$102+ Cheap flights from Chicago (CHI) to Colorado
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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DEN
Sep 3 — Sep 101
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
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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 August 4, 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 August 4, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:10 pm -
1 stop10h 18m
Mon 8/317:00 am -
1 stop22h 17m
Deal found 7/30![Frontier logo]()
$156
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/151:52 pm -
1 stop7h 12m
Tue 10/207:00 am -
1 stop12h 25m
Deal found 7/30![Frontier logo]()
$158
This Priceline deal was found by Cheapflights users on 7/31. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:26 pm -
1 stop10h 02m
Mon 8/3110:43 am -
1 stop11h 04m
Deal found 7/31![Frontier logo]()
$158
This Frontier deal was found by Cheapflights users on 7/31. 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 9/148:55 pm -
1 stop14h 12m
Tue 9/226:38 pm -
1 stop10h 00m
Deal found 7/31![Frontier logo]()
$159
This Frontier deal was found by Cheapflights users on 7/31. 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 9/1412:54 pm -
1 stop9h 55m
Tue 9/2210:44 am -
1 stop6h 02m
Deal found 7/31![Frontier logo]()
$159
This Frontier deal was found by Cheapflights users on 7/31. 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 9/142:46 pm -
1 stop10h 29m
Mon 9/216:30 am -
1 stop12h 05m
Deal found 7/31![Frontier logo]()
$160
This FlightHub deal was found by Cheapflights users on 8/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:10 pm -
1 stop11h 57m
Wed 9/98:55 pm -
Nonstop2h 28m
Deal found 8/3![Frontier logo]()
$162
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:06 am -
Nonstop2h 54m
Mon 10/199:19 am -
1 stop13h 36m
Deal found 7/30![Frontier logo]()
$163
This Frontier deal was found by Cheapflights users on 7/31. 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.
Thu 10/156:05 am -
1 stop7h 19m
Mon 10/196:25 am -
Nonstop2h 36m
Deal found 7/31![Frontier logo]()
$164
This Cheapflightsfares deal was found by Cheapflights users on 8/1. 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 10/16:30 am -
Nonstop2h 45m
Sun 10/48:55 pm -
Nonstop2h 28m
Deal found 8/1![Frontier logo]()
$165
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:10 pm -
1 stop11h 57m
Wed 9/97:12 pm -
1 stop26h 47m
Deal found 7/30![Frontier logo]()
$166
This Cheapflightsfares deal was found by Cheapflights users on 8/1. 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 8/212:41 pm -
Nonstop3h 04m
Mon 8/249:55 am -
Nonstop2h 41m
Deal found 8/1![Frontier logo]()
$167
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 August 4, 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 August 4, 2026.
This Southwest deal was found by Cheapflights users on 7/30. 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.
Wed 9/911:10 am -
1 stop4h 50m
Wed 9/166:30 am -
Nonstop2h 20m
Deal found 7/30![Southwest logo]()
$219
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/282:42 pm -
Nonstop2h 52m
Mon 8/317:10 pm -
Nonstop2h 36m
Deal found 7/30![United Airlines logo]()
$235
This Delta deal was found by Cheapflights users on 7/31. 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 9/119:29 am -
1 stop5h 28m
Wed 9/1610:55 am -
1 stop6h 38m
Deal found 7/31![Delta logo]()
$245
This KAYAK deal was found by Cheapflights users on 8/3. 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 8/316:45 am -
Nonstop2h 40m
Wed 9/210:43 am -
1 stop7h 59m
Deal found 8/3![American Airlines logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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 10/172:21 pm -
1 stop8h 51m
Tue 10/209:45 am -
2 stops18h 55m
Deal found 8/1![Alaska Airlines logo]()
$373
This Southwest deal was found by Cheapflights users on 8/1. 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 9/510:15 am -
1 stop3h 50m
Mon 9/75:00 am -
Nonstop2h 25m
Deal found 8/1![Southwest logo]()
$231
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 8/265:00 am -
Nonstop2h 39m
Fri 8/287:45 am -
Nonstop2h 43m
Deal found 7/30![United Airlines logo]()
$235
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:15 pm -
Nonstop2h 35m
Fri 8/288:25 pm -
Nonstop2h 20m
Deal found 7/30![Southwest logo]()
$235
This United Airlines deal was found by Cheapflights users on 8/1. 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 8/277:00 am -
Nonstop2h 52m
Mon 8/316:00 am -
Nonstop2h 43m
Deal found 8/1![United Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 7/31. 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 8/288:48 am -
1 stop5h 57m
Wed 9/210:19 am -
1 stop4h 58m
Deal found 7/31![Delta logo]()
$267
This Southwest deal was found by Cheapflights users on 7/31. 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.
