What airlines fly to Colorado?

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Colorado from Chicago according to our data. United Airlines is the first choice among our users, with 38% 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.

How many flights depart from Chicago to Colorado on average per day?

As of June 2026, 73 flights take off from Chicago and land in Colorado each day. The most common flight departure time for this route is 10:00PM, with 38% of daily flights taking off in the evening.

What is the cheapest airline that flies from Chicago to Colorado?

United Airlines, Southwest, and Delta are the most popular carriers operating from Chicago to Colorado

How many flights depart from Chicago to Colorado on average per week?

513 flights are operational weekly from Chicago to Colorado as of June 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

When did momondo last update prices for flights from Chicago to Colorado?

Prices for flights from Chicago to Colorado were last updated today.

How many operators does momondo search for flights from Chicago to Colorado?

The number of operators available for flights from Chicago to Colorado is 6 as of June 2026.

How old do you have to be to fly from Chicago to Colorado?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to Colorado.

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

The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$100 Cheap Flights from Chicago to Colorado in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago 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

$171Frontier

Tue, Aug 4 - Thu, Aug 6

9:57 pm - 11:57 pm

ORD

DEN

3h 00mnonstop

5:05 pm - 8:52 pm

DEN

ORD

2h 47mnonstop

$172Frontier

Fri, Aug 7 - Sat, Aug 8

5:30 am - 7:05 am

MDW

DEN

2h 35mnonstop

6:30 am - 9:50 am

DEN

MDW

2h 20mnonstop

$205Southwest

Wed, Jul 29 - Wed, Aug 5

12:00 pm - 1:30 pm

MDW

DEN

2h 30mnonstop

1:55 pm - 7:25 pm

DEN

MDW

4h 30m

1 stop

$211Southwest

Tue, Sep 1 - Wed, Sep 2

10:56 am - 12:47 pm

ORD

COS

2h 51mnonstop

12:37 pm - 4:30 pm

COS

ORD

2h 53mnonstop

$271American Airlines

Tue, Aug 11 - Tue, Aug 18

5:00 am - 9:52 am

ORD

COS

5h 52m

1 stop

12:22 pm - 4:14 pm

COS

ORD

2h 52mnonstop

$281American Airlines

Wed, Jul 8 - Tue, Jul 14

7:45 pm - 9:55 pm

ORD

COS

3h 10mnonstop

6:32 pm - 12:44 am

COS

ORD

5h 12m

1 stop

$289United Airlines

Wed, Jul 1 - Wed, Jul 29

9:15 am - 11:48 am

ORD

MTJ

3h 33mnonstop

1:42 pm - 9:52 pm

MTJ

ORD

7h 10m

1 stop

$299United Airlines

Sat, Aug 15 - Sat, Aug 22

3:22 pm - 9:07 pm

ORD

COS

6h 45m

1 stop

11:10 am - 4:59 pm

COS

ORD

4h 49m

1 stop

$299Delta

Fri, Jul 3 - Wed, Jul 8

5:30 am - 12:58 pm

ORD

COS

8h 28m

1 stop

1:40 pm - 9:45 pm

COS

ORD

7h 05m

1 stop

$303Delta

Mon, Oct 26 - Wed, Oct 28

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Southwest flights from Chicago to Colorado

