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Cheap flights from Colorado Springs to Illinois from $113

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 5/9. 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
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
8:15 am - 5:07 pm
COS
-
STL
7h 52m
1 stop
Delta Logo
6:00 am - 12:17 pm
STL
-
COS
7h 17m
1 stop
$221Delta
Wed, Apr 8 - Wed, Apr 15
Delta Logo
7:59 am - 11:36 pm
COS
-
STL
14h 37m
2 stops
Delta Logo
7:25 am - 12:17 pm
STL
-
COS
5h 52m
1 stop
$226Delta
Tue, Apr 14 - Tue, Apr 21
American Airlines Logo
12:22 pm - 4:09 pm
COS
-
ORD
2h 47mnonstop
American Airlines Logo
9:53 am - 11:52 am
ORD
-
COS
2h 59mnonstop
$227American Airlines
Wed, Apr 8 - Sat, Apr 11
Southwest Logo
6:00 am - 2:35 pm
COS
-
STL
7h 35m
2 stops
Southwest Logo
1:45 pm - 9:20 pm
STL
-
COS
8h 35m
2 stops
$231Southwest
Wed, Apr 1 - Tue, Apr 7
Delta Logo
6:20 am - 5:54 pm
COS
-
MDW
10h 34m
2 stops
Delta Logo
6:00 am - 12:17 pm
MDW
-
COS
7h 17m
1 stop
$234Delta
Thu, Apr 9 - Tue, Apr 14
United Airlines Logo
1:32 pm - 8:00 pm
COS
-
ORD
5h 28m
1 stop
United Airlines Logo
7:45 pm - 9:54 pm
ORD
-
COS
3h 09mnonstop
$237United Airlines
Sat, Mar 28 - Sat, Apr 4
Southwest Logo
1:10 pm - 11:20 pm
COS
-
MDW
9h 10m
1 stop
Southwest Logo
5:25 am - 11:35 am
MDW
-
COS
7h 10m
1 stop
$240Southwest
Wed, May 13 - Mon, Jun 1
United Airlines Logo
11:43 am - 3:27 pm
COS
-
ORD
2h 44mnonstop
United Airlines Logo
8:46 am - 10:47 am
ORD
-
COS
3h 01mnonstop
$243United Airlines
Sat, May 9 - Mon, May 11
American Airlines Logo
12:22 pm - 4:09 pm
COS
-
ORD
2h 47mnonstop
American Airlines Logo
9:53 am - 11:52 am
ORD
-
COS
2h 59mnonstop
$249American Airlines
Thu, Apr 9 - Tue, Apr 14
Multiple Airlines Logo
6:46 pm - 5:00 pm
COS
-
ORD
21h 14m
1 stop
Multiple Airlines Logo
4:28 pm - 9:49 am
ORD
-
COS
18h 21m
2 stops
$250Multiple Airlines
Sun, May 3 - Thu, May 7

United Airlines flights from Colorado Springs to Illinois

Our best United Airlines deals on Colorado Springs to Illinois flight tickets
United Airlines
May 13
COS11:43 amColorado Springs
2h 44m
ORD3:27 pmChicago O'Hare Intl
Jun 1
ORD9:06 amChicago O'Hare Intl
3h 04m
COS11:10 amColorado Springs
$220
United Airlines
May 13
COS5:12 pmColorado Springs
4h 46m
1 stop
ORD10:58 pmChicago O'Hare Intl
Jun 1
ORD9:06 amChicago O'Hare Intl
3h 04m
COS11:10 amColorado Springs
$230
United Airlines
Mar 28
COS1:32 pmColorado Springs
5h 28m
1 stop
ORD8:00 pmChicago O'Hare Intl
Apr 4
ORD7:45 pmChicago O'Hare Intl
3h 09m
COS9:54 pmColorado Springs
$237