Mon 9/148:15 pm -
Nonstop2h 35m
Tue 9/226:30 am -
Nonstop2h 20m
Deal found 7/31![Southwest logo]()
$237
This United Airlines deal was found by Cheapflights users on 8/1. 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 10/1510:00 pm -
Nonstop2h 54m
Sun 10/258:25 pm -
Nonstop2h 34m
Deal found 8/1![United Airlines logo]()
$256
This Delta deal was found by Cheapflights users on 8/3. 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 10/212:03 pm -
1 stop9h 19m
Mon 10/266:07 pm -
2 stops14h 18m
Deal found 8/3![Delta logo]()
$286
This Southwest deal was found by Cheapflights users on 7/31. 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 40m
Mon 10/266:55 pm -
Nonstop2h 20m
Deal found 7/31![Southwest logo]()
$237
This Delta deal was found by Cheapflights users on 8/2. 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 8/259:24 am -
2 stops13h 14m
Tue 9/16:00 am -
2 stops9h 59m
Deal found 8/2![Delta logo]()
$292
This Southwest deal was found by Cheapflights users on 8/1. 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 8/225:05 pm -
Nonstop2h 40m
Tue 8/251:55 pm -
1 stop4h 30m
Deal found 8/1![Southwest logo]()
$243
This United Airlines deal was found by Cheapflights users on 8/2. 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 10/109:03 am -
Nonstop2h 52m
Mon 10/1211:57 am -
Nonstop2h 45m
Deal found 8/2![United Airlines logo]()
$285
This Southwest deal was found by Cheapflights users on 8/3. 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 9/36:45 am -
Nonstop2h 30m
Wed 9/911:15 am -
1 stop3h 50m
Deal found 8/3![Southwest logo]()
$243
This Southwest deal was found by Cheapflights users on 7/31. 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 9/91:55 pm -
2 stops7h 00m
Fri 9/119:00 am -
1 stop4h 35m
Deal found 7/31![Southwest logo]()
$246
This KAYAK deal was found by Cheapflights users on 8/3. 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 8/318:48 am -
1 stop5h 57m
Wed 9/26:05 am -
1 stop6h 03m
Deal found 8/3![Delta logo]()
$331
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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.
Fri 10/95:46 pm -
2 stops18h 46m
Mon 10/1212:31 pm -
1 stop10h 28m
Deal found 8/2![Alaska Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 7/31. 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 8/299:15 am -
Nonstop3h 33m
Sat 9/53:24 pm -
1 stop5h 35m
Deal found 7/31![United Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 9/105:00 am -
1 stop5h 41m
Sun 9/133:42 pm -
1 stop7h 32m
Deal found 7/30![American Airlines logo]()
$454
This Southwest deal was found by Cheapflights users on 8/4. 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 9/188:15 pm -
Nonstop2h 35m
Thu 9/248:25 pm -
Nonstop2h 25m
Deal found 8/4![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 7/31. 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 8/294:45 pm -
1 stop6h 11m
Sat 9/57:41 am -
2 stops9h 00m
Deal found 7/31![Delta logo]()
$334
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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.