Our best Southwest deals on Chicago to Colorado flight tickets

Southwest

Jul 29

MDW9:05 pmChicago Midway

2h 50m

DEN10:55 pmDenver Intl

Aug 4

DEN7:25 pmDenver Intl

2h 25m

MDW10:50 pmChicago Midway

$205

Southwest

Sep 1

MDW12:00 pmChicago Midway

2h 30m

DEN1:30 pmDenver Intl

Sep 2

DEN1:55 pmDenver Intl

4h 30m

1 stop

MDW7:25 pmChicago Midway

$211

Southwest

Jul 15

MDW5:30 amChicago Midway

2h 35m

DEN7:05 amDenver Intl

Jul 15

DEN8:10 amDenver Intl

5h 25m

1 stop

MDW2:35 pmChicago Midway

$215

Delta flights from Chicago to Colorado

Our best Delta deals on Chicago to Colorado flight tickets

Delta

Sep 21

MDW1:14 pmChicago Midway

4h 58m

1 stop

DEN5:12 pmDenver Intl

Sep 30

DEN6:05 amDenver Intl

5h 29m

1 stop

MDW12:34 pmChicago Midway

$236

Delta

Sep 24

MDW7:13 pmChicago Midway

5h 12m

1 stop

DEN11:25 pmDenver Intl

Sep 25

DEN12:59 amDenver Intl

7h 08m

1 stop

MDW9:07 amChicago Midway

$247

Delta

Sep 23

MDW7:13 pmChicago Midway

5h 12m

1 stop

DEN11:25 pmDenver Intl

Sep 27

DEN6:00 amDenver Intl

6h 07m

1 stop

MDW1:07 pmChicago Midway

$255

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Tue 8/4

9:57 pm-11:57 pm

Nonstop3h 00m

Denver Intl

Thu 8/6

5:05 pm-8:52 pm

Nonstop2h 47m

$171

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Fri 8/7

9:57 pm-11:57 pm

Nonstop3h 00m

Denver Intl

Sat 8/8

5:05 pm-8:52 pm

Nonstop2h 47m

$172

Quickest round-trip

ChicagoDenver

MDW - DEN

MDWDEN

Chicago Midway

Wed 7/29

5:30 am-7:05 am

Nonstop2h 35m

Denver Intl

Wed 8/5

6:30 am-9:50 am

Nonstop2h 20m

$205

ChicagoDenver

MDW - DEN

MDWDEN

Chicago Midway

Tue 9/1

12:00 pm-1:30 pm

Nonstop2h 30m

Denver Intl

Wed 9/2

1:55 pm-7:25 pm

1 stop4h 30m

$211

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

Tue 8/11

10:56 am-12:47 pm

Nonstop2h 51m

Colorado Springs

Tue 8/18

12:37 pm-4:30 pm

Nonstop2h 53m

$271

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

Wed 7/8

5:00 am-9:52 am

1 stop5h 52m

Colorado Springs

Tue 7/14

12:22 pm-4:14 pm

Nonstop2h 52m

$281

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

Wed 7/1

7:45 pm-9:55 pm

Nonstop3h 10m

Colorado Springs

Wed 7/29

6:32 pm-12:44 am

1 stop5h 12m

$289

ChicagoMontrose

ORD - MTJ

ORDMTJ

Chicago O'Hare Intl

Sat 8/15

9:15 am-11:48 am

Nonstop3h 33m

Montrose County

Sat 8/22

1:42 pm-9:52 pm

1 stop7h 10m

$299

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

Fri 7/3

3:22 pm-9:07 pm

1 stop6h 45m

Colorado Springs

Wed 7/8

11:10 am-4:59 pm

1 stop4h 49m

$299

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

Mon 10/26

5:30 am-12:58 pm

1 stop8h 28m

Colorado Springs

Wed 10/28

1:40 pm-9:45 pm

1 stop7h 05m

$303

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 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 October is, on average, the cheapest month to fly to Colorado from Chicago, with most prices found around $165. The month of November is another great option to travel to Colorado, with average flight prices from Chicago averaging around $182.

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

The cheapest day to depart from Chicago to Colorado is on a Wednesday when prices can be found for as low as $254. On the other hand, Monday is the most expensive day to depart from Chicago because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $331.

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 $237. At noon is when there is more demand to fly to Colorado, so prices are often more expensive at around $309 per ticket.

What is the cheapest Chicago to Colorado flight route?

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

How far in advance should I book a flight from Chicago to Colorado?

You are more likely to see cheaper flights to Colorado from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $242 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Chicago for as low as $200 on momondo.

