HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Colorado Springs

$120+ Cheap flights from Illinois to Colorado Springs (COS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — COS
abr. 2 — abr. 91
mié. 4/2
mié. 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Colorado Springs with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Illinois to Colorado Springs

Keep the following information in mind while searching for Illinois to Colorado Springs flight deals. Data was last updated marzo 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(United Airlines)

One-way from

$120
(Mytrip)

Popular in

December

Cheapest in

November

Average price

$382

Good round-trip deal

$265 or less

Good one-way deal

$157 or less
Provider with most accurate pricing for Chicago (CHI)-Colorado Springs flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Colorado Springs flights.
Search Deals
From Illinois to Colorado Springs
Search Deals
One-way flight from Illinois to Colorado Springs
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Colorado Springs.
Search Deals
Price to beat on a one-way flight from Illinois to Colorado Springs.
Search Deals

Find flight deals from Illinois to Colorado Springs

Cheapest flights from Illinois to Colorado Springs
Explore the most affordable flight options available from Illinois to Colorado Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 28, 2025.

This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/162:50 pmMDW - COS
Nonstop2h 35mSouthwest
mar. 5/61:50 pmCOS - MDW
Nonstop2h 20mSouthwest
Deal found 3/25$255
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/69:30 amORD - COS
Nonstop3h 05mUnited Airlines
mar. 5/65:15 pmCOS - ORD
1 stop6h 14mUnited Airlines
Deal found 3/27$265
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/246:00 amSTL - COS
1 stop7h 32mDelta
jue. 5/16:00 amCOS - STL
1 stop8h 00mDelta
Deal found 3/27$267
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/38:30 amSTL - COS
1 stop7h 50mSouthwest
lun. 5/55:05 pmCOS - STL
1 stop6h 30mSouthwest
Deal found 3/27$287
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/27:00 amORD - COS
1 stop6h 15mSouthwest
lun. 5/1212:10 pmCOS - ORD
1 stop9h 10mSouthwest
Deal found 3/27$295
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/612:15 pmORD - COS
2 stops8h 07mDelta
vie. 5/98:00 amCOS - ORD
2 stops10h 20mDelta
Deal found 3/27$305
This United Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/285:15 pmPIA - COS
2 stops7h 44mUnited Airlines
mié. 11/55:30 amCOS - PIA
2 stops7h 11mUnited Airlines
Deal found 3/26$309
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/610:20 amMDW - COS
2 stops10h 02mDelta
vie. 5/98:00 amCOS - MDW
2 stops8h 45mDelta
Deal found 3/27$313
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/65:00 amORD - COS
1 stop5h 42mAmerican Airlines
mar. 5/64:43 pmCOS - ORD
1 stop6h 13mAmerican Airlines
Deal found 3/27$318
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/115:25 pmMLI - COS
2 stops7h 34mUnited Airlines
mar. 4/1512:55 pmCOS - MLI
1 stop7h 40mUnited Airlines
Deal found 3/27$324
This Mytrip deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/111:53 amORD - COS
2 stops22h 22mMultiple Airlines
dom. 5/44:35 pmCOS - ORD
3 stops36h 10mMultiple Airlines
Deal found 3/28$326
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/244:32 pmSTL - COS
1 stop6h 19mUnited Airlines
mié. 5/2812:50 pmCOS - STL
2 stops8h 55mUnited Airlines
Deal found 3/27$372

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated marzo 28, 2025.
Use the filters below to find and compare flights from Illinois to Colorado Springs that are best for you.

