COS

$103 Find Cheap Flights from Illinois to Colorado Springs

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Colorado Springs departing on 4/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Illinois to Colorado Springs

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Colorado Springs that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to Colorado Springs

Tue, May 5 - Tue, May 12
United Airlines Logo
8:46 am - 12:26 pm
STL
-
COS
4h 40m
1 stop
United Airlines Logo
3:25 pm - 8:43 pm
COS
-
STL
4h 18m
1 stop
$205United Airlines
Sat, May 2 - Sat, May 9
American Airlines Logo
9:53 am - 11:52 am
ORD
-
COS
2h 59mnonstop
American Airlines Logo
12:22 pm - 4:09 pm
COS
-
ORD
2h 47mnonstop
$221American Airlines
Mon, Apr 6 - Mon, Apr 13
Southwest Logo
5:15 am - 10:30 am
STL
-
COS
6h 15m
1 stop
Southwest Logo
4:05 pm - 12:15 am
COS
-
STL
7h 10m
1 stop
$221Southwest
Mon, Apr 6 - Mon, Apr 13
Southwest Logo
6:40 pm - 9:45 pm
STL
-
COS
4h 05m
1 stop
Southwest Logo
4:05 pm - 11:55 pm
COS
-
STL
6h 50m
2 stops
$226Southwest
Tue, May 5 - Tue, May 12
United Airlines Logo
7:45 am - 2:24 pm
STL
-
COS
7h 39m
2 stops
United Airlines Logo
1:25 pm - 8:43 pm
COS
-
STL
6h 18m
1 stop
$228United Airlines
Tue, Apr 7 - Tue, Apr 14
Delta Logo
2:12 pm - 10:05 pm
STL
-
COS
8h 53m
1 stop
Delta Logo
7:59 am - 5:26 pm
COS
-
STL
8h 27m
1 stop
$241Delta
Tue, Apr 7 - Wed, Apr 8
Delta Logo
12:28 pm - 10:05 pm
STL
-
COS
10h 37m
2 stops
Delta Logo
8:15 am - 5:07 pm
COS
-
STL
7h 52m
1 stop
$246Delta
Thu, Apr 30 - Sun, May 3
Allegiant Air Logo
9:24 am - 9:59 am
MLI
-
COS
25h 35m
1 stop
Allegiant Air Logo
6:46 pm - 9:05 pm
COS
-
MLI
25h 19m
1 stop
$328Allegiant Air
Thu, Apr 30 - Sun, May 3
Multiple Airlines Logo
12:19 pm - 1:52 pm
MLI
-
COS
26h 33m
2 stops
Multiple Airlines Logo
6:46 pm - 9:05 pm
COS
-
MLI
25h 19m
1 stop
$340Multiple Airlines
Wed, Mar 25 - Sun, Mar 29
Allegiant Air Logo
8:55 pm - 6:13 pm
PIA
-
COS
22h 18m
1 stop
Allegiant Air Logo
7:03 pm - 1:07 pm
COS
-
PIA
17h 04m
1 stop
$506Allegiant Air
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$103
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly and prices are also 2% lower on average.
Flight from St. Louis to Colorado Springs

FAQs for booking flights from Illinois to Colorado Springs

  • How does KAYAK find such low prices on flights from Illinois to Colorado Springs?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Colorado Springs.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Colorado Springs?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Colorado Springs from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Colorado Springs?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Colorado Springs with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Colorado Springs?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Colorado Springs from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Colorado Springs

Information on the airport you'll fly into in Colorado Springs

Colorado Springs (COS)