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Colorado Springs

$114+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — COS
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$255
(American Airlines)

One-way from

$114
(United Airlines)

Popular in

December

Cheapest in

November

Average price

$425

Good round-trip deal

$283 or less

Good one-way deal

$127 or less
Provider with most accurate pricing for Chicago (CHI)-Colorado Springs flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Colorado Springs flights.
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From Illinois to Colorado Springs
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One-way flight from Illinois to Colorado Springs
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Illinois to Colorado Springs.
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Price to beat on a one-way flight from Illinois to Colorado Springs.
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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 May 1, 2025.

This Delta deal was found by Cheapflights users on 4/30. 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.
Fri 7/43:42 pmSTL - COS
1 stop6h 15mDelta
Tue 7/85:55 pmCOS - STL
1 stop5h 43mDelta
Deal found 4/30$243
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Sat 6/145:02 amORD - COS
1 stop4h 49mUnited Airlines
Tue 6/172:35 pmCOS - ORD
1 stop4h 25mUnited Airlines
Deal found 4/29$259
This Delta deal was found by Cheapflights users on 4/29. 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.
Mon 6/96:00 amORD - COS
1 stop5h 02mDelta
Wed 6/112:28 pmCOS - ORD
1 stop8h 29mDelta
Deal found 4/29$261
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 6/109:42 amORD - COS
Nonstop2h 49mAmerican Airlines
Tue 6/1712:01 pmCOS - ORD
Nonstop2h 39mAmerican Airlines
Deal found 4/29$262
This Southwest deal was found by Cheapflights users on 4/29. 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.
Fri 5/3012:05 pmMDW - COS
Nonstop2h 30mSouthwest
Tue 6/102:55 pmCOS - MDW
Nonstop2h 20mSouthwest
Deal found 4/29$262
This Delta deal was found by Cheapflights users on 4/29. 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.
Fri 5/309:16 amMDW - COS
2 stops12h 44mDelta
Tue 6/1010:57 amCOS - MDW
1 stop5h 43mDelta
Deal found 4/29$264
This Southwest deal was found by Cheapflights users on 4/30. 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.
Tue 10/710:15 amSTL - COS
2 stops7h 40mSouthwest
Tue 10/145:30 pmCOS - STL
1 stop4h 15mSouthwest
Deal found 4/30$304
This Southwest deal was found by Cheapflights users on 4/30. 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.
Thu 8/145:25 pmORD - COS
1 stop7h 00mSouthwest
Sun 8/175:40 amCOS - ORD
1 stop7h 25mSouthwest
Deal found 4/30$308
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 10/285:15 pmPIA - COS
2 stops7h 44mUnited Airlines
Wed 11/55:30 amCOS - PIA
2 stops7h 11mUnited Airlines
Deal found 4/29$309
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 5/167:19 pmSTL - COS
1 stop5h 26mAmerican Airlines
Tue 5/204:43 pmCOS - STL
1 stop5h 02mAmerican Airlines
Deal found 4/29$315
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 7/45:00 amSTL - COS
2 stops9h 14mUnited Airlines
Tue 7/812:55 pmCOS - STL
2 stops8h 50mUnited Airlines
Deal found 4/30$323
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 6/213:55 pmMLI - COS
1 stop7h 27mAmerican Airlines
Sat 6/285:01 pmCOS - MLI
1 stop5h 08mAmerican Airlines
Deal found 4/30$337

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 May 1, 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

St. LouisColorado Springs

STL - COS

STLCOS

Lambert-St Louis

Fri 7/4

3:42 pm-8:57 pm

1 stop6h 15m

Colorado Springs

Tue 7/8

5:55 pm-12:38 am

1 stop5h 43m

$243

ChicagoColorado Springs

MDW - COS

MDWCOS

Chicago Midway

Sat 6/7

5:10 am-10:15 am

1 stop6h 05m

Colorado Springs

Tue 6/10

5:10 pm-12:30 am

1 stop6h 20m

$259

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

Sat 6/14

6:00 am-10:02 am

1 stop5h 02m

Colorado Springs

Tue 6/17

2:28 pm-9:24 pm

1 stop5h 56m

$259

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

Wed 7/16

9:49 am-11:33 am

Nonstop2h 44m

Colorado Springs

Wed 7/23

12:03 pm-3:49 pm

Nonstop2h 46m

$262

ChicagoColorado Springs

MDW - COS

MDWCOS

Chicago Midway

Fri 5/30

9:16 am-9:00 pm

2 stops12h 44m

Colorado Springs

Tue 6/10

10:57 am-5:40 pm

1 stop5h 43m

$264

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

Fri 6/6

9:15 am-11:08 am

Nonstop2h 53m

Colorado Springs

Tue 6/10

5:20 pm-12:25 am

1 stop6h 05m

$272

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

Fri 7/4

7:00 am-6:10 pm

2 stops12h 10m

Colorado Springs

Tue 7/8

6:10 am-4:45 pm

2 stops9h 35m

$292

St. LouisColorado Springs

STL - COS

STLCOS

Lambert-St Louis

Fri 5/16

7:19 pm-11:45 pm

1 stop5h 26m

Colorado Springs

Tue 5/20

4:43 pm-10:45 pm

1 stop5h 02m

$315

St. LouisColorado Springs

STL - COS

STLCOS

Lambert-St Louis

Fri 7/4

5:00 am-1:14 pm

2 stops9h 14m

Colorado Springs

Tue 7/8

12:55 pm-10:45 pm

2 stops8h 50m

$323

MolineColorado Springs

MLI - COS

MLICOS

Moline Quad-City

Sat 6/21

3:55 pm-10:22 pm

1 stop7h 27m

Colorado Springs

Sat 6/28

5:01 pm-11:09 pm

1 stop5h 08m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 38 results
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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 $424). 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 May 1, 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 May 1, 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
8.0
Very good
4,294 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.6

Crew

8.6

Comfort

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,294 reviews
Southwest
8.0
Very good
4,294 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.6

Crew

8.6

Comfort

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,934 reviews
Southwest
8.0
Very good
4,294 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.6

Crew

8.6

Comfort

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,696 reviews
Southwest
8.0
Very good
4,294 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.6

Crew

8.6

Comfort

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Allegiant Air
7.3
Good
734 reviews
Southwest
8.0
Very good
4,294 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.6

Crew

8.6

Comfort

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,294 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.6

Crew

8.6

Comfort

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank 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 $114 on United Airlines. Other airlines that offer cheap prices include Southwest from $114 and American Airlines from $122 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 most reliable airlines from Illinois to Colorado Springs?

    Before booking your flight to Colorado Springs from Illinois, check out the most reliable airlines to get you to your destination on time: SkyWest Airlines (76%), United Airlines (76%), Emirates( 69%).

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

    While on average a flight from Illinois to Colorado Springs is generally $254, our data shows the cheapest flight currently is $141. When looking at the most popular route, (Chicago O'Hare Intl - Colorado Springs), you can expect to pay $239 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 $424). 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

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Alternative routes for Illinois to Colorado Springs

See prices for flight routes from nearby airports that may be better suited for you.
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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$227Average$460FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$261Average$460FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$264Average$346FlexibilityNo cancel feeOn-time63%

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