What is the cheapest airline that flies from Colorado Springs to Illinois?

Southwest, United Airlines, and American Airlines are the most popular carriers operating from Colorado Springs to Illinois

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

4 flights are operational daily from Colorado Springs to Illinois as of September 2025. The most popular departure time for this route is 12:00PM, with 67% of flights per day taking off in the afternoon.

What airlines fly to Illinois?

United Airlines, Frontier and American Airlines are the top three most popular airlines that fly to Illinois from Colorado Springs according to our data. United Airlines is the first choice among our users, with 28% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 5 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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

As of September 2025, there are 32 flights per week flying from Colorado Springs to Illinois. The most common day of the week flights depart is Wed, with 19% of flights taking off on this day.

When did momondo last update prices for flights from Colorado Springs Airport to Illinois?

Prices for flights from Colorado Springs Airport to Illinois refresh daily.

How many operators does momondo search for flights from Colorado Springs Airport to Illinois?

As of September 2025, there are 3 operators available to choose from for flights from Colorado Springs Airport to Illinois.

How old do you have to be to fly from Colorado Springs Airport to Illinois?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado Springs Airport to Illinois.

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

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$79 Cheap Flights from Colorado Springs to Illinois in 2025/26

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Find the cheapest flights from Colorado Springs to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

8:20 am - 11:45 amCOS-MDW

2h 25mnonstop

4:00 pm - 5:35 pmMDW-COS

2h 35mnonstop

$157Southwest

Find Deal

sáb., oct. 25 - mié., oct. 29

4:54 pm - 11:49 pmCOS-STL

5h 55m1 stop

9:43 am - 3:58 pmSTL-COS

7h 15m1 stop

$177American Airlines

Find Deal

jue., oct. 23 - mié., oct. 29

6:15 am - 1:35 pmCOS-MDW

6h 20m1 stop

5:00 am - 11:15 amMDW-COS

7h 15m1 stop

$177Southwest

Find Deal

mar., oct. 28 - mar., nov. 4

6:00 am - 1:05 pmCOS-ORD

6h 05m1 stop

6:55 pm - 11:20 pmORD-COS

5h 25m1 stop

$177Southwest

Find Deal

sáb., oct. 25 - lun., oct. 27

12:30 pm - 9:55 pmCOS-MDW

8h 25m1 stop

11:25 am - 7:25 pmMDW-COS

9h 00m2 stops

$182Southwest

Find Deal

mar., oct. 28 - mar., nov. 4

6:20 pm - 11:59 pmCOS-ORD

4h 39m1 stop

7:51 pm - 9:41 pmORD-COS

2h 50mnonstop

$189United Airlines

Find Deal

vie., oct. 17 - mar., oct. 21

12:32 pm - 6:55 pmCOS-ORD

5h 23m1 stop

9:20 am - 11:26 amORD-COS

3h 06mnonstop

$206United Airlines

Find Deal

jue., dic. 11 - mié., dic. 17

12:36 pm - 4:21 pmCOS-ORD

2h 45mnonstop

10:04 am - 12:06 pmORD-COS

3h 02mnonstop

$214American Airlines

Find Deal

vie., dic. 12 - mié., dic. 17

6:00 am - 2:58 pmCOS-ORD

7h 58m1 stop

6:45 am - 12:11 pmORD-COS

6h 26m1 stop

$217Delta

Find Deal

sáb., oct. 25 - mié., oct. 29

6:00 am - 12:35 pmCOS-STL

5h 35m1 stop

11:21 am - 10:10 pmSTL-COS

11h 49m2 stops

$222Delta

Find Deal

jue., oct. 23 - mié., oct. 29

American Airlines flights from Colorado Springs to Illinois

Our best American Airlines deals on Colorado Springs to Illinois flight tickets

American Airlines

Oct 23

COS4:54 pmColorado Springs

5h 55m

1 stop

STL11:49 pmLambert-St Louis

Oct 29

STL9:43 amLambert-St Louis

7h 15m

1 stop

COS3:58 pmColorado Springs

$177

Find similar

American Airlines

Dec 12

COS12:36 pmColorado Springs

2h 45m

ORD4:21 pmChicago O'Hare Intl

Dec 17

ORD10:04 amChicago O'Hare Intl

3h 02m

COS12:06 pmColorado Springs

$214

Find similar

American Airlines

Oct 16

COS4:54 pmColorado Springs

5h 30m

1 stop

MLI11:24 pmMoline Quad-City

Oct 21

MLI5:34 pmMoline Quad-City

5h 35m

1 stop

COS10:09 pmColorado Springs

$249

Find similar

United Airlines flights from Colorado Springs to Illinois

