$132+ Cheap flights from Illinois to Colorado Springs (COS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — COS
Oct 30 — Nov 61
Round-trip
1 adult, Economy
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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
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Cheapest flights from Illinois to Colorado SpringsExplore 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 September 30, 2026.
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 September 30, 2026.
This American Airlines deal was found by Cheapflights users on 9/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:00 am -
Nonstop3h 04m
Mon 11/161:34 pm -
Nonstop2h 55m
Deal found 9/25![American Airlines logo]()
$306
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Mon 12/711:00 am -
Nonstop3h 09m
Thu 12/101:39 pm -
Nonstop2h 50m
Deal found 9/29![American Airlines logo]()
$307
This American Airlines deal was found by Cheapflights users on 9/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:00 am -
Nonstop3h 04m
Tue 11/171:34 pm -
Nonstop2h 55m
Deal found 9/26![American Airlines logo]()
$308
This American Airlines deal was found by Cheapflights users on 9/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/311:00 am -
Nonstop3h 04m
Fri 11/61:34 pm -
Nonstop2h 55m
Deal found 9/26![American Airlines logo]()
$315
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Wed 10/2110:50 am -
Nonstop3h 06m
Mon 10/263:58 pm -
1 stop6h 02m
Deal found 9/30![American Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 9/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:45 am -
1 stop6h 20m
Sat 10/247:55 am -
Nonstop2h 20m
Deal found 9/26![Southwest logo]()
$317
This United Airlines deal was found by Cheapflights users on 9/30. 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 10/308:55 am -
Nonstop3h 20m
Fri 11/612:02 pm -
Nonstop2h 51m
Deal found 9/30![United Airlines logo]()
$323
This United Airlines deal was found by Cheapflights users on 9/26. 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.
Fri 10/239:03 am -
Nonstop2h 48m
Mon 10/265:10 pm -
1 stop4h 36m
Deal found 9/26![United Airlines logo]()
$325
This Southwest deal was found by Cheapflights users on 9/27. 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.
Fri 10/3011:50 am -
Nonstop2h 35m
Mon 11/27:45 pm -
1 stop9h 00m
Deal found 9/27![Southwest logo]()
$325
This Delta deal was found by Cheapflights users on 9/30. 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.
Mon 12/76:00 am -
1 stop7h 33m
Thu 12/101:40 pm -
1 stop8h 14m
Deal found 9/30![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 9/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:50 pm -
Nonstop3h 07m
Mon 11/25:05 pm -
1 stop5h 54m
Deal found 9/28![United Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 9/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:19 am -
2 stops9h 57m
Sat 10/241:26 pm -
1 stop6h 12m
Deal found 9/26![Delta logo]()
$332
Best flights from Illinois to Colorado SpringsDiscover carefully curated flight deals from Illinois to Colorado Springs that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 30, 2026.
Discover carefully curated flight deals from Illinois to Colorado Springs that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 30, 2026.
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Wed 12/167:00 am -
1 stop4h 34m
Tue 12/226:31 pm -
1 stop4h 59m
Deal found 9/29![United Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 9/25. 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.
Thu 11/125:55 am -
1 stop4h 30m
Mon 11/161:40 pm -
1 stop8h 30m
Deal found 9/25![Southwest logo]()
$327
This Delta deal was found by Cheapflights users on 9/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:29 am -
2 stops11h 47m
Sat 10/241:26 pm -
1 stop8h 07m
Deal found 9/26![Delta logo]()
$332
This American Airlines deal was found by Cheapflights users on 9/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:58 pm -
1 stop24h 02m
Sat 10/243:58 pm -
1 stop6h 00m
Deal found 9/28![American Airlines logo]()
$638
This Southwest deal was found by Cheapflights users on 9/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:00 am -
1 stop5h 35m
Wed 10/283:20 pm -
1 stop7h 30m
Deal found 9/26![Southwest logo]()
$327
This Delta deal was found by Cheapflights users on 9/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/512:32 pm -
2 stops10h 52m
Wed 12/96:05 pm -
2 stops13h 41m
Deal found 9/25![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 9/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:05 am -
1 stop4h 30m
Sat 10/319:30 am -
1 stop6h 15m
Deal found 9/26![Southwest logo]()
$335
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Fri 11/67:57 pm -
1 stop5h 02m
Sun 11/88:09 am -
Nonstop2h 47m
Deal found 9/29![United Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 9/27. 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.