American Airlines flights from Colorado Springs to Illinois

Our best American Airlines deals on Colorado Springs to Illinois flight tickets
American Airlines
Apr 8
COS12:22 pmColorado Springs
2h 47m
ORD4:09 pmChicago O'Hare Intl
Apr 11
ORD9:53 amChicago O'Hare Intl
2h 59m
COS11:52 amColorado Springs
$227
American Airlines
Apr 9
COS12:22 pmColorado Springs
2h 47m
ORD4:09 pmChicago O'Hare Intl
Apr 14
ORD9:53 amChicago O'Hare Intl
2h 59m
COS11:52 amColorado Springs
$244
American Airlines
Apr 9
COS12:22 pmColorado Springs
2h 47m
ORD4:09 pmChicago O'Hare Intl
Apr 14
ORD9:53 amChicago O'Hare Intl
2h 59m
COS11:52 amColorado Springs
$249

momondo Fare Finder

 
Customize your flight search to find flights from Colorado Springs to Illinois 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 March 10, 2026.
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

Cheapest round-trip

Colorado SpringsSt. Louis

COS - STL

COSSTL

Colorado Springs

Wed 4/8

8:15 am-5:07 pm

1 stop7h 52m

Lambert-St Louis

Wed 4/15

6:00 am-12:17 pm

1 stop7h 17m

$221

Colorado SpringsSt. Louis

COS - STL

COSSTL

Colorado Springs

Tue 4/14

7:59 am-11:36 pm

2 stops14h 37m

Lambert-St Louis

Tue 4/21

7:25 am-12:17 pm

1 stop5h 52m

$226

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

Wed 4/8

12:22 pm-4:09 pm

Nonstop2h 47m

Chicago O'Hare Intl

Sat 4/11

9:53 am-11:52 am

Nonstop2h 59m

$227

Colorado SpringsSt. Louis

COS - STL

COSSTL

Colorado Springs

Wed 4/1

6:00 am-2:35 pm

2 stops7h 35m

Lambert-St Louis

Tue 4/7

1:45 pm-9:20 pm

2 stops8h 35m

$231

Colorado SpringsChicago

COS - MDW

COSMDW

Colorado Springs

Thu 4/9

6:20 am-5:54 pm

2 stops10h 34m

Chicago Midway

Tue 4/14

6:00 am-12:17 pm

1 stop7h 17m

$234

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

Sat 3/28

1:32 pm-8:00 pm

1 stop5h 28m

Chicago O'Hare Intl

Sat 4/4

7:45 pm-9:54 pm

Nonstop3h 09m

$237

Colorado SpringsChicago

COS - MDW

COSMDW

Colorado Springs

Wed 5/13

1:10 pm-11:20 pm

1 stop9h 10m

Chicago Midway

Mon 6/1

5:25 am-11:35 am

1 stop7h 10m

$240
Quickest round-trip

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

Sat 5/9

11:43 am-3:27 pm

Nonstop2h 44m

Chicago O'Hare Intl

Mon 5/11

8:46 am-10:47 am

Nonstop3h 01m

$243

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

Thu 4/9

12:22 pm-4:09 pm

Nonstop2h 47m

Chicago O'Hare Intl

Tue 4/14

9:53 am-11:52 am

Nonstop2h 59m

$249

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

Sun 5/3

6:46 pm-5:00 pm

1 stop21h 14m

Chicago O'Hare Intl

Thu 5/7

4:28 pm-9:49 am

2 stops18h 21m

$250

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 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?

The cheapest month to fly to Illinois from Colorado Springs is in January. Flight prices, which tend to average around $286, 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 January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $291.

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 $403. Flights from Colorado Springs to Illinois on a Sunday will generally be more expensive and average around $541. 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 in the morning. Flights from Colorado Springs to Illinois during this time can be as low as $433. Flights in the afternoon are often more expensive with an average ticket price of $444.

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?

You could potentially save up to 13% on your flight if you consider stops on a Colorado Springs to Illinois flight.

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

$203

Fastest flight time

2h 20m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Colorado Springs in the past 72 hours is $203. The best round-trip flight deal from Colorado Springs to Illinois found on momondo in the last 72 hours is $348.
The fastest flight from Colorado Springs to Illinois takes 2h 20m
Direct flights go from Colorado Springs to Illinois every day.
There are 98 airports in Illinois. From Colorado Springs there are direct flights to 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?

  • 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?

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 AirlinesPriceFrom $166Free CancellationRating
7.1
11,410 reviews
Search American Airlines flights
SouthwestPriceFrom $233Free CancellationRating
8.0
4,318 reviews
Search Southwest flights
United AirlinesPriceFrom $256Free CancellationRating
7.4
9,409 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.

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