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Cheap flights from Colorado Springs to Illinois from $70

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 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Colorado Springs to Illinois

Cheap round-trip flights

United Airlines Logo
6:00 am - 9:41 amCOS-ORD
2h 41mnonstop
United Airlines Logo
7:51 pm - 9:41 pmORD-COS
2h 50mnonstop
$156United Airlines
Find Deal
dom., sep. 28 - mié., oct. 1
United Airlines Logo
12:02 pm - 3:43 pmCOS-ORD
2h 41mnonstop
United Airlines Logo
9:07 am - 10:56 amORD-COS
2h 49mnonstop
$173United Airlines
Find Deal
vie., ago. 29 - dom., ago. 31
United Airlines Logo
12:02 pm - 3:43 pmCOS-ORD
2h 41mnonstop
United Airlines Logo
5:00 am - 9:04 amORD-COS
5h 04m1 stop
$183United Airlines
Find Deal
vie., ago. 29 - dom., ago. 31
Southwest Logo
9:45 am - 1:10 pmCOS-MDW
2h 25mnonstop
Southwest Logo
5:35 pm - 7:05 pmMDW-COS
2h 30mnonstop
$196Southwest
Find Deal
jue., sep. 18 - sáb., sep. 20
Southwest Logo
3:30 pm - 12:05 amCOS-MDW
7h 35m1 stop
Southwest Logo
5:35 pm - 7:05 pmMDW-COS
2h 30mnonstop
$197Southwest
Find Deal
jue., sep. 18 - sáb., sep. 20
American Airlines Logo
12:25 pm - 4:10 pmCOS-ORD
2h 45mnonstop
American Airlines Logo
9:56 am - 11:51 amORD-COS
2h 55mnonstop
$199American Airlines
Find Deal
sáb., sep. 6 - mar., sep. 9
United Airlines Logo
6:00 am - 9:52 amCOS-ORD
2h 52mnonstop
United Airlines Logo
1:58 pm - 5:30 pmORD-COS
4h 32m1 stop
$201United Airlines
Find Deal
jue., sep. 4 - jue., sep. 4
American Airlines Logo
12:25 pm - 4:10 pmCOS-ORD
2h 45mnonstop
American Airlines Logo
9:56 am - 11:51 amORD-COS
2h 55mnonstop
$217American Airlines
Find Deal
sáb., sep. 6 - mar., sep. 9
Delta Logo
5:55 pm - 12:38 amCOS-STL
5h 43m1 stop
Delta Logo
2:31 pm - 10:11 pmSTL-COS
8h 40m1 stop
$217Delta
Find Deal
jue., sep. 18 - lun., sep. 22
Delta Logo
1:10 pm - 9:26 pmCOS-MDW
7h 16m1 stop
Delta Logo
1:08 pm - 8:41 pmMDW-COS
8h 33m2 stops
$222Delta
Find Deal
vie., sep. 5 - sáb., sep. 6

United Airlines flights from Colorado Springs to Illinois

Our best United Airlines deals on Colorado Springs to Illinois flight tickets
United Airlines
Sep 28
COS6:00 amColorado Springs
2h 41m
ORD9:41 amChicago O'Hare Intl
Oct 1
ORD7:51 pmChicago O'Hare Intl
2h 50m
COS9:41 pmColorado Springs
$156
Find similar
United Airlines
Aug 29
COS12:02 pmColorado Springs
2h 41m
ORD3:43 pmChicago O'Hare Intl
Aug 31
ORD9:07 amChicago O'Hare Intl
2h 49m
COS10:56 amColorado Springs
$173
Find similar
United Airlines
Aug 29
COS12:02 pmColorado Springs
2h 41m
ORD3:43 pmChicago O'Hare Intl
Aug 31
ORD5:00 amChicago O'Hare Intl
5h 04m
1 stop
COS9:04 amColorado Springs
$183
Find similar

