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Cheap flights from Illinois to Denver from $131

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Denver departing on 1/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:50 am - 11:02 am
ORD
-
COS
3h 12mnonstop
United Airlines Logo
11:43 am - 3:35 pm
COS
-
ORD
2h 52mnonstop
$225United Airlines
Sat, Jan 17 - Sun, Jan 18
United Airlines Logo
8:50 am - 11:02 am
ORD
-
COS
3h 12mnonstop
United Airlines Logo
5:50 am - 11:34 am
COS
-
ORD
4h 44m1 stop
$235United Airlines
Sat, Jan 17 - Sun, Jan 18
American Airlines Logo
9:32 am - 11:36 am
ORD
-
COS
3h 04mnonstop
American Airlines Logo
12:08 pm - 3:57 pm
COS
-
ORD
2h 49mnonstop
$243American Airlines
Sat, Jan 10 - Sat, Jan 17
Delta Logo
6:45 am - 12:22 pm
MDW
-
COS
6h 37m1 stop
Delta Logo
1:21 pm - 10:07 pm
COS
-
MDW
7h 46m1 stop
$245Delta
Sat, Jan 17 - Sun, Jan 18
United Airlines Logo
2:15 pm - 6:18 pm
ORD
-
COS
5h 03m1 stop
United Airlines Logo
5:50 am - 11:34 am
COS
-
ORD
4h 44m1 stop
$245United Airlines
Sat, Jan 17 - Sun, Jan 18
American Airlines Logo
11:56 am - 5:41 pm
ORD
-
COS
6h 45m1 stop
American Airlines Logo
12:08 pm - 3:57 pm
COS
-
ORD
2h 49mnonstop
$253American Airlines
Sat, Jan 10 - Sat, Jan 17
Southwest Logo
2:25 pm - 10:00 pm
STL
-
COS
8h 35m1 stop
Southwest Logo
4:35 pm - 9:45 pm
COS
-
STL
4h 10m1 stop
$261Southwest
Thu, Jan 15 - Tue, Jan 20
Delta Logo
5:20 pm - 10:23 pm
ORD
-
COS
6h 03m1 stop
Delta Logo
12:00 pm - 9:52 pm
COS
-
ORD
8h 52m1 stop
$263Delta
Sat, Jan 10 - Sat, Jan 17
Delta Logo
6:45 am - 12:22 pm
MDW
-
COS
6h 37m1 stop
Delta Logo
1:21 pm - 10:07 pm
COS
-
MDW
7h 46m1 stop
$263Delta
Sat, Jan 10 - Sat, Jan 17
Southwest Logo
2:25 pm - 10:00 pm
STL
-
COS
8h 35m1 stop
Southwest Logo
6:00 am - 5:10 pm
COS
-
STL
10h 10m2 stops
$279Southwest
Thu, Jan 15 - Tue, Jan 20

American Airlines flights from Illinois to Colorado Springs

Our best American Airlines deals on Illinois to Colorado Springs flight tickets
American Airlines
Jan 10
ORD9:32 amChicago O'Hare Intl
3h 04m
COS11:36 amColorado Springs
Jan 17
COS12:08 pmColorado Springs
2h 49m
ORD3:57 pmChicago O'Hare Intl
$243
Find similar
American Airlines
Jan 10
ORD11:56 amChicago O'Hare Intl
6h 45m
1 stop
COS5:41 pmColorado Springs
Jan 17
COS12:08 pmColorado Springs
2h 49m
ORD3:57 pmChicago O'Hare Intl
$253
Find similar
American Airlines
Jan 10
ORD9:32 amChicago O'Hare Intl
3h 04m
COS11:36 amColorado Springs
Jan 12
COS1:06 pmColorado Springs
2h 49m
ORD4:55 pmChicago O'Hare Intl
$276
Find similar

Southwest flights from Illinois to Colorado Springs

Our best Southwest deals on Illinois to Colorado Springs flight tickets
Southwest
Jan 15
STL2:25 pmLambert-St Louis
8h 35m
1 stop
COS10:00 pmColorado Springs
Jan 20
COS4:35 pmColorado Springs
4h 10m
1 stop
STL9:45 pmLambert-St Louis
$261
Find similar
Southwest
Jan 15
STL2:25 pmLambert-St Louis
8h 35m
1 stop
COS10:00 pmColorado Springs
Jan 20
COS6:00 amColorado Springs
10h 10m
2 stops
STL5:10 pmLambert-St Louis
$279
Find similar
Southwest
Jan 10
MDW9:05 amChicago Midway
6h 35m
1 stop
COS2:40 pmColorado Springs
Jan 12
COS12:05 pmColorado Springs
6h 50m
1 stop
MDW7:55 pmChicago Midway
$296
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Colorado Springs 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, momondo users made 832,500 searches. Data last updated December 11, 2025.
Use the filters below to find and compare flights from Illinois to Colorado Springs that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