Mon 12/712:34 pm -
2 stops10h 50m
Thu 12/101:40 pm -
1 stop6h 13m
Deal found 9/27![Delta logo]()
$368
This Southwest deal was found by Cheapflights users on 9/27. 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.
Fri 10/305:15 am -
2 stops15h 15m
Mon 11/27:45 pm -
1 stop9h 00m
Deal found 9/27![Southwest logo]()
$346
This United Airlines deal was found by Cheapflights users on 9/27. 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.
Fri 10/308:55 am -
Nonstop3h 20m
Mon 11/212:02 pm -
Nonstop2h 51m
Deal found 9/27![United Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 9/30. 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.
Wed 10/219:29 am -
2 stops11h 47m
Mon 10/261:31 pm -
1 stop8h 02m
Deal found 9/30![Delta logo]()
$368
This Southwest deal was found by Cheapflights users on 9/25. 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.
Wed 11/116:05 am -
1 stop4h 35m
Sun 11/157:45 pm -
1 stop9h 00m
Deal found 9/25![Southwest logo]()
$382
This United Airlines deal was found by Cheapflights users on 9/27. 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.
Sat 10/246:15 am -
1 stop5h 40m
Tue 10/271:28 pm -
1 stop6h 38m
Deal found 9/27![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 9/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:29 am -
2 stops12h 47m
Wed 10/288:17 am -
1 stop8h 53m
Deal found 9/26![Delta logo]()
$408
This Southwest deal was found by Cheapflights users on 9/27. 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.
Fri 10/306:05 am -
1 stop4h 30m
Sun 11/17:45 pm -
1 stop9h 00m
Deal found 9/27![Southwest logo]()
$382
This United Airlines deal was found by Cheapflights users on 9/27. 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.
Tue 10/206:15 am -
1 stop5h 40m
Wed 10/288:09 am -
1 stop7h 38m
Deal found 9/27![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 9/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:15 am -
1 stop5h 40m
Wed 10/282:55 pm -
1 stop5h 11m
Deal found 9/28![United Airlines logo]()
$439
This Southwest deal was found by Cheapflights users on 9/29. 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.
Wed 11/2511:05 am -
Nonstop2h 30m
Thu 11/2610:45 am -
1 stop5h 05m
Deal found 9/29![Southwest logo]()
$402
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:23 pm -
1 stop7h 53m
Sun 11/86:07 pm -
2 stops13h 34m
Deal found 9/28![Delta logo]()
$445
This United Airlines deal was found by Cheapflights users on 9/27. 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.
Tue 10/206:15 am -
1 stop5h 40m
Tue 10/271:28 pm -
1 stop6h 38m
Deal found 9/27![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 9/29. 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 10/275:00 am -
1 stop7h 15m
Sat 10/318:03 am -
1 stop4h 51m
Deal found 9/29![United Airlines logo]()
$439
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Sun 11/226:03 am -
1 stop7h 03m
Sat 11/288:00 am -
1 stop6h 37m
Deal found 9/29![American Airlines logo]()
$787
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Thu 12/175:45 pm -
1 stop7h 13m
Sun 12/208:00 am -
Nonstop2h 58m
Deal found 9/29![United Airlines logo]()
$464
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Sun 10/186:05 am -
1 stop7h 10m
Fri 10/233:58 pm -
1 stop6h 00m
Deal found 9/30![American Airlines logo]()
$887
This United Airlines deal was found by Cheapflights users on 9/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1012:46 pm -
1 stop5h 20m
Tue 10/138:00 am -
Nonstop2h 59m
Deal found 9/25![United Airlines logo]()
$493
This United Airlines deal was found by Cheapflights users on 9/27. 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.
Sat 10/248:30 am -
2 stops8h 56m
Fri 10/3011:34 am -
2 stops10h 39m
Deal found 9/27![United Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 9/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:00 am -
1 stop4h 33m
Sun 11/85:30 am -
1 stop4h 49m
Deal found 9/28![United Airlines logo]()
$502
This United Airlines deal was found by Cheapflights users on 9/27. 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.