Fly from

Illinois

Fly to

Colorado Springs

Route

Depart

Return

Price

PeoriaColorado Springs

PIA - COS

PIACOS

Greater Peoria

sáb. 5/10

8:50 am-2:38 pm

1 stop6h 48m

Colorado Springs

sáb. 5/17

12:10 pm-9:33 pm

2 stops8h 23m

$249

ChicagoColorado Springs

MDW - COS

MDWCOS

Chicago Midway

mié. 4/16

2:50 pm-4:25 pm

Nonstop2h 35m

Colorado Springs

mar. 5/6

1:50 pm-5:10 pm

Nonstop2h 20m

$255

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

mar. 7/1

9:42 am-11:31 am

Nonstop2h 49m

Colorado Springs

sáb. 7/5

5:00 am-12:20 pm

1 stop6h 20m

$261

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

mar. 5/6

9:30 am-11:35 am

Nonstop3h 05m

Colorado Springs

mar. 5/6

5:15 pm-12:29 am

1 stop6h 14m

$265

St. LouisColorado Springs

STL - COS

STLCOS

Lambert-St Louis

jue. 4/24

6:00 am-12:32 pm

1 stop7h 32m

Colorado Springs

jue. 5/1

6:00 am-3:00 pm

1 stop8h 00m

$267

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

mié. 4/16

1:30 pm-10:00 pm

2 stops9h 30m

Colorado Springs

mar. 5/6

5:15 pm-11:05 pm

1 stop4h 50m

$280

St. LouisColorado Springs

STL - COS

STLCOS

Lambert-St Louis

sáb. 5/3

8:30 am-3:20 pm

1 stop7h 50m

Colorado Springs

lun. 5/5

5:05 pm-12:35 am

1 stop6h 30m

$287

ChicagoColorado Springs

MDW - COS

MDWCOS

Chicago Midway

mar. 5/6

10:20 am-7:22 pm

2 stops10h 02m

Colorado Springs

vie. 5/9

8:00 am-5:45 pm

2 stops8h 45m

$313

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

sáb. 4/26

3:30 pm-9:05 pm

1 stop6h 35m

Colorado Springs

sáb. 5/3

6:00 am-2:20 pm

1 stop7h 20m

$315

MolineColorado Springs

MLI - COS

MLICOS

Moline Quad-City

vie. 4/11

5:25 pm-11:59 pm

2 stops7h 34m

Colorado Springs

mar. 4/15

12:55 pm-9:35 pm

1 stop7h 40m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 34 results
1
2
3
4

Best time to book a flight from Illinois to Colorado Springs

Have a flexible travel schedule? Discover the best time to fly to Colorado Springs from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Colorado Springs

What is the cheapest month to book a flight from Illinois to Colorado Springs?

Currently, January is the cheapest month in which you can book a flight from Illinois to Colorado Springs (average of $316). Flying from Illinois to Colorado Springs in June is currently the most expensive (average of $441). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to COS?

Find hourly flight availability from Illinois to Colorado Springs. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated marzo 28, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Colorado Springs as you normally would.

Rainfall in Colorado Springs by month

Plan your trip to Colorado Springs by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Colorado Springs ranges from 0.3 - 3.3 inches per month. August is typically the wettest month, when rainfall can reach 3.3 in. January is typically the driest time to visit Colorado Springs when rainfall is around 0.3 in.

Temperature in Colorado Springs by month

Plan your trip to Colorado Springs by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Colorado Springs, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Colorado Springs

Get insights into the airlines that provide service to Colorado Springs. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colorado Springs. Reviews last updated marzo 28, 2025.
Read reviews from past customers who have flown Southwest, Delta and United Airlines from Illinois to Colorado Springs. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Steven,Feb 2025

BZN - DEN

Bozeman Airport knows how to deal with snow. I saw many airlines leave with only small delays due to the foot of snow. Our plane was 4 hours delayed. I missed my connection in Denver with a 3.5 hour layover. Because of that, the best you Southwest could do was make me wait more hours, them send me to Chicago Midway, where I had to wait overnight, for 7 more hours until a flight to RSW was available. Nobody at Southwest told me that Midway shuts down after 8pm. Everything was closed. I had no idea. You just dumped me there. I am a 65 year old man and you dumped me in Midway without even a couch to lie on. I was awake 21 hours because of this. No, it was not an act of God. Other airlines were moving passengers out. It was incompetence Shame on you.
Southwest
8.1
Very good
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Steven,Feb 2025

BZN - DEN

Bozeman Airport knows how to deal with snow. I saw many airlines leave with only small delays due to the foot of snow. Our plane was 4 hours delayed. I missed my connection in Denver with a 3.5 hour layover. Because of that, the best you Southwest could do was make me wait more hours, them send me to Chicago Midway, where I had to wait overnight, for 7 more hours until a flight to RSW was available. Nobody at Southwest told me that Midway shuts down after 8pm. Everything was closed. I had no idea. You just dumped me there. I am a 65 year old man and you dumped me in Midway without even a couch to lie on. I was awake 21 hours because of this. No, it was not an act of God. Other airlines were moving passengers out. It was incompetence Shame on you.
Delta
8.0
Very good
7,897 reviews
Southwest
8.1
Very good
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Steven,Feb 2025

BZN - DEN

Bozeman Airport knows how to deal with snow. I saw many airlines leave with only small delays due to the foot of snow. Our plane was 4 hours delayed. I missed my connection in Denver with a 3.5 hour layover. Because of that, the best you Southwest could do was make me wait more hours, them send me to Chicago Midway, where I had to wait overnight, for 7 more hours until a flight to RSW was available. Nobody at Southwest told me that Midway shuts down after 8pm. Everything was closed. I had no idea. You just dumped me there. I am a 65 year old man and you dumped me in Midway without even a couch to lie on. I was awake 21 hours because of this. No, it was not an act of God. Other airlines were moving passengers out. It was incompetence Shame on you.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Steven,Feb 2025

BZN - DEN

Bozeman Airport knows how to deal with snow. I saw many airlines leave with only small delays due to the foot of snow. Our plane was 4 hours delayed. I missed my connection in Denver with a 3.5 hour layover. Because of that, the best you Southwest could do was make me wait more hours, them send me to Chicago Midway, where I had to wait overnight, for 7 more hours until a flight to RSW was available. Nobody at Southwest told me that Midway shuts down after 8pm. Everything was closed. I had no idea. You just dumped me there. I am a 65 year old man and you dumped me in Midway without even a couch to lie on. I was awake 21 hours because of this. No, it was not an act of God. Other airlines were moving passengers out. It was incompetence Shame on you.
Allegiant Air
7.3
Good
731 reviews
Southwest
8.1
Very good
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Steven,Feb 2025