Our best United Airlines deals on Colorado Springs to Illinois flight tickets

United Airlines

Oct 17

COS6:20 pmColorado Springs

4h 39m

1 stop

ORD11:59 pmChicago O'Hare Intl

Oct 21

ORD7:51 pmChicago O'Hare Intl

2h 50m

COS9:41 pmColorado Springs

$189

Find similar

United Airlines

Dec 11

COS12:32 pmColorado Springs

5h 23m

1 stop

ORD6:55 pmChicago O'Hare Intl

Dec 17

ORD9:20 amChicago O'Hare Intl

3h 06m

COS11:26 amColorado Springs

$206

Find similar

United Airlines

Oct 24

COS6:00 amColorado Springs

2h 41m

ORD9:41 amChicago O'Hare Intl

Oct 27

ORD6:15 pmChicago O'Hare Intl

6h 44m

1 stop

COS11:59 pmColorado Springs

$211

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Colorado Springs to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Colorado SpringsChicago

COS - MDW

COSMDW

Colorado Springs

sáb. 10/25

8:20 am-11:45 am

Nonstop2h 25m

Chicago Midway

mié. 10/29

4:00 pm-5:35 pm

Nonstop2h 35m

$157

Colorado SpringsSt. Louis

COS - STL

COSSTL

Colorado Springs

jue. 10/23

4:54 pm-11:49 pm

1 stop5h 55m

Lambert-St Louis

mié. 10/29

9:43 am-3:58 pm

1 stop7h 15m

$177

Colorado SpringsChicago

COS - MDW

COSMDW

Colorado Springs

mar. 10/28

6:15 am-1:35 pm

1 stop6h 20m

Chicago Midway

mar. 11/4

5:00 am-11:15 am

1 stop7h 15m

$177

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

sáb. 10/25

6:00 am-1:05 pm

1 stop6h 05m

Chicago O'Hare Intl

lun. 10/27

6:55 pm-11:20 pm

1 stop5h 25m

$177

Colorado SpringsChicago

COS - MDW

COSMDW

Colorado Springs

mar. 10/28

12:30 pm-9:55 pm

1 stop8h 25m

Chicago Midway

mar. 11/4

11:25 am-7:25 pm

2 stops9h 00m

$182

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

vie. 10/17

6:20 pm-11:59 pm

1 stop4h 39m

Chicago O'Hare Intl

mar. 10/21

7:51 pm-9:41 pm

Nonstop2h 50m

$189

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

jue. 12/11

12:32 pm-6:55 pm

1 stop5h 23m

Chicago O'Hare Intl

mié. 12/17

9:20 am-11:26 am

Nonstop3h 06m

$206

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

vie. 12/12

12:36 pm-4:21 pm

Nonstop2h 45m

Chicago O'Hare Intl

mié. 12/17

10:04 am-12:06 pm

Nonstop3h 02m

$214

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

sáb. 10/25

6:00 am-2:58 pm

1 stop7h 58m

Chicago O'Hare Intl

mié. 10/29

6:45 am-12:11 pm

1 stop6h 26m

$217

Colorado SpringsSt. Louis

COS - STL

COSSTL

Colorado Springs

jue. 10/23

6:00 am-12:35 pm

1 stop5h 35m

Lambert-St Louis

mié. 10/29

11:21 am-10:10 pm

2 stops11h 49m

$222

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Colorado Springs to Illinois

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 Illinois?

The cheapest month to fly to Illinois from Colorado Springs is in February. Flight prices, which tend to average around $309, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of February, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $311.

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

The cheapest day to depart from Colorado Springs to Illinois is on a Wednesday when prices can be found for as low as $411. Flights from Colorado Springs to Illinois on a Monday will generally be more expensive and average around $533. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Illinois is at noon. Flights from Colorado Springs to Illinois during this time can be as low as $434. Flights in the morning are often more expensive with an average ticket price of $457.

What is the cheapest Colorado Springs to Illinois flight route?

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

What cabin class options are available on Colorado Springs to Illinois flights?

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

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

Cheap Colorado Springs to Illinois flight deals and tips

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

Best Price Found	$192
Fastest flight time	2h 20m
Direct flights	Every day
Airports in Illinois	2 airports

The best one-way flight to Illinois from Colorado Springs in the past 72 hours is $192. The best round-trip flight deal from Colorado Springs to Illinois found on momondo in the last 72 hours is $304.

