$92+ Cheap flights from Chicago (CHI) to Colorado
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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DEN
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Colorado 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 Chicago to Colorado
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Cheapest flights from Chicago to ColoradoExplore the most affordable flight options available from Chicago to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Chicago to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:30 am -
Nonstop2h 56m
Sun 11/158:55 pm -
Nonstop2h 26m
Deal found 9/12![Frontier logo]()
$145
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:30 am -
Nonstop2h 49m
Tue 10/208:55 pm -
Nonstop2h 29m
Deal found 9/12![Frontier logo]()
$161
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:30 am -
Nonstop2h 45m
Sun 10/118:55 pm -
Nonstop2h 29m
Deal found 9/14![Frontier logo]()
$162
This Expedia deal was found by Cheapflights users on 9/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:13 pm -
1 stop13h 09m
Mon 11/28:55 pm -
Nonstop2h 26m
Deal found 9/16![Frontier logo]()
$164
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:30 am -
Nonstop2h 49m
Sun 10/258:55 pm -
Nonstop2h 29m
Deal found 9/15![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Thu 10/156:30 am -
Nonstop2h 49m
Tue 10/208:55 pm -
Nonstop2h 29m
Deal found 9/15![Frontier logo]()
$166
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:30 am -
Nonstop2h 49m
Mon 10/268:55 pm -
Nonstop2h 29m
Deal found 9/14![Frontier logo]()
$167
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:21 pm -
1 stop11h 22m
Tue 10/1310:55 pm -
1 stop30h 39m
Deal found 9/16![Frontier logo]()
$168
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:01 pm -
1 stop14h 29m
Tue 10/138:55 pm -
Nonstop2h 29m
Deal found 9/16![Frontier logo]()
$169
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:27 pm -
1 stop10h 15m
Wed 11/410:43 am -
1 stop12h 04m
Deal found 9/16![Frontier logo]()
$170
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:30 pm -
1 stop7h 19m
Mon 10/2610:38 am -
1 stop12h 05m
Deal found 9/16![Frontier logo]()
$173
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:12 pm -
1 stop9h 37m
Mon 11/210:41 am -
1 stop6h 06m
Deal found 9/16![Frontier logo]()
$176
Best flights from Chicago to ColoradoDiscover carefully curated flight deals from Chicago to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Chicago to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Southwest deal was found by Cheapflights users on 9/16. 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 10/229:20 pm -
Nonstop2h 45m
Tue 10/277:50 pm -
Nonstop2h 25m
Deal found 9/16![Southwest logo]()
$202
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/75:00 am -
Nonstop2h 39m
Mon 10/126:00 am -
Nonstop2h 43m
Deal found 9/15![United Airlines logo]()
$202
This Delta deal was found by Cheapflights users on 9/14. 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.
Sun 12/138:39 am -
1 stop7h 29m
Wed 12/1611:13 am -
1 stop4h 30m
Deal found 9/14![Delta logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Tue 10/1312:37 pm -
1 stop10h 12m
Sun 10/1810:44 pm -
2 stops14h 41m
Deal found 9/16![Frontier logo]()
$385
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/125:00 am -
Nonstop2h 39m
Wed 10/148:29 pm -
Nonstop2h 30m
Deal found 9/15![United Airlines logo]()
$202
This American Airlines deal was found by Cheapflights users on 9/12. 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 9/215:00 am -
1 stop7h 27m
Mon 9/284:41 pm -
1 stop6h 33m
Deal found 9/12![American Airlines logo]()
$444
This Southwest deal was found by Cheapflights users on 9/16. 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 11/41:20 pm -
1 stop5h 05m
Fri 11/64:20 pm -
1 stop5h 25m
Deal found 9/16![Southwest logo]()
$230
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/156:00 am -
Nonstop2h 39m
Mon 10/196:00 am -
Nonstop2h 43m
Deal found 9/15![United Airlines logo]()
$215
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:20 am -
2 stops12h 05m
Wed 10/149:45 am -
1 stop8h 08m
Deal found 9/16![Alaska Airlines logo]()
$504
This Southwest deal was found by Cheapflights users on 9/15. 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 10/232:10 pm -
1 stop4h 35m
Mon 10/265:55 pm -
Nonstop2h 20m