Thu 9/108:00 am -
2 stops16h 44m
Sun 9/136:17 am -
1 stop16h 42m
Deal found 8/2![Alaska Airlines logo]()
$451
This United Airlines deal was found by Cheapflights users on 8/3. 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 9/45:00 am -
1 stop4h 40m
Sun 9/66:00 am -
1 stop4h 28m
Deal found 8/3![United Airlines logo]()
$310
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Tue 10/2010:40 pm -
2 stops21h 19m
Sat 10/247:53 am -
1 stop6h 07m
Deal found 7/30![American Airlines logo]()
$461
This Southwest deal was found by Cheapflights users on 8/1. 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 9/115:00 pm -
1 stop3h 50m
Mon 9/1411:05 am -
1 stop5h 05m
Deal found 8/1![Southwest logo]()
$250
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/127:00 am -
1 stop6h 28m
Sat 9/191:30 pm -
1 stop5h 16m
Deal found 7/31![United Airlines logo]()
$319
Last-minute flights from Chicago to ColoradoDiscover last-minute flight deals from Chicago to Colorado. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Colorado. Data last updated August 4, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:10 pm -
1 stop10h 18m
Mon 8/317:00 am -
1 stop22h 17m
Deal found 7/30![Frontier logo]()
$156
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:26 pm -
1 stop10h 02m
Mon 8/3110:09 am -
1 stop9h 22m
Deal found 7/30![Frontier logo]()
$158
This Expedia deal was found by Cheapflights users on 7/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:10 pm -
1 stop10h 18m
Wed 9/211:59 pm -
1 stop6h 54m
Deal found 7/30![Frontier logo]()
$158
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:41 pm -
Nonstop3h 04m
Wed 9/210:43 am -
1 stop8h 25m
Deal found 7/30![Frontier logo]()
$163
This Booking.com deal was found by Cheapflights users on 8/1. 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.
Mon 8/318:11 pm -
1 stop8h 37m
Mon 9/710:45 pm -
1 stop18h 36m
Deal found 8/1![Frontier logo]()
$164
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:10 pm -
1 stop11h 57m
Wed 9/97:12 pm -
1 stop26h 47m
Deal found 7/30![Frontier logo]()
$166
This FlightHub deal was found by Cheapflights users on 8/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:10 pm -
1 stop11h 57m
Wed 9/98:55 pm -
Nonstop2h 28m
Deal found 8/3![Frontier logo]()
$162
This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:54 pm -
1 stop9h 55m
Mon 9/1410:44 am -
1 stop6h 07m
Deal found 7/31![Frontier logo]()
$167
This Frontier deal was found by Cheapflights users on 7/31. 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 9/1412:54 pm -
1 stop9h 55m
Tue 9/2210:44 am -
1 stop6h 02m
Deal found 7/31![Frontier logo]()
$159
This Frontier deal was found by Cheapflights users on 7/31. 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 9/148:55 pm -
1 stop14h 12m
Tue 9/226:38 pm -
1 stop10h 00m
Deal found 7/31![Frontier logo]()
$159
This Frontier deal was found by Cheapflights users on 7/31. 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 9/145:55 am -
1 stop7h 04m
Mon 9/216:30 am -
1 stop12h 05m
Deal found 7/31![Frontier logo]()
$160
This Super.com deal was found by Cheapflights users on 8/1. 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.
Wed 9/166:30 am -
Nonstop2h 45m
Sun 9/208:55 pm -
Nonstop2h 28m
Deal found 8/1![Frontier logo]()
$165
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 August 4, 2026.
Search for one-way flight options from Chicago to Colorado. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This Super.com deal was found by Cheapflights users on 8/1. 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 9/411:50 am -
1 stop11h 20m
Deal found 8/1![Frontier logo]()
$102
This Super.com deal was found by Cheapflights users on 8/2. 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.
Sun 10/412:54 pm -
1 stop9h 55m
Deal found 8/2![Frontier logo]()
$103
This Frontier deal was found by Cheapflights users on 8/2. 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.
Thu 9/311:50 am -
1 stop11h 15m
Deal found 8/2![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Fri 10/302:03 pm -
1 stop9h 30m
Deal found 7/30![Frontier logo]()
$104
This Trip.com deal was found by Cheapflights users on 7/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:54 pm -
1 stop9h 55m
Deal found 7/30![Frontier logo]()
$105
This Southwest deal was found by Cheapflights users on 7/31. 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 9/56:00 pm -
Nonstop2h 45m
Deal found 7/31![Southwest logo]()
$107
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 9/310:15 pm -
Nonstop2h 44m
Deal found 7/30![American Airlines logo]()
$107
This Cheapflightsfares deal was found by Cheapflights users on 7/31. 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 9/35:46 pm -
1 stop7h 17m
Deal found 7/31![Frontier logo]()
$108
This Cheapflightsfares deal was found by Cheapflights users on 8/3. 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.