What cabin class options are available on Chicago to Colorado flights?

There are 4 cabin classes available to choose from on Chicago 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 to Colorado flights?

No. A direct flight is the cheapest option for a flight between Chicago to Colorado.

Cheap Chicago to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Colorado

Best Price Found	$145
Fastest flight time	2h 25m
Direct flights	Every day
Airports in Colorado	87 airports

The best one-way flight to Colorado from Chicago in the past 72 hours is $145. The best round-trip flight deal from Chicago to Colorado found on momondo in the last 72 hours is $247.

The fastest flight from Chicago to Colorado takes 2h 25m

Direct flights go from Chicago to Colorado every day.

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

Search flight deals

Frequently asked questions about flying from Chicago to Colorado

When did momondo last update prices for flights from Chicago to Colorado?
Prices for flights from Chicago to Colorado were last updated today.
How many operators does momondo search for flights from Chicago to Colorado?
The number of operators available for flights from Chicago to Colorado is 6 as of June 2026.
How old do you have to be to fly from Chicago to Colorado?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to Colorado.
What documentation or ID do you need to fly to Colorado?
The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Chicago to Colorado?
momondo data reveals that the most frequently booked plane model on the route from Chicago to Colorado is Boeing 737-800, representing 15.13% of all bookings. The subsequent popular models are Airbus A321neo at 14.74%, Airbus A319 at 10.63%, and Airbus A321-100/200 at 8.80%.

Best airlines flying from Chicago to Colorado

Compare and see reviews for airlines that fly from Chicago to Colorado with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $70	Free Cancellation	Rating 5.6 2,881 reviews	Search Frontier flights
Delta	PriceFrom $105	Free Cancellation	Rating 7.8 8,406 reviews	Search Delta flights
JetBlue	PriceFrom $145	Free Cancellation	Rating 7.1 2,983 reviews	Search JetBlue flights
Southwest	PriceFrom $151	Free Cancellation	Rating 7.9 4,235 reviews	Search Southwest flights
American Airlines	PriceFrom $153	Free Cancellation	Rating 7.1 11,670 reviews	Search American Airlines flights
United Airlines	PriceFrom $166	Free Cancellation	Rating 7.4 9,845 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?

momondo does allow users to show only those flights to Colorado from Chicago which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Chicago to Colorado flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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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Popular cities in Colorado

Flights to New Yorkfrom $82

Flights to Los Angelesfrom $56

Flights to Orlandofrom $62

Flights to Miamifrom $50

Flights to Chicagofrom $55

Flights to San Franciscofrom $56

Flights to Las Vegasfrom $51

Flights to Washington, D.C.from $56

Flights to Bostonfrom $62

Flights to Atlantafrom $58

Flights to Fort Lauderdalefrom $58

Flights to Dallasfrom $86

Cheap flights from Chicago to Colorado from $100

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Colorado departing on 7/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Southwest flights from Chicago to Colorado

Our best Southwest deals on Chicago to Colorado flight tickets

Delta flights from Chicago to Colorado

Our best Delta deals on Chicago to Colorado flight tickets

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See travel insights to Colorado from

How to get the cheapest flight ticket from Chicago 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 to Colorado flight route?

How far in advance should I book a flight from Chicago to Colorado?

What cabin class options are available on Chicago to Colorado flights?

Can stopping save me money on Chicago to Colorado flights?

What is the cheapest airline that flies from Chicago to Colorado?

What airlines fly to Colorado?

How many flights depart from Chicago to Colorado on average per day?

How many flights depart from Chicago to Colorado on average per week?

Cheap Chicago to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Colorado

Best Price Found

Fastest flight time

Direct flights

Airports in Colorado

Frequently asked questions about flying from Chicago to Colorado

Best airlines flying from Chicago to Colorado

Compare and see reviews for airlines that fly from Chicago 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

Popular cities in Colorado

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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