Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Colorado Springs to Illinois from $119

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 7/8. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Colorado Springs to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 2:38 pm
COS
-
STL
7h 38m
1 stop
Delta Logo
1:30 pm - 9:15 pm
STL
-
COS
8h 45m
1 stop
$237Delta
Wed, Sep 2 - Wed, Sep 9
Delta Logo
6:20 pm - 12:43 am
COS
-
STL
5h 23m
1 stop
Delta Logo
10:51 am - 10:41 pm
STL
-
COS
12h 50m
2 stops
$242Delta
Tue, Jun 30 - Tue, Jul 7
American Airlines Logo
3:53 pm - 11:59 pm
COS
-
STL
7h 06m
1 stop
American Airlines Logo
5:29 am - 9:53 am
STL
-
COS
5h 24m
1 stop
$285American Airlines
Wed, Jun 10 - Mon, Jun 15
American Airlines Logo
12:36 pm - 4:30 pm
COS
-
ORD
2h 54mnonstop
American Airlines Logo
10:50 am - 12:45 pm
ORD
-
COS
2h 55mnonstop
$287American Airlines
Wed, Aug 19 - Wed, Aug 26
Southwest Logo
1:15 pm - 4:35 pm
COS
-
MDW
2h 20mnonstop
Southwest Logo
3:35 pm - 5:00 pm
MDW
-
COS
2h 25mnonstop
$287Southwest
Wed, Aug 19 - Wed, Aug 26
American Airlines Logo
12:36 pm - 4:30 pm
COS
-
ORD
2h 54mnonstop
American Airlines Logo
10:50 am - 12:45 pm
ORD
-
COS
2h 55mnonstop
$289American Airlines
Tue, Aug 25 - Sat, Aug 29
Southwest Logo
4:40 pm - 12:35 am
COS
-
STL
6h 55m
1 stop
Southwest Logo
8:45 am - 7:15 pm
STL
-
COS
11h 30m
1 stop
$290Southwest
Fri, Jun 19 - Tue, Jun 23
United Airlines Logo
12:13 pm - 3:59 pm
COS
-
ORD
2h 46mnonstop
United Airlines Logo
9:06 am - 11:10 am
ORD
-
COS
3h 04mnonstop
$291United Airlines
Tue, Jun 2 - Sat, Jun 6
Southwest Logo
6:15 am - 12:00 pm
COS
-
MDW
4h 45m
1 stop
Southwest Logo
3:35 pm - 5:00 pm
MDW
-
COS
2h 25mnonstop
$293Southwest
Wed, Aug 19 - Wed, Aug 26
United Airlines Logo
6:32 pm - 11:57 pm
COS
-
STL
4h 25m
1 stop
United Airlines Logo
5:10 am - 8:41 am
STL
-
COS
4h 31m
1 stop
$316United Airlines
Thu, Jul 9 - Wed, Jul 15

United Airlines flights from Colorado Springs to Illinois

Our best United Airlines deals on Colorado Springs to Illinois flight tickets
United Airlines
Jun 2
COS12:13 pmColorado Springs
2h 46m
ORD3:59 pmChicago O'Hare Intl
Jun 6
ORD9:06 amChicago O'Hare Intl
3h 04m
COS11:10 amColorado Springs
$291
United Airlines
Jul 9
COS6:32 pmColorado Springs
4h 25m
1 stop
STL11:57 pmLambert-St Louis
Jul 15
STL5:10 amLambert-St Louis
4h 31m
1 stop
COS8:41 amColorado Springs
$316
United Airlines
Sep 29
COS1:15 pmColorado Springs
6h 22m
1 stop
STL8:37 pmLambert-St Louis
Sep 30
STL5:10 amLambert-St Louis
6h 35m
1 stop
COS10:45 amColorado Springs
$317

