Colorado Springs

$137+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — COS
Nov 25 — Dec 21
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Cheap flight deals from Illinois to Colorado Springs

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Colorado Springs (COS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

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 November 20, 2024.

This American Airlines deal was found by Cheapflights users on 11/19. 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.
Thu 12/125:00 amORD - COS
1 stop5h 51mAmerican Airlines
Sun 12/156:00 amCOS - ORD
1 stop7h 15mAmerican Airlines
Deal found 11/19$274
This Delta deal was found by Cheapflights users on 11/19. 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.
Tue 12/176:00 amMDW - COS
1 stop7h 46mDelta
Tue 12/242:58 pmCOS - MDW
1 stop6h 08mDelta
Deal found 11/19$302
This United Airlines deal was found by Cheapflights users on 11/18. 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 12/109:50 amORD - COS
Nonstop3h 05mUnited Airlines
Fri 12/139:00 amCOS - ORD
Nonstop2h 54mUnited Airlines
Deal found 11/18$307
This Southwest deal was found by Cheapflights users on 11/19. 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 12/1710:40 amMDW - COS
Nonstop2h 35mSouthwest
Tue 12/247:50 amCOS - MDW
1 stop11h 05mSouthwest
Deal found 11/19$313
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Thu 12/194:43 pmSTL - COS
1 stop6h 20mUnited Airlines
Wed 12/259:38 amCOS - STL
1 stop5h 50mUnited Airlines
Deal found 11/19$316
This American Airlines deal was found by Cheapflights users on 11/19. 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 12/611:41 amSTL - COS
1 stop7h 15mAmerican Airlines
Tue 12/106:00 amCOS - STL
1 stop5h 56mAmerican Airlines
Deal found 11/19$344
This Southwest deal was found by Cheapflights users on 11/19. 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 12/194:00 pmORD - COS
1 stop8h 10mSouthwest
Thu 12/265:05 amCOS - ORD
1 stop8h 55mSouthwest
Deal found 11/19$345
This Southwest deal was found by Cheapflights users on 11/19. 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 12/205:45 amSTL - COS
1 stop6h 00mSouthwest
Tue 12/247:50 amCOS - STL
1 stop10h 45mSouthwest
Deal found 11/19$346
This Delta deal was found by Cheapflights users on 11/19. 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 12/69:50 amORD - COS
2 stops10h 49mDelta
Tue 12/108:20 amCOS - ORD
1 stop8h 49mDelta
Deal found 11/19$352
This United Airlines deal was found by Cheapflights users on 11/18. 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.
Wed 12/186:30 amMLI - COS
2 stops11h 47mUnited Airlines
Wed 1/83:30 pmCOS - MLI
1 stop4h 12mUnited Airlines
Deal found 11/18$368
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Wed 12/45:35 pmPIA - COS
1 stop5h 05mUnited Airlines
Sun 12/83:19 pmCOS - PIA
2 stops21h 46mUnited Airlines
Deal found 11/19$626
This Delta deal was found by Cheapflights users on 11/20. 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.
Thu 12/56:00 amBMI - COS
1 stop7h 44mDelta
Mon 12/91:44 pmCOS - BMI
1 stop7h 27mDelta
Deal found 11/20$638

Find flights from Illinois to Colorado Springs within your budget

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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoColorado Springs

MDW - COS

MDWCOS

Chicago Midway

Sat 2/22

8:00 am-9:45 am

Nonstop2h 45m

Colorado Springs

Tue 2/25

6:15 am-12:00 pm

1 stop4h 45m

$265

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

Thu 1/23

5:00 am-9:41 am

1 stop5h 41m

Colorado Springs

Tue 1/28

12:40 pm-9:04 pm

1 stop7h 24m

$274

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

Thu 2/6

7:10 am-12:27 pm

1 stop6h 17m

Colorado Springs

Mon 2/10

3:30 pm-9:25 pm

1 stop4h 55m

$297

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

Thu 1/23

10:30 am-9:06 pm

2 stops11h 36m

Colorado Springs

Tue 1/28

6:00 am-3:45 pm

1 stop8h 45m

$302

St. LouisColorado Springs

STL - COS

STLCOS

Lambert-St Louis

Mon 1/6

5:21 am-10:12 am

1 stop5h 51m

Colorado Springs

Wed 1/8

6:00 am-1:00 pm

1 stop6h 00m

$302

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

Sat 1/11

7:15 am-4:00 pm

2 stops9h 45m

Colorado Springs

Sun 1/19

6:15 am-4:45 pm

2 stops9h 30m

$312

St. LouisColorado Springs

STL - COS

STLCOS

Lambert-St Louis

Thu 12/19

4:43 pm-10:03 pm

1 stop6h 20m

Colorado Springs

Wed 12/25

9:38 am-4:28 pm

1 stop5h 50m

$316

MolineColorado Springs

MLI - COS

MLICOS

Moline Quad-City

Fri 1/3

3:45 pm-10:03 pm

2 stops7h 18m

Colorado Springs

Wed 1/8

1:35 pm-8:42 pm

1 stop6h 07m

$323

ChicagoColorado Springs

MDW - COS

MDWCOS

Chicago Midway

Tue 12/10

6:00 am-12:46 pm

1 stop7h 46m

Colorado Springs

Fri 12/13

1:44 pm-10:06 pm

1 stop7h 22m

$326

St. LouisColorado Springs

STL - COS

STLCOS

Lambert-St Louis

Fri 1/17

7:50 am-4:55 pm

1 stop10h 05m

Colorado Springs

Mon 1/20

2:00 pm-9:40 pm

1 stop6h 40m

$326

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 26 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.

Travel insights for flights from Illinois to Colorado Springs

Get recent, data-driven insights about flights from Illinois to Colorado Springs including ideal travel times, pricing trends, and more.

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 $426). 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 November 20, 2024.

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.

Weekly flight availability from Illinois to Colorado Springs

Explore weekly flight availability from Illinois to Colorado Springs. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 20, 2024.

The most flights from USIL to COS are scheduled on a Monday (4 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

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 November 20, 2024.
Read reviews from past customers who have flown American Airlines, Southwest 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.
8.1
Very good
5,014 reviews

Overall

8.1

Crew

8.7

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Food

7.2

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

8.1
Very good
5,014 reviews
8.1
Very good
5,014 reviews

Overall

8.1

Crew

8.7

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Food

7.2

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

8.0
Very good
8,756 reviews
8.1
Very good
5,014 reviews

Overall

8.1

Crew

8.7

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Food

7.2

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

7.4
Good
9,171 reviews
8.1
Very good
5,014 reviews

Overall

8.1

Crew

8.7

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Food

7.2

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

7.2
Good
10,000 reviews
8.1
Very good
5,014 reviews

Overall

8.1

Crew

8.7

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Food

7.2

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

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 $137 on American Airlines. Other airlines that offer cheap prices include Delta from $137 and Southwest from $160 one-way.

  • What are the most popular routes 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 (84%), United Airlines (84%), Lufthansa( 75%).

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

    While on average a flight from Illinois to Colorado Springs is generally $397, our data shows the cheapest flight currently is $166. When looking at the most popular route, (Chicago O'Hare Intl - Colorado Springs), you can expect to pay $297 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 $426). 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

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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.

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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$173Average$468FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$213Average$483FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$270Average$332FlexibilityNo cancel feeOn-time63%
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