Sat 1/17

8:50 am-11:02 am

Nonstop3h 12m

Colorado Springs

Sun 1/18

11:43 am-3:35 pm

Nonstop2h 52m

$225

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

Sat 1/17

8:50 am-11:02 am

Nonstop3h 12m

Colorado Springs

Sun 1/18

5:50 am-11:34 am

1 stop4h 44m

$235

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

Sat 1/10

9:32 am-11:36 am

Nonstop3h 04m

Colorado Springs

Sat 1/17

12:08 pm-3:57 pm

Nonstop2h 49m

$243

ChicagoColorado Springs

MDW - COS

MDWCOS

Chicago Midway

Sat 1/17

6:45 am-12:22 pm

1 stop6h 37m

Colorado Springs

Sun 1/18

1:21 pm-10:07 pm

1 stop7h 46m

$245

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

Sat 1/17

2:15 pm-6:18 pm

1 stop5h 03m

Colorado Springs

Sun 1/18

5:50 am-11:34 am

1 stop4h 44m

$245

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

Sat 1/10

11:56 am-5:41 pm

1 stop6h 45m

Colorado Springs

Sat 1/17

12:08 pm-3:57 pm

Nonstop2h 49m

$253

St. LouisColorado Springs

STL - COS

STLCOS

Lambert-St Louis

Thu 1/15

2:25 pm-10:00 pm

1 stop8h 35m

Colorado Springs

Tue 1/20

4:35 pm-9:45 pm

1 stop4h 10m

$261

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

Sat 1/10

5:20 pm-10:23 pm

1 stop6h 03m

Colorado Springs

Sat 1/17

12:00 pm-9:52 pm

1 stop8h 52m

$263

ChicagoColorado Springs

MDW - COS

MDWCOS

Chicago Midway

Sat 1/10

6:45 am-12:22 pm

1 stop6h 37m

Colorado Springs

Sat 1/17

1:21 pm-10:07 pm

1 stop7h 46m

$263

St. LouisColorado Springs

STL - COS

STLCOS

Lambert-St Louis

Thu 1/15

2:25 pm-10:00 pm

1 stop8h 35m

Colorado Springs

Tue 1/20

6:00 am-5:10 pm

2 stops10h 10m

$279

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Denver from

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

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 Colorado Springs?

The month of November is another great option to travel to Colorado Springs, with average flight prices from Illinois averaging around $292.

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

The cheapest day to depart from Illinois to Colorado Springs is on a Wednesday when prices can be found for as low as $315. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Colorado Springs for around $394.

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

Flying to Colorado Springs from Illinois at noon is the least expensive time of day to depart. momondo users have found prices as low as $275 when looking at flights departing at noon. Flights to Colorado Springs are more costly in the evening, with an average ticket price of $389. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Illinois to Colorado Springs flight route?

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

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

You are more likely to see cheaper flights to Colorado Springs from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado Springs for around $366 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado Springs from Illinois for as low as $245 on momondo.

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

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

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

Cheap Illinois to Colorado Springs flight deals and tips

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

Best Price Found

$165

Fastest flight time

2h 30m

Direct flights

Every day

Airports in Colorado Springs

1 airport
The best one-way flight to Colorado Springs from Illinois in the past 72 hours is $165. The best round-trip flight deal from Illinois to Colorado Springs found on momondo in the last 72 hours is $312.
The fastest flight from Illinois to Colorado Springs takes 2h 30m
Direct flights go from Illinois to Colorado Springs every day.
There is 1 airport in Colorado Springs. From Illinois there are direct flights to Colorado Springs (COS).
Search flight deals

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

    Prices for flights from Illinois to Colorado Springs Airport are refreshed on a daily basis.

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

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

    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 Illinois to Colorado Springs Airport.

  • What documentation or ID do you need to fly to Colorado Springs Airport?

    The travel and health documents you'll need for your trip to Colorado Springs Airport 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 Springs Airport. 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 Illinois to Colorado Springs?

Best airlines flying from Illinois to Colorado Springs

Compare and see reviews for airlines that fly from Illinois to Colorado Springs with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $163Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
SouthwestPriceFrom $241Free CancellationRating
7.9
4,253 reviews
Search Southwest flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Cañon City

Why use momondo?

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

Finding the right flight to Colorado Springs from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Colorado Springs quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Illinois to Colorado Springs flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Colorado Springs from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Illinois to Colorado Springs flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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