American Airlines flights from Colorado Springs to Illinois

Our best American Airlines deals on Colorado Springs to Illinois flight tickets
American Airlines
Sep 6
COS12:25 pmColorado Springs
2h 45m
ORD4:10 pmChicago O'Hare Intl
Sep 9
ORD9:56 amChicago O'Hare Intl
2h 55m
COS11:51 amColorado Springs
$199
Find similar
American Airlines
Sep 6
COS12:25 pmColorado Springs
2h 45m
ORD4:10 pmChicago O'Hare Intl
Sep 9
ORD9:56 amChicago O'Hare Intl
2h 55m
COS11:51 amColorado Springs
$217
Find similar
American Airlines
Sep 17
COS12:21 pmColorado Springs
2h 45m
ORD4:06 pmChicago O'Hare Intl
Sep 19
ORD9:56 amChicago O'Hare Intl
2h 55m
COS11:51 amColorado Springs
$225
Find similar

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 agosto 5, 2025.
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 - ORD

COSORD

Colorado Springs

dom. 9/28

6:00 am-9:41 am

Nonstop2h 41m

Chicago O'Hare Intl

mié. 10/1

7:51 pm-9:41 pm

Nonstop2h 50m

$156

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

vie. 8/29

12:02 pm-3:43 pm

Nonstop2h 41m

Chicago O'Hare Intl

dom. 8/31

9:07 am-10:56 am

Nonstop2h 49m

$173

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

vie. 8/29

12:02 pm-3:43 pm

Nonstop2h 41m

Chicago O'Hare Intl

dom. 8/31

5:00 am-9:04 am

1 stop5h 04m

$183

Colorado SpringsChicago

COS - MDW

COSMDW

Colorado Springs

jue. 9/18

9:45 am-1:10 pm

Nonstop2h 25m

Chicago Midway

sáb. 9/20

5:35 pm-7:05 pm

Nonstop2h 30m

$196

Colorado SpringsChicago

COS - MDW

COSMDW

Colorado Springs

jue. 9/18

3:30 pm-12:05 am

1 stop7h 35m

Chicago Midway

sáb. 9/20

5:35 pm-7:05 pm

Nonstop2h 30m

$197

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

sáb. 9/6

12:25 pm-4:10 pm

Nonstop2h 45m

Chicago O'Hare Intl

mar. 9/9

9:56 am-11:51 am

Nonstop2h 55m

$199

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

jue. 9/4

6:00 am-9:52 am

Nonstop2h 52m

Chicago O'Hare Intl

jue. 9/4

1:58 pm-5:30 pm

1 stop4h 32m

$201

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

sáb. 9/6

12:25 pm-4:10 pm

Nonstop2h 45m

Chicago O'Hare Intl

mar. 9/9

9:56 am-11:51 am

Nonstop2h 55m

$217

Colorado SpringsSt. Louis

COS - STL

COSSTL

Colorado Springs

jue. 9/18

5:55 pm-12:38 am

1 stop5h 43m

Lambert-St Louis

lun. 9/22

2:31 pm-10:11 pm

1 stop8h 40m

$217

Colorado SpringsChicago

COS - MDW

COSMDW

Colorado Springs

vie. 9/5

1:10 pm-9:26 pm

1 stop7h 16m

Chicago Midway

sáb. 9/6

1:08 pm-8:41 pm

2 stops8h 33m

$222

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 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 January is also cheap. Prices for this month can be found on momondo for an average of $316.

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 $418. Flights from Colorado Springs to Illinois on a Monday will generally be more expensive and average around $555. 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 $444. Flights in the morning are often more expensive with an average ticket price of $472.

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

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Colorado Springs when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $393 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Colorado Springs for as low as $155 on momondo.

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 20% 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

$70

Fastest flight time

2h 20m

Direct flights

Every day

Airports in Illinois

3 airports
The best one-way flight to Illinois from Colorado Springs in the past 72 hours is $70. The best round-trip flight deal from Colorado Springs to Illinois found on momondo in the last 72 hours is $156.
The fastest flight from Colorado Springs to Illinois takes 2h 20m
Direct flights go from Colorado Springs to Illinois every day.
There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)
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 $217Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $281Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
United AirlinesPriceFrom $287Free CancellationRating
7.4
8,916 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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1 adult
dom. 8/10
dom. 8/17
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