The fastest flight from Colorado Springs to Illinois takes 2h 20m

Direct flights go from Colorado Springs to Illinois every day.

There are 2 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)

Search flight deals

When did momondo last update prices for flights from Colorado Springs Airport to Illinois?
Prices for flights from Colorado Springs Airport to Illinois refresh daily.
How many operators does momondo search for flights from Colorado Springs Airport to Illinois?
As of September 2025, there are 3 operators available to choose from for flights from Colorado Springs Airport to Illinois.
How old do you have to be to fly from Colorado Springs Airport to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado Springs Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Colorado Springs to Illinois?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Colorado Springs to Illinois is Embraer 175 (Enhanced Winglets) (23.68% of total bookings). The next most popular plane models are Canadair (Bombardier) Regional Jet 700 (23.39%), Boeing 737-900 (10.82%), and Boeing 737-700 Passenger/BBJ1 (winglets) (10.23%).

Best airlines flying from Colorado Springs to Illinois

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $166	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $233	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
United Airlines	PriceFrom $290	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Colorado Springs to Illinois. momondo saves you time and could save you money on your trip.

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

Flights from Colorado Springs to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Colorado Springs to Illinois?

Once all potential Colorado Springs to Illinois 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 Colorado Springs to Illinois right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Colorado Springs to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.

An easier way to manage your Illinois 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.

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sáb. 10/18

sáb. 10/25

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Find better results for your trip to Illinois

Popular cities in Illinois

Flights to New Yorkfrom $49

Flights to Los Angelesfrom $49

Flights to Miamifrom $49

Flights to Chicagofrom $47

Flights to Orlandofrom $60

Flights to Las Vegasfrom $48

Flights to San Franciscofrom $53

Flights to Washington, D.C.from $49

Flights to Bostonfrom $73

Flights to Atlantafrom $51

Flights to Dallasfrom $56

Flights to Seattlefrom $86

Colorado Springs flight routes

Flights from Colorado Springs to Santa Ana J. Wayne/Orange Cnty

Flights from Colorado Springs to Salt Lake City

Flights from Colorado Springs to Atlanta Hartsfield-Jackson

Flights from Colorado Springs to Dallas Love Field

Flights from Colorado Springs to Minneapolis St Paul

Flights from Colorado Springs to Las Vegas Harry Reid Intl

Cheap flights from Colorado Springs to Illinois from $79

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado Springs to Illinois departing on 10/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Find the cheapest flights from Colorado Springs to Illinois

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

American Airlines flights from Colorado Springs to Illinois

Our best American Airlines deals on Colorado Springs to Illinois flight tickets

United Airlines flights from Colorado Springs to Illinois

Our best United Airlines deals on Colorado Springs to Illinois flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Colorado Springs to Illinois that are best for you.

See travel insights to Illinois from

How to get the cheapest flight ticket from Colorado Springs to Illinois

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

What is the cheapest month to fly to Illinois?

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

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

Our most recent data shows that the best time of day to fly to Illinois is at noon. Flights from Colorado Springs to Illinois during this time can be as low as $434. Flights in the morning are often more expensive with an average ticket price of $457.

What is the cheapest Colorado Springs to Illinois flight route?

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

What cabin class options are available on Colorado Springs to Illinois flights?

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

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

What is the cheapest airline that flies from Colorado Springs to Illinois?

Southwest, United Airlines, and American Airlines are the most popular carriers operating from Colorado Springs to Illinois

What airlines fly to Illinois?

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

4 flights are operational daily from Colorado Springs to Illinois as of September 2025. The most popular departure time for this route is 12:00PM, with 67% of flights per day taking off in the afternoon.

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

As of September 2025, there are 32 flights per week flying from Colorado Springs to Illinois. The most common day of the week flights depart is Wed, with 19% of flights taking off on this day.

Cheap Colorado Springs to Illinois flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

When did momondo last update prices for flights from Colorado Springs Airport to Illinois?

How many operators does momondo search for flights from Colorado Springs Airport to Illinois?

How old do you have to be to fly from Colorado Springs Airport to Illinois?

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

What is the most popular plane model from Colorado Springs to Illinois?

Best airlines flying from Colorado Springs to Illinois

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

Why use momondo?

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

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

How can momondo help me find flights from Colorado Springs to Illinois?

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

An easier way to manage your Illinois 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 Illinois

Popular cities in Illinois

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