What is the cheapest airline that flies from Chicago O'Hare Intl to Colorado?

Delta, United Airlines, and American Airlines are the most popular carriers operating from Chicago O'Hare Intl to Colorado

What airlines fly to Colorado?

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Colorado from Chicago O'Hare Intl Airport according to our data. United Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 6 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Colorado?

Prices for flights from Chicago O'Hare Intl Airport to Colorado are updated daily.

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Colorado?

There are 6 operators available for flights from Chicago O'Hare Intl Airport to Colorado as of July 2026.

How old do you have to be to fly from Chicago O'Hare Intl Airport to Colorado?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Colorado.

What documentation or ID do you need to fly to Colorado?

The travel and health documents you'll need for your trip to Colorado may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Colorado. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$106 Cheap Flights from Chicago O'Hare Intl Airport to Colorado in 2026

Q: How many flights depart from Chicago O'Hare Intl Airport to Colorado on average per day?

As of July 2026, there are 58 flights per day flying from Chicago O'Hare Intl Airport to Colorado. The most common time of day flights depart is 10:00PM, with 42% of flights taking off in the evening.

Q: How many flights depart from Chicago O'Hare Intl Airport to Colorado on average per week?

As of July 2026, 408 flights take off from Chicago O'Hare Intl Airport and land in Colorado each week. The most common flight departure day for this route is Fri, with 20% of weekly flights taking off on this day.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago O'Hare Intl Airport to Colorado

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:57 pm - 11:57 pm

ORD

DEN

3h 00mnonstop

5:05 pm - 8:52 pm

DEN

ORD

2h 47mnonstop

$173Frontier

Thu, Jul 23 - Tue, Jul 28

9:57 pm - 11:57 pm

ORD

DEN

3h 00mnonstop

5:05 pm - 8:52 pm

DEN

ORD

2h 47mnonstop

$174Frontier

Fri, Jul 24 - Tue, Jul 28

8:46 am - 10:33 am

ORD

COS

2h 47mnonstop

11:55 am - 3:38 pm

COS

ORD

2h 43mnonstop

$267United Airlines

Thu, Aug 20 - Mon, Aug 24

8:46 am - 10:33 am

ORD

COS

2h 47mnonstop

11:55 am - 3:38 pm

COS

ORD

2h 43mnonstop

$271United Airlines

Tue, Aug 11 - Sat, Aug 15

5:00 am - 9:18 am

ORD

COS

5h 18m

1 stop

12:37 pm - 4:30 pm

COS

ORD

2h 53mnonstop

$277American Airlines

Thu, Aug 6 - Tue, Aug 11

10:56 am - 12:47 pm

ORD

COS

2h 51mnonstop

5:13 pm - 12:18 am

COS

ORD

6h 05m

1 stop

$281American Airlines

Tue, Aug 11 - Sat, Aug 15

11:17 am - 7:56 pm

ORD

COS

9h 39m

2 stops

1:30 pm - 9:00 pm

COS

ORD

6h 30m

1 stop

$292Delta

Sat, Oct 3 - Sat, Oct 10

9:57 pm - 12:13 pm

ORD

GJT

39h 16m

2 stops

12:53 pm - 5:37 am

GJT

ORD

15h 44m

1 stop

$387Multiple Airlines

Tue, Jul 21 - Tue, Jul 28

7:29 am - 12:43 pm

ORD

GJT

30h 14m

1 stop

12:53 pm - 5:37 am

GJT

ORD

15h 44m

1 stop

$388Multiple Airlines

Sat, Aug 1 - Tue, Aug 4

5:30 am - 11:21 am

ORD

ASE

6h 51m

1 stop

7:30 am - 7:38 pm

ASE

ORD

11h 08m

2 stops

$396Delta

Tue, Oct 6 - Fri, Oct 9

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Frontier flights from Chicago O'Hare Intl Airport to Colorado

Our best Frontier deals on Chicago O'Hare Intl Airport to Colorado flight tickets

Frontier

Aug 13

ORD9:57 pmChicago O'Hare Intl

3h 00m

DEN11:57 pmDenver Intl

Aug 18

DEN10:43 amDenver Intl

8h 25m

1 stop

ORD8:08 pmChicago O'Hare Intl

$173

Frontier

Jul 24

ORD9:57 pmChicago O'Hare Intl

3h 00m

DEN11:57 pmDenver Intl

Jul 28

DEN5:05 pmDenver Intl

2h 47m

ORD8:52 pmChicago O'Hare Intl

$174

Frontier

Aug 9

ORD9:57 pmChicago O'Hare Intl

3h 00m

DEN11:57 pmDenver Intl

Aug 21

DEN9:55 amDenver Intl

2h 41m

ORD1:36 pmChicago O'Hare Intl

$175

American Airlines flights from Chicago O'Hare Intl Airport to Colorado

Our best American Airlines deals on Chicago O'Hare Intl Airport to Colorado flight tickets

