$107+ Cheap flights from Colorado to O'Hare Intl (ORD)
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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ORD
Oct 6 — Oct 131
Round-trip
1 adult, Economy
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Find cheap flights from Colorado to O'Hare Intl 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 Colorado to O'Hare IntlExplore the most affordable flight options available from Colorado to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 6, 2026.
Explore the most affordable flight options available from Colorado to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 6, 2026.
This Super.com deal was found by Cheapflights users on 9/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:55 pm -
Nonstop2h 26m
Mon 11/96:30 am -
Nonstop2h 56m
Deal found 9/4![Frontier logo]()
$162
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:55 pm -
Nonstop2h 28m
Tue 9/291:21 pm -
1 stop24h 30m
Deal found 9/2![Frontier logo]()
$163
This Frontier deal was found by Cheapflights users on 9/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:55 pm -
Nonstop2h 28m
Thu 10/16:30 am -
Nonstop2h 45m
Deal found 9/1![Frontier logo]()
$164
This Travelocity deal was found by Cheapflights users on 9/1. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:55 pm -
Nonstop2h 29m
Mon 10/128:11 pm -
1 stop12h 56m
Deal found 9/1![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Fri 10/238:55 pm -
Nonstop2h 29m
Tue 10/276:30 am -
Nonstop2h 56m
Deal found 9/2![Frontier logo]()
$166
This Frontier deal was found by Cheapflights users on 9/2. 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 12/33:48 pm -
Nonstop2h 34m
Sat 12/512:36 pm -
1 stop11h 24m
Deal found 9/2![Frontier logo]()
$167
This Frontier deal was found by Cheapflights users on 9/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/188:55 pm -
Nonstop2h 29m
Tue 10/276:30 am -
Nonstop2h 56m
Deal found 9/1![Frontier logo]()
$168
This Frontier deal was found by Cheapflights users on 9/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:55 pm -
Nonstop2h 28m
Wed 9/307:28 pm -
1 stop13h 36m
Deal found 9/1![Frontier logo]()
$169
This Frontier deal was found by Cheapflights users on 9/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:55 pm -
Nonstop2h 28m
Tue 10/66:30 am -
Nonstop2h 45m
Deal found 9/1![Frontier logo]()
$170
This Cheapflightsfares deal was found by Cheapflights users on 9/5. 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 10/16:09 am -
1 stop14h 30m
Sun 10/46:30 am -
Nonstop2h 45m
Deal found 9/5![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Fri 10/168:55 pm -
Nonstop2h 29m
Tue 10/206:30 am -
Nonstop2h 49m
Deal found 9/2![Frontier logo]()
$172
This Cheapflightsfares deal was found by Cheapflights users on 9/3. 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.
Fri 11/68:55 pm -
Nonstop2h 26m
Sun 11/86:30 am -
Nonstop2h 56m
Deal found 9/3![Frontier logo]()
$173
Best flights from Colorado to O'Hare IntlDiscover carefully curated flight deals from Colorado to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 6, 2026.
Discover carefully curated flight deals from Colorado to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 6, 2026.