Mon 8/312:41 pm -
Nonstop3h 04m
Deal found 8/3![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Mon 8/247:05 am -
2 stops17h 09m
Deal found 7/30![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/87:05 am -
2 stops17h 09m
Deal found 8/2![Frontier logo]()
$115
This Super.com deal was found by Cheapflights users on 8/3. 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.
Sun 8/306:05 am -
1 stop8h 56m
Deal found 8/3![Frontier logo]()
$116
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 August 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $156 (Cheapflightsfares) |
One-way from | $102 (Super.com) |
Popular in | July |
Cheapest in | October |
Average price | $246 |
Good round-trip deal | $227 or less |
Good one-way deal | $148 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 2,558,603 searches. Data last updated August 4, 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 - DEN
MDWDEN
Chicago Midway
Wed 9/9
11:10 am-3:00 pm
1 stop4h 50m
Denver Intl
Wed 9/16
6:30 am-9:50 am
Nonstop2h 20m
$219
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
Sat 9/5
10:15 am-1:05 pm
1 stop3h 50m
Denver Intl
Mon 9/7
5:00 am-8:25 am
Nonstop2h 25m
$231
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
Fri 8/28
2:42 pm-4:34 pm
Nonstop2h 52m
Denver Intl
Mon 8/31
7:10 pm-10:46 pm
Nonstop2h 36m
$235
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
Wed 8/26
5:00 am-6:39 am
Nonstop2h 39m
Denver Intl
Fri 8/28
7:45 am-11:28 am
Nonstop2h 43m
$235
Quickest round-trip
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
Thu 8/20
8:15 pm-9:50 pm
Nonstop2h 35m
Denver Intl
Fri 8/28
8:25 pm-11:45 pm
Nonstop2h 20m
$235
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
Thu 8/27
7:00 am-8:52 am
Nonstop2h 52m
Denver Intl
Mon 8/31
6:00 am-9:43 am
Nonstop2h 43m
$237
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
Mon 9/14
8:15 pm-9:50 pm
Nonstop2h 35m
Denver Intl
Tue 9/22
6:30 am-9:50 am
Nonstop2h 20m
$237
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
Thu 10/22
9:20 pm-11:00 pm
Nonstop2h 40m
Denver Intl
Mon 10/26
6:55 pm-10:15 pm
Nonstop2h 20m
$237
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
Sat 8/22
5:05 pm-6:45 pm
Nonstop2h 40m
Denver Intl
Tue 8/25
1:55 pm-7:25 pm
1 stop4h 30m
$243
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
Thu 9/3
6:45 am-8:15 am
Nonstop2h 30m
Denver Intl
Wed 9/9
11:15 am-4:05 pm
1 stop3h 50m
$243
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.
MDW-DEN
ORD-DEN
ORD-ASE
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
MDW-DEN
ORD-DEN
ORD-ASE
ORD-COS
What is the cheapest month to book a flight from Chicago to Colorado?
Currently, October is the cheapest month in which you can book a flight from Chicago to Colorado (average of $221). Flying from Chicago to Colorado in June is currently the most expensive (average of $331). 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 August 4, 2026.
It’s typically best to fly out from Chicago to Colorado at noon. Doing so could potentially save you 13% 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 August 4, 2026.
The most flights from CHI to USCO are scheduled on a Monday (77 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 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 $183 and $309 in August.The cheapest round-trip price found within the last 5 days was $156 on Frontier (Aug 27-Sep 2).
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 August 1, 2026.
Travelers seeking maximum savings on their Chicago to Colorado flight should consider departing on Saturday 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 August 4, 2026.
Get a feel of what it's like to fly with Southwest,United Airlines, andJetBlue 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.
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
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 August 4, 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 2,558,603 searches. Data last updated August 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$178 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$105 | Average$284 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$145 | Average$223 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$151 | Average$349 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$156 | Average$384 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$168 | Average$411 | FlexibilityNo cancel fee | On-time69% |