Cheap flights from Colorado Springs to Illinois from $124
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 10/27. 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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Fly from
Fly to
Route
Depart
Return
Colorado SpringsChicago
COS Colorado Springs - ORD Chicago O'Hare Intl
COSORD
Colorado Springs
Thu 11/5
1:34 pm-5:29 pm
Nonstop2h 55m
Chicago O'Hare Intl
Thu 11/12
11:00 am-1:04 pm
Nonstop3h 04m
Colorado SpringsChicago
COS Colorado Springs - ORD Chicago O'Hare Intl
COSORD
Colorado Springs
Thu 10/29
12:46 pm-4:31 pm
Nonstop2h 45m
Chicago O'Hare Intl
Mon 11/2
11:00 am-1:04 pm
Nonstop3h 04m
Colorado SpringsChicago
COS Colorado Springs - ORD Chicago O'Hare Intl
COSORD
Colorado Springs
Thu 10/29
12:02 pm-3:53 pm
Nonstop2h 51m
Chicago O'Hare Intl
Mon 11/2
8:55 am-11:15 am
Nonstop3h 20m
Colorado SpringsChicago
COS Colorado Springs - ORD Chicago O'Hare Intl
COSORD
Colorado Springs
Wed 12/9
1:39 pm-5:29 pm
Nonstop2h 50m
Chicago O'Hare Intl
Sat 12/12
11:00 am-1:09 pm
Nonstop3h 09m
Colorado SpringsChicago
COS Colorado Springs - ORD Chicago O'Hare Intl
COSORD
Colorado Springs
Tue 11/10
5:05 pm-10:46 pm
1 stop4h 41m
Chicago O'Hare Intl
Sat 11/14
8:55 am-11:15 am
Nonstop3h 20m
Colorado SpringsChicago
COS Colorado Springs - MDW Chicago Midway
COSMDW
Colorado Springs
Thu 10/29
2:05 pm-5:25 pm
Nonstop2h 20m
Chicago Midway
Mon 11/2
5:55 am-9:25 am
1 stop4h 30m
Colorado SpringsChicago
COS Colorado Springs - ORD Chicago O'Hare Intl
COSORD
Colorado Springs
Thu 11/5
5:05 pm-11:59 pm
1 stop5h 54m
Chicago O'Hare Intl
Thu 11/12
7:50 pm-9:57 pm
Nonstop3h 07m
Colorado SpringsChicago
COS Colorado Springs - MDW Chicago Midway
COSMDW
Colorado Springs
Thu 10/29
2:05 pm-5:25 pm
Nonstop2h 20m
Chicago Midway
Mon 11/2
2:35 pm-9:40 pm
2 stops8h 05m
Colorado SpringsChicago
COS Colorado Springs - ORD Chicago O'Hare Intl
COSORD
Colorado Springs
Sat 11/7
1:26 pm-8:38 pm
1 stop6h 12m
Chicago O'Hare Intl
Tue 11/10
1:30 pm-8:50 pm
1 stop8h 20m
Colorado SpringsChicago
COS Colorado Springs - ORD Chicago O'Hare Intl
COSORD
Colorado Springs
Mon 11/9
1:31 pm-8:49 pm
1 stop6h 18m
Chicago O'Hare Intl
Thu 11/12
2:03 pm-10:22 pm
1 stop9h 19m
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 February is also cheap. Prices for this month can be found on momondo for an average of $327.
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 Saturday when prices can be found for as low as $404. Flights from Colorado Springs to Illinois on a Sunday will generally be more expensive and average around $613. 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 $474. Flights in the afternoon are often more expensive with an average ticket price of $612.
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 from Colorado Springs 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 $387 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 $264 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.
What is the cheapest airline that flies from Colorado Springs to Illinois?
Southwest, Delta, and United Airlines are the most popular carriers operating from Colorado Springs to Illinois
What airlines fly to Illinois?
United Airlines, American Airlines and Frontier 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 44% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 6 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 day?
6 flights are operational daily from Colorado Springs to Illinois as of October 2026. The most popular departure time for this route is 8:00AM, with 75% of flights per day taking off at noon.
How many flights depart from Colorado Springs to Illinois on average per week?
As of October 2026, there are 44 flights per week flying from Colorado Springs to Illinois. The most common day of the week flights depart is Mon, with 16% 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
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?
As of October 2026, 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) (27.83% of total bookings). The next most popular plane models are Canadair (Bombardier) Regional Jet 700 (26.09%), Boeing 737-800 (11.65%), and Boeing 737 MAX 9 (10.78%).
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 | ||
|---|---|---|---|---|---|
| PriceFrom $229 | Free Cancellation | Rating 7.0 12,130 reviews | |||
| PriceFrom $239 | Free Cancellation | Rating 7.4 10,302 reviews | |||
| PriceFrom $243 | Free Cancellation | Rating 7.9 4,214 reviews |
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.