American Airlines

Aug 22

ORD7:14 amChicago O'Hare Intl

2h 36m

DEN8:50 amDenver Intl

Aug 24

DEN6:56 amDenver Intl

2h 44m

ORD10:40 amChicago O'Hare Intl

$217

American Airlines

Aug 6

ORD5:00 amChicago O'Hare Intl

5h 18m

1 stop

COS9:18 amColorado Springs

Aug 11

COS12:37 pmColorado Springs

2h 53m

ORD4:30 pmChicago O'Hare Intl

$277

American Airlines

Aug 11

ORD10:56 amChicago O'Hare Intl

2h 51m

COS12:47 pmColorado Springs

Aug 15

COS5:13 pmColorado Springs

6h 05m

1 stop

ORD12:18 amChicago O'Hare Intl

$281

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Thu 7/23

9:57 pm-11:57 pm

Nonstop3h 00m

Denver Intl

Tue 7/28

5:05 pm-8:52 pm

Nonstop2h 47m

$173

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Fri 7/24

9:57 pm-11:57 pm

Nonstop3h 00m

Denver Intl

Tue 7/28

5:05 pm-8:52 pm

Nonstop2h 47m

$174

Quickest round-trip

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

Thu 8/20

8:46 am-10:33 am

Nonstop2h 47m

Colorado Springs

Mon 8/24

11:55 am-3:38 pm

Nonstop2h 43m

$267

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

Tue 8/11

8:46 am-10:33 am

Nonstop2h 47m

Colorado Springs

Sat 8/15

11:55 am-3:38 pm

Nonstop2h 43m

$271

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

Thu 8/6

5:00 am-9:18 am

1 stop5h 18m

Colorado Springs

Tue 8/11

12:37 pm-4:30 pm

Nonstop2h 53m

$277

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

Tue 8/11

10:56 am-12:47 pm

Nonstop2h 51m

Colorado Springs

Sat 8/15

5:13 pm-12:18 am

1 stop6h 05m

$281

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

Sat 10/3

11:17 am-7:56 pm

2 stops9h 39m

Colorado Springs

Sat 10/10

1:30 pm-9:00 pm

1 stop6h 30m

$292

ChicagoGrand Junction

ORD - GJT

ORDGJT

Chicago O'Hare Intl

Tue 7/21

9:57 pm-12:13 pm

2 stops39h 16m

Grand Junction Regnl

Tue 7/28

12:53 pm-5:37 am

1 stop15h 44m

$387

ChicagoGrand Junction

ORD - GJT

ORDGJT

Chicago O'Hare Intl

Sat 8/1

7:29 am-12:43 pm

1 stop30h 14m

Grand Junction Regnl

Tue 8/4

12:53 pm-5:37 am

1 stop15h 44m

$388

ChicagoAspen

ORD - ASE

ORDASE

Chicago O'Hare Intl

Tue 10/6

5:30 am-11:21 am

1 stop6h 51m

Aspen Pitkin County

Fri 10/9

7:30 am-7:38 pm

2 stops11h 08m

$396

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Colorado

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Colorado?

The month of September is, on average, the cheapest month to fly to Colorado from Chicago O'Hare Intl Airport, with most prices found around $247. The month of July is another great option to travel to Colorado, with average flight prices from Chicago O'Hare Intl Airport averaging around $276.

What is the cheapest day to depart on your flight to Colorado?

The cheapest day to depart from Chicago O'Hare Intl Airport to Colorado is on a Wednesday when prices can be found for as low as $255. On the other hand, Monday is the most expensive day to depart from Chicago O'Hare Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $341.

What is the cheapest time of day to depart on your flight to Colorado?

The cheapest time of day to fly to Colorado is in the evening when flights can be purchased for as low as $238. In the afternoon is when there is more demand to fly to Colorado, so prices are often more expensive at around $313 per ticket.

What is the cheapest Chicago O'Hare Intl to Colorado flight route?

Fly from Chicago O'Hare Intl to Denver Intl for the best Chicago O'Hare Intl - Colorado flight prices

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Colorado?

You are more likely to see cheaper flights to Colorado from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $245 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Chicago O'Hare Intl Airport for as low as $203 on momondo.

What cabin class options are available on Chicago O'Hare Intl Airport to Colorado flights?

