Hare Intl

Tue 4/29

12:15 pm-7:22 pm

2 stops8h 07m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 56 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, August is the cheapest month in which you can book a flight from Colorado to Chicago O'Hare Intl Airport (average of $245). Flying from Colorado to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $323). 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 March 28, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Chicago O'Hare Intl Airport as you normally would.

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 March 28, 2025.

The most flights from USCO to ORD are scheduled on a Thursday (53 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (14 on average).

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 23.0 F).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated March 28, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from Colorado to Chicago by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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.

  • 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 Frontier, which is currently one of the cheapest options available, starting at $63. United Airlines flights start at $80 while deals on Southwest start at $95 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 Aspen Pitkin 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: Copa Airlines (93%), Turkish Airlines (90%), Qatar Airways( 90%).

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

    On average you can expect to pay $2,589 for a flight from Colorado to Chicago O'Hare Intl Airport. The cheapest flight overall is $69 while the most popular route, (Denver Intl - Chicago O'Hare Intl) is currently priced at $138.

  • 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, August is the cheapest month in which you can book a flight from Colorado to Chicago O'Hare Intl Airport (average of $245). Flying from Colorado to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $323). 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 Colorado?

Book flights to Colorado if you plan to visit one of these locations
Rosemont
Beloit
Naperville
Schaumburg
Racine
Hoffman Estates
Rockford
Tinley Park
Skokie
Kenosha
Arlington Heights
Joliet
Orland Park
Merrillville
Northbrook
Evanston
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Elgin
Glenview
Lake Geneva

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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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LaGuardia to Midway flights
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Baltimore to Midway flights
Boston to Midway flights
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Miami to O'Hare Intl flights
Minneapolis to Midway flights
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Charlotte to O'Hare Intl flights
Philadelphia to Midway flights
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Seattle to Midway flights
Tampa to O'Hare Intl flights
Love Field to O'Hare Intl flights
Portland to O'Hare Intl flights
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Hobby to Midway flights
Oakland to O'Hare Intl flights
Cleveland 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$44Average$128FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$145Average$388FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$147Average$463FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$155Average$294FlexibilityNo cancel feeOn-time63%
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