Deal found 9/15![Southwest logo]()
$238
This Delta deal was found by Cheapflights users on 9/16. 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 10/292:03 pm -
1 stop9h 19m
Tue 11/38:17 am -
2 stops11h 13m
Deal found 9/16![Delta logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Fri 10/168:01 pm -
2 stops41h 29m
Sun 10/251:10 pm -
1 stop15h 06m
Deal found 9/14![Multiple Airlines logo]()
$580
This Southwest deal was found by Cheapflights users on 9/16. 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 10/811:50 am -
1 stop3h 50m
Tue 10/1311:00 am -
1 stop4h 05m
Deal found 9/16![Southwest logo]()
$246
This Southwest deal was found by Cheapflights users on 9/15. 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 12/910:15 am -
1 stop4h 30m
Tue 12/295:05 am -
Nonstop2h 15m
Deal found 9/15![Southwest logo]()
$248
This Delta deal was found by Cheapflights users on 9/16. 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 10/610:59 am -
2 stops12h 23m
Sat 10/101:26 pm -
1 stop8h 07m
Deal found 9/16![Delta logo]()
$302
This Southwest deal was found by Cheapflights users on 9/15. 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 10/217:40 am -
Nonstop2h 35m
Sun 10/256:25 am -
Nonstop2h 20m
Deal found 9/15![Southwest logo]()
$252
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/95:00 am -
Nonstop2h 39m
Sun 10/117:10 pm -
Nonstop2h 36m
Deal found 9/16![United Airlines logo]()
$316
This Delta deal was found by Cheapflights users on 9/16. 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 12/45:30 am -
1 stop8h 03m
Mon 12/78:00 am -
1 stop9h 06m
Deal found 9/16![Delta logo]()
$321
This Southwest deal was found by Cheapflights users on 9/15. 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 10/136:05 am -
1 stop6h 55m
Tue 10/2012:40 pm -
Nonstop2h 20m
Deal found 9/15![Southwest logo]()
$255
This Delta deal was found by Cheapflights users on 9/16. 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 12/46:00 am -
1 stop7h 33m
Mon 12/71:40 pm -
1 stop8h 15m
Deal found 9/16![Delta logo]()
$321
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/37:50 pm -
Nonstop3h 07m
Sun 11/88:09 am -
Nonstop2h 47m
Deal found 9/15![United Airlines logo]()
$323
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/1510:30 pm -
2 stops14h 53m
Thu 10/221:14 pm -
1 stop6h 24m
Deal found 9/16![American Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 9/12. 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 10/216:20 am -
1 stop6h 44m
Thu 10/2212:59 am -
1 stop5h 42m
Deal found 9/12![Delta logo]()
$325
This Southwest deal was found by Cheapflights users on 9/16. 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
Tue 11/31:40 pm -
1 stop8h 25m
Deal found 9/16![Southwest logo]()
$274
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Sun 11/157:00 am -
1 stop6h 33m
Mon 11/231:35 pm -
1 stop5h 30m
Deal found 9/12![United Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 9/16. 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 12/35:30 am -
2 stops12h 53m
Mon 12/78:00 am -
2 stops11h 15m
Deal found 9/16![Delta logo]()
$331
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/165:00 am -
1 stop5h 37m
Mon 10/265:55 pm -
1 stop5h 04m
Deal found 9/14![United Airlines logo]()
$338
This KAYAK deal was found by Cheapflights users on 9/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:00 pm -
1 stop5h 38m
Thu 9/245:30 am -
1 stop6h 24m
Deal found 9/14![American Airlines logo]()
$514
This Southwest deal was found by Cheapflights users on 9/14. 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 11/135:20 pm -
1 stop3h 45m
Sun 11/158:40 pm -
Nonstop2h 15m
Deal found 9/14![Southwest logo]()
$292
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/146:00 am -
1 stop4h 37m
Wed 10/216:00 pm -
1 stop4h 59m
Deal found 9/14![United Airlines logo]()
$338
Last-minute flights from Chicago to ColoradoDiscover last-minute flight deals from Chicago to Colorado. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Colorado. Data last updated September 17, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:21 pm -
1 stop11h 22m
Tue 10/1310:55 pm -
1 stop30h 39m
Deal found 9/16![Frontier logo]()
$168
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:30 am -
Nonstop2h 45m
Sun 10/118:55 pm -
Nonstop2h 29m
Deal found 9/14![Frontier logo]()
$162