There are 4 cabin classes available to choose from on Chicago O'Hare Intl Airport to Colorado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago O'Hare Intl Airport to Colorado flights?

No. A direct flight is the cheapest option for a flight between Chicago O'Hare Intl Airport to Colorado.

Cheap Chicago O'Hare Intl Airport to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Colorado

Best Price Found	$144
Fastest flight time	2h 39m
Direct flights	Every day
Airports in Colorado	87 airports

The best one-way flight to Colorado from Chicago O'Hare Intl Airport in the past 72 hours is $144. The best round-trip flight deal from Chicago O'Hare Intl Airport to Colorado found on momondo in the last 72 hours is $249.

The fastest flight from Chicago O'Hare Intl Airport to Colorado takes 2h 39m

Direct flights go from Chicago O'Hare Intl Airport to Colorado every day.

There are 87 airports in Colorado. From Chicago O'Hare Intl Airport there are direct flights to Colorado Springs (COS), Denver Intl (DEN).

Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Colorado

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Colorado?
Prices for flights from Chicago O'Hare Intl Airport to Colorado are updated daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Colorado?
There are 6 operators available for flights from Chicago O'Hare Intl Airport to Colorado as of July 2026.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Colorado?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Colorado.
What documentation or ID do you need to fly to Colorado?
The travel and health documents you'll need for your trip to Colorado may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Colorado. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Chicago O'Hare Intl Airport to Colorado?
momondo data reveals that the most frequently booked plane model on the route from Chicago O'Hare Intl Airport to Colorado is Boeing 737-800, representing 15.70% of all bookings. The subsequent popular models are Airbus A321neo at 14.49%, Airbus A321-100/200 at 10.51%, and Airbus A319 at 10.50%.

Best airlines flying from Chicago O'Hare Intl Airport to Colorado

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Colorado with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $70	Free Cancellation	Rating 5.6 2,848 reviews	Search Frontier flights
Delta	PriceFrom $105	Free Cancellation	Rating 7.8 8,453 reviews	Search Delta flights
JetBlue	PriceFrom $145	Free Cancellation	Rating 7.1 3,009 reviews	Search JetBlue flights
Southwest	PriceFrom $147	Free Cancellation	Rating 7.9 4,250 reviews	Search Southwest flights
American Airlines	PriceFrom $153	Free Cancellation	Rating 7.1 11,766 reviews	Search American Airlines flights
United Airlines	PriceFrom $166	Free Cancellation	Rating 7.4 9,927 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Colorado?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Colorado for you.

Can I find flights from Chicago to Colorado with flexible booking policies on momondo?

Yes. All flights to Colorado from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Chicago to Colorado?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Colorado.

I’m not ready to book a flight from Chicago to Colorado right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Chicago to Colorado flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Flights to New Yorkfrom $53

Flights to Los Angelesfrom $50

Flights to Orlandofrom $50

Flights to Miamifrom $69

Flights to Chicagofrom $67

Flights to San Franciscofrom $56

Flights to Las Vegasfrom $50

Flights to Washington, D.C.from $53

Flights to Bostonfrom $88

Flights to Atlantafrom $56

Flights to Fort Lauderdalefrom $59

Flights to Dallasfrom $50

Cheap flights from Chicago O'Hare Intl Airport to Colorado from $106

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Frontier flights from Chicago O'Hare Intl Airport to Colorado

Our best Frontier deals on Chicago O'Hare Intl Airport to Colorado flight tickets

American Airlines flights from Chicago O'Hare Intl Airport to Colorado

Our best American Airlines deals on Chicago O'Hare Intl Airport to Colorado flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Colorado that are best for you.

See travel insights to Colorado from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Colorado

What is the cheapest month to fly to Colorado?

What is the cheapest day to depart on your flight to Colorado?

What is the cheapest time of day to depart on your flight to Colorado?

What is the cheapest Chicago O'Hare Intl to Colorado flight route?

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Colorado?

What cabin class options are available on Chicago O'Hare Intl Airport to Colorado flights?

Can stopping save me money on Chicago O'Hare Intl Airport to Colorado flights?

What is the cheapest airline that flies from Chicago O'Hare Intl to Colorado?

What airlines fly to Colorado?

How many flights depart from Chicago O'Hare Intl Airport to Colorado on average per day?

How many flights depart from Chicago O'Hare Intl Airport to Colorado on average per week?

Cheap Chicago O'Hare Intl Airport to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Colorado

Best Price Found

Fastest flight time

Direct flights

Airports in Colorado

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Colorado

Best airlines flying from Chicago O'Hare Intl Airport to Colorado

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Colorado with momondo

Why use momondo?

An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Colorado

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