Fri 10/236:15 am -
1 stop5h 36m
Tue 10/271:28 pm -
2 stops8h 45m
Deal found 9/27![United Airlines logo]()
$508
Last-minute flights from Illinois to Colorado SpringsDiscover last-minute flight deals from Illinois to Colorado Springs. Data last updated September 30, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Colorado Springs. Data last updated September 30, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:45 am -
1 stop6h 20m
Sat 10/247:55 am -
Nonstop2h 20m
Deal found 9/26![Southwest logo]()
$317
This Delta deal was found by Cheapflights users on 9/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:19 am -
2 stops9h 57m
Sat 10/241:26 pm -
1 stop6h 12m
Deal found 9/26![Delta logo]()
$332
This Delta deal was found by Cheapflights users on 9/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:29 am -
2 stops11h 47m
Sat 10/241:26 pm -
1 stop8h 07m
Deal found 9/26![Delta logo]()
$332
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Wed 10/2110:50 am -
Nonstop3h 06m
Mon 10/263:58 pm -
1 stop6h 02m
Deal found 9/30![American Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 9/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:05 am -
1 stop4h 40m
Wed 10/286:00 am -
2 stops7h 15m
Deal found 9/26![Southwest logo]()
$340
This United Airlines deal was found by Cheapflights users on 9/26. 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.
Fri 10/239:03 am -
Nonstop2h 48m
Mon 10/265:10 pm -
1 stop4h 36m
Deal found 9/26![United Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 9/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:47 pm -
Nonstop3h 06m
Sat 10/318:03 am -
Nonstop2h 50m
Deal found 9/25![United Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 9/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:50 pm -
Nonstop3h 07m
Mon 11/25:05 pm -
1 stop5h 54m
Deal found 9/28![United Airlines logo]()
$331
This United Airlines deal was found by Cheapflights users on 9/30. 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 10/308:55 am -
Nonstop3h 20m
Fri 11/612:02 pm -
Nonstop2h 51m
Deal found 9/30![United Airlines logo]()
$323
This Southwest deal was found by Cheapflights users on 9/27. 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.
Fri 10/3011:50 am -
Nonstop2h 35m
Mon 11/27:45 pm -
1 stop9h 00m
Deal found 9/27![Southwest logo]()
$325
This Delta deal was found by Cheapflights users on 9/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/302:03 pm -
1 stop9h 19m
Tue 11/38:17 am -
2 stops11h 13m
Deal found 9/25![Delta logo]()
$340
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:04 am -
1 stop7h 17m
Mon 11/26:00 am -
1 stop8h 17m
Deal found 9/28![Delta logo]()
$327
One-way flights from Illinois to Colorado SpringsSearch for one-way flight options from Illinois to Colorado Springs. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.
Search for one-way flight options from Illinois to Colorado Springs. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:30 am -
3 stops58h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$132
This United Airlines deal was found by Cheapflights users on 9/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:50 pm -
Nonstop3h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![United Airlines logo]()
$154
This Southwest deal was found by Cheapflights users on 9/30. 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 10/2911:50 am -
Nonstop2h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Southwest logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:21 am -
2 stops29h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$160
This American Airlines deal was found by Cheapflights users on 9/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2510:00 am -
Nonstop3h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![American Airlines logo]()
$162
This Southwest deal was found by Cheapflights users on 9/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:50 am -
Nonstop2h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Southwest logo]()
$162
This Delta deal was found by Cheapflights users on 9/30. 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.
Tue 10/276:30 am -
1 stop7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Delta logo]()
$164
This Delta deal was found by Cheapflights users on 9/30. 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.
Tue 10/276:04 am -
1 stop7h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Delta logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/910:20 am -
2 stops25h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$166
This United Airlines deal was found by Cheapflights users on 9/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:50 pm -
Nonstop3h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![United Airlines logo]()
$168
This United Airlines deal was found by Cheapflights users on 9/27. 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.
Mon 10/199:03 am -
Nonstop2h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![United Airlines logo]()
$171
This Delta deal was found by Cheapflights users on 9/30. 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 10/305:27 am -
1 stop8h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Delta logo]()
$172
Find 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 September 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $306 (American Airlines) |
One-way from | $132 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $361 |
Good round-trip deal | $364 or less |
Good one-way deal | $210 or less |
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 7,457,451 searches. Data last updated September 30, 2026.