BZN - DEN

Bozeman Airport knows how to deal with snow. I saw many airlines leave with only small delays due to the foot of snow. Our plane was 4 hours delayed. I missed my connection in Denver with a 3.5 hour layover. Because of that, the best you Southwest could do was make me wait more hours, them send me to Chicago Midway, where I had to wait overnight, for 7 more hours until a flight to RSW was available. Nobody at Southwest told me that Midway shuts down after 8pm. Everything was closed. I had no idea. You just dumped me there. I am a 65 year old man and you dumped me in Midway without even a couch to lie on. I was awake 21 hours because of this. No, it was not an act of God. Other airlines were moving passengers out. It was incompetence Shame on you.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Steven,Feb 2025

BZN - DEN

Bozeman Airport knows how to deal with snow. I saw many airlines leave with only small delays due to the foot of snow. Our plane was 4 hours delayed. I missed my connection in Denver with a 3.5 hour layover. Because of that, the best you Southwest could do was make me wait more hours, them send me to Chicago Midway, where I had to wait overnight, for 7 more hours until a flight to RSW was available. Nobody at Southwest told me that Midway shuts down after 8pm. Everything was closed. I had no idea. You just dumped me there. I am a 65 year old man and you dumped me in Midway without even a couch to lie on. I was awake 21 hours because of this. No, it was not an act of God. Other airlines were moving passengers out. It was incompetence Shame on you.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Colorado Springs. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Colorado Springs from Illinois?

    If you book a flight to Colorado Springs from Illinois, you will be flying to Colorado Springs, which is the city’s only airport. Colorado Springs (COS) is located 6.7 mi from the center of Colorado Springs.

  • What are the cheapest airlines to fly from Illinois to Colorado Springs one-way?

    One-way options have recently been found by users for as low as $120 on Allegiant Air. Other airlines that offer cheap prices include United Airlines from $128 and Southwest from $128 one-way.

  • What are the most popular routes from Illinois to Colorado Springs?

    Most travelers choose Chicago O'Hare Intl - Colorado Springs, Chicago Midway - Colorado Springs or Lambert-St Louis - Colorado Springs when deciding on the best route from Illinois to Colorado Springs.

  • What are the cheapest flights from Illinois to Colorado Springs?

    While on average a flight from Illinois to Colorado Springs is generally $311, our data shows the cheapest flight currently is $142. When looking at the most popular route, (Chicago O'Hare Intl - Colorado Springs), you can expect to pay $275 for that flight.

  • Can I find deals for flights from Illinois to Colorado Springs that include hotel bookings?

    Yes. In addition to deals on Illinois to Colorado Springs flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Colorado Springs?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Colorado Springs.

  • Can I find deals for business class flights from Illinois to Colorado Springs?

    Yes. Cheapflights offers flight deals from Illinois to Colorado Springs by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Colorado Springs?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Colorado Springs (average of $316). Flying from Illinois to Colorado Springs in June is currently the most expensive (average of $441). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Illinois?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Colorado Springs

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Denver flights
John F Kennedy Intl to Denver flights
Dallas/Fort Worth to Denver flights
Dulles Intl to Denver flights
LaGuardia to Denver flights
O'Hare Intl to Denver flights
Boston to Denver flights
Seattle to Denver flights
Reagan-National to Denver flights
Philadelphia to Denver flights
Hobby to Denver flights
Minneapolis to Denver flights
Baltimore to Denver flights
Detroit to Denver flights
Los Angeles to Denver flights
San Francisco to Denver flights
Austin to Denver flights
Charlotte to Denver flights
George Bush Intcntl to Denver flights
Sky Harbor Intl to Denver flights
Atlanta to Denver flights
Orlando to Denver flights
Tampa to Denver flights
Portland to Denver flights
Raleigh to Denver flights
Ontario to Denver flights
San Diego to Denver flights
Cincinnati to Denver flights
Cleveland to Denver flights
Indianapolis to Denver flights
Madison to Denver flights
Hartford to Denver flights
Milwaukee to Denver flights
Fort Lauderdale to Denver flights
Grand Rapids to Denver flights
Pittsburgh to Denver flights
San Jose to Denver flights
Miami to Denver flights
Santa Ana to Denver flights
Richmond to Denver flights
St. Louis to Denver flights
Midway to Denver flights
Kansas City to Denver flights
Nashville to Denver flights
Des Moines to Denver flights
San Antonio to Denver flights
Appleton to Denver flights
Columbus to Denver flights
Jacksonville to Denver flights
Portland to Denver flights

Top 3 airlines flying from Illinois to Colorado Springs

Discover the top 3 airlines that operate flights from Illinois to Colorado Springs. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated marzo 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$205Average$447FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$260Average$442FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$264Average$346FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.