This Super.com deal was found by Cheapflights users on 9/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:30 am -
Nonstop2h 49m
Tue 10/138:55 pm -
Nonstop2h 29m
Deal found 9/16![Frontier logo]()
$172
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:01 pm -
1 stop14h 29m
Tue 10/138:55 pm -
Nonstop2h 29m
Deal found 9/16![Frontier logo]()
$169
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:30 am -
Nonstop2h 49m
Tue 10/208:55 pm -
Nonstop2h 29m
Deal found 9/12![Frontier logo]()
$161
This Expedia deal was found by Cheapflights users on 9/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:01 pm -
1 stop14h 29m
Sat 10/176:05 am -
1 stop12h 02m
Deal found 9/16![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Thu 10/156:30 am -
Nonstop2h 49m
Tue 10/208:55 pm -
Nonstop2h 29m
Deal found 9/15![Frontier logo]()
$166
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:30 am -
Nonstop2h 49m
Sun 10/258:55 pm -
Nonstop2h 29m
Deal found 9/15![Frontier logo]()
$165
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:30 am -
Nonstop2h 49m
Mon 10/268:55 pm -
Nonstop2h 29m
Deal found 9/14![Frontier logo]()
$167
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:30 pm -
1 stop7h 19m
Mon 10/2610:38 am -
1 stop12h 05m
Deal found 9/16![Frontier logo]()
$173
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:27 pm -
1 stop10h 15m
Wed 11/410:43 am -
1 stop12h 04m
Deal found 9/16![Frontier logo]()
$170
This Expedia deal was found by Cheapflights users on 9/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:13 pm -
1 stop13h 09m
Mon 11/28:55 pm -
Nonstop2h 26m
Deal found 9/16![Frontier logo]()
$164
One-way flights from Chicago to ColoradoSearch for one-way flight options from Chicago to Colorado. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Chicago to Colorado. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Super.com deal was found by Cheapflights users on 9/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:28 pm -
1 stop13h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$92
This Super.com deal was found by Cheapflights users on 9/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:20 pm -
1 stop10h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$93
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:30 am -
Nonstop2h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$94
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/148:07 pm -
1 stop13h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$94
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/1010:00 pm -
Nonstop2h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![United Airlines logo]()
$95
This Southwest deal was found by Cheapflights users on 9/15. 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 10/147:40 am -
Nonstop2h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Southwest logo]()
$95
This Super.com deal was found by Cheapflights users on 9/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:30 am -
Nonstop2h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$97
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:30 am -
Nonstop2h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$99
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:30 am -
Nonstop2h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$100
This Southwest deal was found by Cheapflights users on 9/14. 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.
Sat 10/246:35 am -
1 stop5h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$100
This Frontier deal was found by Cheapflights users on 9/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:30 am -
Nonstop2h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$103
This Delta deal was found by Cheapflights users on 9/16. 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 12/126:20 am -
1 stop7h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Delta logo]()
$105
Find flight deals from Chicago to Colorado
Keep the following information in mind while searching for Chicago to Colorado flight deals. Data was last updated September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $145 (Cheapflightsfares) |
One-way from | $92 (Super.com) |
Popular in | July |
Cheapest in | January |
Average price | $274 |
Good round-trip deal | $245 or less |
Good one-way deal | $144 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to Colorado 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 17, 2026.