Use the filters below to find and compare flights from Illinois to Colorado Springs that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoColorado Springs
ORD Chicago O'Hare Intl - COS Colorado Springs
ORDCOS
Chicago O'Hare Intl
Mon 10/26
5:00 am-9:37 am
1 stop5h 37m
Colorado Springs
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$164
ChicagoColorado Springs
ORD Chicago O'Hare Intl - COS Colorado Springs
ORDCOS
Chicago O'Hare Intl
Wed 12/2
2:04 pm-10:24 pm
1 stop9h 20m
Colorado Springs
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$164
ChicagoColorado Springs
ORD Chicago O'Hare Intl - COS Colorado Springs
ORDCOS
Chicago O'Hare Intl
Wed 12/9
7:00 am-12:37 pm
1 stop6h 37m
Colorado Springs
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$164
ChicagoColorado Springs
MDW Chicago Midway - COS Colorado Springs
MDWCOS
Chicago Midway
Wed 12/9
5:00 pm-9:55 pm
1 stop5h 55m
Colorado Springs
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$164
ChicagoColorado Springs
ORD Chicago O'Hare Intl - COS Colorado Springs
ORDCOS
Chicago O'Hare Intl
Wed 10/28
5:27 am-12:30 pm
1 stop8h 03m
Colorado Springs
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$164
ChicagoColorado Springs
MDW Chicago Midway - COS Colorado Springs
MDWCOS
Chicago Midway
Tue 10/27
5:45 pm-9:10 pm
1 stop4h 25m
Colorado Springs
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$164
ChicagoColorado Springs
MDW Chicago Midway - COS Colorado Springs
MDWCOS
Chicago Midway
Tue 10/27
12:49 pm-8:16 pm
1 stop8h 27m
Colorado Springs
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$164
ChicagoColorado Springs
ORD Chicago O'Hare Intl - COS Colorado Springs
ORDCOS
Chicago O'Hare Intl
Tue 10/27
8:29 am-5:27 pm
2 stops9h 58m
Colorado Springs
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$169
ChicagoColorado Springs
ORD Chicago O'Hare Intl - COS Colorado Springs
ORDCOS
Chicago O'Hare Intl
Thu 10/22
8:29 am-8:16 pm
2 stops12h 47m
Colorado Springs
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$169
ChicagoColorado Springs
MDW Chicago Midway - COS Colorado Springs
MDWCOS
Chicago Midway
Mon 11/23
1:31 pm-8:50 pm
2 stops8h 19m
Colorado Springs
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$169
Showing 1-10 of 49 resultsSorted by cheapest first
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.
ORD-COS
MDW-COS
BMI-COS
PIA-COS
MLI-COS
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
USIL-COS
ORD-COS
MDW-COS
BMI-COS
PIA-COS
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 $302). Flying from Illinois to Colorado Springs in July is currently the most expensive (average of $464). 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 September 30, 2026.
A simple way to save on the total cost of your ticket is to fly from Illinois to Colorado Springs in the afternoon. If you’re flexible enough to do this you can expect to save up to 35% on your trip compared to booking a flight in the evening.
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 September 30, 2026.
The most flights from USIL to COS are scheduled on a Monday (5 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 on average).
How much does it cost to fly round-trip from Illinois to Colorado Springs?
Airfare is below average for this route at the moment.
Illinois to Colorado Springs flights typically cost between $326 and $468 in November.The cheapest round-trip price found within the last 5 days was $306 on American Airlines (Nov 9-Nov 16).
How far ahead should I book a flight from Illinois to Colorado Springs?
To ensure you get the cheapest price possible for a flight from Illinois to Colorado Springs, you should look to book at least 38 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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.
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
Colorado Springs flight routes
Complete your trip
Flights by cabin class
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Popular flights
Top destinations
Alternative routes for Illinois to Colorado Springs
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Colorado Springs
Explore flights to Colorado Springs departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 30, 2026.
Complete your trip
Complete your trip to Colorado Springs by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Colorado Springs by cabin class
Find flights from Illinois to Colorado Springs, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Colorado Springs flights
Browse other Illinois and Colorado Springs flight options. Last updated on September 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Illinois to Colorado Springs flights
Consider these flights traveling from Illinois to Colorado Springs.
Top 4 airlines flying from Illinois to Colorado Springs
Discover the top 4 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 7,457,451 searches. Data last updated September 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$211 | Average$402 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$246 | Average$467 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$294 | Average$398 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$356 | Average$450 | FlexibilityNo cancel fee | On-time63% |