Delta flights from Colorado Springs to Illinois

Our best Delta deals on Colorado Springs to Illinois flight tickets
Delta
Sep 2
COS6:00 amColorado Springs
7h 38m
1 stop
STL2:38 pmLambert-St Louis
Sep 9
STL1:30 pmLambert-St Louis
8h 45m
1 stop
COS9:15 pmColorado Springs
$237
Delta
Jun 30
COS6:20 pmColorado Springs
5h 23m
1 stop
STL12:43 amLambert-St Louis
Jul 7
STL10:51 amLambert-St Louis
12h 50m
2 stops
COS10:41 pmColorado Springs
$242
Delta
Jul 9
COS6:16 pmColorado Springs
5h 25m
1 stop
STL12:41 amLambert-St Louis
Jul 15
STL8:48 amLambert-St Louis
9h 47m
2 stops
COS5:35 pmColorado Springs
$300

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 May 12, 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 9/2

6:00 am-2:38 pm

1 stop7h 38m

Lambert-St Louis

Wed 9/9

1:30 pm-9:15 pm

1 stop8h 45m

$237

Colorado SpringsSt. Louis

COS - STL

COSSTL

Colorado Springs

Tue 6/30

6:20 pm-12:43 am

1 stop5h 23m

Lambert-St Louis

Tue 7/7

10:51 am-10:41 pm

2 stops12h 50m

$242

Colorado SpringsSt. Louis

COS - STL

COSSTL

Colorado Springs

Wed 6/10

3:53 pm-11:59 pm

1 stop7h 06m

Lambert-St Louis

Mon 6/15

5:29 am-9:53 am

1 stop5h 24m

$285

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

Wed 8/19

12:36 pm-4:30 pm

Nonstop2h 54m

Chicago O'Hare Intl

Wed 8/26

10:50 am-12:45 pm

Nonstop2h 55m

$287
Quickest round-trip

Colorado SpringsChicago

COS - MDW

COSMDW

Colorado Springs

Wed 8/19

1:15 pm-4:35 pm

Nonstop2h 20m

Chicago Midway

Wed 8/26

3:35 pm-5:00 pm

Nonstop2h 25m

$287

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

Tue 8/25

12:36 pm-4:30 pm

Nonstop2h 54m

Chicago O'Hare Intl

Sat 8/29

10:50 am-12:45 pm

Nonstop2h 55m

$289

Colorado SpringsSt. Louis

COS - STL

COSSTL

Colorado Springs

Fri 6/19

4:40 pm-12:35 am

1 stop6h 55m

Lambert-St Louis

Tue 6/23

8:45 am-7:15 pm

1 stop11h 30m

$290

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

Tue 6/2

12:13 pm-3:59 pm

Nonstop2h 46m

Chicago O'Hare Intl

Sat 6/6

9:06 am-11:10 am

Nonstop3h 04m

$291

Colorado SpringsChicago

COS - MDW

COSMDW

Colorado Springs

Wed 8/19

6:15 am-12:00 pm

1 stop4h 45m

Chicago Midway

Wed 8/26

3:35 pm-5:00 pm

Nonstop2h 25m

$293

Colorado SpringsSt. Louis

COS - STL

COSSTL

Colorado Springs

Thu 7/9

6:32 pm-11:57 pm

1 stop4h 25m

Lambert-St Louis

Wed 7/15

5:10 am-8:41 am

1 stop4h 31m

$316

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 October. Flight prices, which tend to average around $149, 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 October, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $155.

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 Thursday when prices can be found for as low as $413. Flights from Colorado Springs to Illinois on a Monday will generally be more expensive and average around $535. 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 $438. Flights at noon are often more expensive with an average ticket price of $490.

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

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

$216

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 $216. The best round-trip flight deal from Colorado Springs to Illinois found on momondo in the last 72 hours is $387.
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

Frequently asked questions about flying from Colorado Springs to Illinois

  • 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
SouthwestPriceFrom $227Free CancellationRating
8.0
4,295 reviews
Search Southwest flights
American AirlinesPriceFrom $228Free CancellationRating
7.1
11,661 reviews
Search American Airlines flights
United AirlinesPriceFrom $229Free CancellationRating
7.4
9,701 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 6/11
Thu 6/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom $77
Flights to Los Angelesfrom $46
Flights to Orlandofrom $63
Flights to Miamifrom $56
Flights to Chicagofrom $59
Flights to San Franciscofrom $58
Flights to Las Vegasfrom $48
Flights to Washington, D.C.from $57
Flights to Bostonfrom $73
Flights to Atlantafrom $50
Flights to Fort Lauderdalefrom $56
Flights to Dallasfrom $50