Use the filters below to find and compare flights from Chicago to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoDenver
MDW Chicago Midway - DEN Denver Intl
MDWDEN
Chicago Midway
Wed 11/4
10:15 am-1:45 pm
1 stop4h 30m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$100
ChicagoDenver
ORD Chicago O'Hare Intl - DEN Denver Intl
ORDDEN
Chicago O'Hare Intl
Tue 12/15
6:20 am-10:08 am
1 stop4h 48m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$105
ChicagoDenver
MDW Chicago Midway - DEN Denver Intl
MDWDEN
Chicago Midway
Wed 10/14
6:00 am-10:10 am
1 stop5h 10m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$105
ChicagoDenver
MDW Chicago Midway - DEN Denver Intl
MDWDEN
Chicago Midway
Tue 12/1
11:30 am-4:00 pm
1 stop5h 30m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$105
ChicagoDenver
MDW Chicago Midway - DEN Denver Intl
MDWDEN
Chicago Midway
Mon 10/5
9:20 pm-11:05 pm
Nonstop2h 45m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$108
ChicagoDenver
MDW Chicago Midway - DEN Denver Intl
MDWDEN
Chicago Midway
Mon 10/26
9:20 pm-11:05 pm
Nonstop2h 45m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$115
ChicagoDenver
MDW Chicago Midway - DEN Denver Intl
MDWDEN
Chicago Midway
Mon 11/16
5:29 pm-11:34 pm
1 stop7h 05m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$118
Quickest round-trip
ChicagoDenver
ORD Chicago O'Hare Intl - DEN Denver Intl
ORDDEN
Chicago O'Hare Intl
Fri 10/9
5:00 am-6:39 am
Nonstop2h 39m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$121
ChicagoDenver
MDW Chicago Midway - DEN Denver Intl
MDWDEN
Chicago Midway
Fri 11/13
10:40 am-12:25 pm
Nonstop2h 45m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
ChicagoColorado Springs
ORD Chicago O'Hare Intl - COS Colorado Springs
ORDCOS
Chicago O'Hare Intl
Sat 10/10
9:03 am-10:55 am
Nonstop2h 52m
Colorado Springs
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$133
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Chicago to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Chicago with our price prediction graph.
ORD-DEN
MDW-DEN
ORD-GJT
ORD-COS
MDW-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 Chicago to Colorado
CHI-USCO
ORD-DEN
MDW-DEN
ORD-GJT
ORD-COS
What is the cheapest month to book a flight from Chicago to Colorado?
Currently, November is the cheapest month in which you can book a flight from Chicago to Colorado (average of $243). Flying from Chicago to Colorado in June is currently the most expensive (average of $332). 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 CHI to CO?
Find hourly flight availability from Chicago to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2026.
It’s typically best to fly out from Chicago to Colorado at noon. Doing so could potentially save you 14% on the flight price compared to flying in the evening, which is usually more expensive.
Weekly flight availability from Chicago to Colorado
Explore weekly flight availability from Chicago to Colorado. 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 17, 2026.
The most flights from CHI to USCO are scheduled on a Tuesday (86 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (57 on average).
How much does it cost to fly round-trip from Chicago to Colorado?
Airfare is below average for this route at the moment.
Chicago to Colorado flights typically cost between $214 and $350 in November.The cheapest round-trip price found within the last 5 days was $145 on Frontier (Nov 13-Nov 15).
How far ahead should I book a flight from Chicago to Colorado?
The best time to book flights from Chicago to Colorado is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from Chicago to Colorado?
Use this chart to determine the cheapest time to fly round-trip from Chicago to Colorado. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their Chicago to Colorado flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Colorado
Get insights into the airlines that provide service to Colorado. 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. Reviews last updated September 17, 2026.
Get a feel of what it's like to fly with Southwest,United Airlines, andAmerican Airlines from Chicago to Colorado by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Chicago to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Chicago to Colorado
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Colorado by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Chicago to Colorado by cabin class
Find flights from Chicago to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Chicago and Colorado flights
Browse other Chicago and Colorado flight options. Last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Chicago to Colorado flights
Consider these flights traveling from Chicago to Colorado.
Top 6 airlines flying from Chicago to Colorado
Discover the top 6 airlines that operate flights from Chicago to Colorado. 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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$71 | Average$185 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$105 | Average$358 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$145 | Average$223 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$147 | Average$356 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$156 | Average$390 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$173 | Average$420 | FlexibilityNo cancel fee | On-time69% |