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Sat 10/2411:57 am -
Nonstop2h 45m
Sat 10/317:50 pm -
Nonstop3h 07m
Deal found 9/1![United Airlines logo]()
$293
This Sun Country Air deal was found by Cheapflights users on 9/4. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/165:35 pm -
1 stop16h 08m
Wed 12/3011:40 am -
1 stop6h 57m
Deal found 9/4![Sun Country Air logo]()
$315
This Delta deal was found by Cheapflights users on 9/5. 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 10/256:20 am -
1 stop5h 39m
Sat 10/3110:55 am -
1 stop7h 37m
Deal found 9/5![Delta logo]()
$326
This American Airlines deal was found by Cheapflights users on 9/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:48 pm -
1 stop9h 12m
Tue 11/105:00 am -
1 stop7h 28m
Deal found 9/1![American Airlines logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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 10/27:08 pm -
2 stops10h 12m
Wed 10/79:00 am -
2 stops14h 12m
Deal found 9/5![Alaska Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Sat 10/1711:57 am -
Nonstop2h 45m
Tue 10/209:03 am -
Nonstop2h 52m
Deal found 9/1![United Airlines logo]()
$293
This Sun Country Air deal was found by Cheapflights users on 9/5. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:00 am -
1 stop7h 14m
Sun 11/17:30 am -
1 stop10h 59m
Deal found 9/5![Sun Country Air logo]()
$325
This United Airlines deal was found by Cheapflights users on 9/2. 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 11/75:10 pm -
1 stop5h 49m
Tue 11/108:55 am -
Nonstop3h 20m
Deal found 9/2![United Airlines logo]()
$303
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Sat 9/2611:57 am -
Nonstop2h 45m
Mon 9/285:51 pm -
1 stop5h 15m
Deal found 9/1![United Airlines logo]()
$303
This American Airlines deal was found by Cheapflights users on 9/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/194:41 pm -
1 stop6h 33m
Wed 9/233:50 pm -
1 stop7h 07m
Deal found 9/4![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 9/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:15 pm -
2 stops9h 42m
Tue 11/107:35 am -
1 stop6h 04m
Deal found 9/1![Delta logo]()
$384
This Sun Country Air deal was found by Cheapflights users on 9/2. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/245:47 pm -
1 stop15h 36m
Sun 12/278:10 pm -
1 stop14h 23m
Deal found 9/2![Sun Country Air logo]()
$365
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/155:00 pm -
1 stop5h 59m
Sun 10/185:00 am -
1 stop7h 31m
Deal found 9/5![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 9/5. 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 11/76:00 am -
2 stops9h 41m
Tue 11/108:29 am -
2 stops13h 21m
Deal found 9/5![Delta logo]()
$403
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 10/13:14 pm -
1 stop5h 38m
Mon 10/52:30 pm -
1 stop6h 51m
Deal found 9/3![United Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 9/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:48 pm -
Nonstop3h 17m
Mon 10/2610:00 am -
Nonstop3h 16m
Deal found 9/2![American Airlines logo]()
$393
This Alaska Airlines deal was found by Cheapflights users on 9/1. 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.
Fri 10/166:59 pm -
1 stop17h 26m
Fri 10/232:14 pm -
2 stops22h 18m
Deal found 9/1![Alaska Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Mon 12/287:10 am -
1 stop6h 45m
Fri 1/13:40 pm -
1 stop5h 54m
Deal found 9/2![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 9/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:00 am -
2 stops13h 17m
Thu 11/267:05 am -
2 stops11h 23m
Deal found 9/4![Delta logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 9/2. 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 12/48:20 am -
1 stop28h 34m
Tue 12/88:00 am -
2 stops16h 51m
Deal found 9/2![Alaska Airlines logo]()
$488
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Wed 2/241:35 pm -
1 stop5h 08m
Sun 2/286:00 am -
1 stop7h 41m
Deal found 9/2![United Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 9/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:30 am -
1 stop7h 46m
Sun 10/112:50 pm -
1 stop6h 31m
Deal found 9/1![American Airlines logo]()
$413
This Delta deal was found by Cheapflights users on 9/3. 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.
Thu 10/296:00 am -
2 stops9h 32m
Sun 11/17:00 am -
2 stops11h 27m
Deal found 9/3![Delta logo]()
$435
This Alaska Airlines deal was found by Cheapflights users on 9/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:59 pm -
1 stop16h 18m
Mon 11/97:57 pm -
2 stops19h 30m
Deal found 9/3![Alaska Airlines logo]()
$508
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Tue 9/221:40 pm -
1 stop6h 50m
Mon 9/285:00 am -
1 stop4h 49m
Deal found 9/3![United Airlines logo]()
$354
This KAYAK deal was found by Cheapflights users on 9/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:07 am -
Nonstop2h 49m
Thu 9/249:45 am -
Nonstop2h 50m
Deal found 9/4![American Airlines logo]()
$447
This Delta deal was found by Cheapflights users on 9/3. 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.
Fri 10/28:15 am -
2 stops11h 15m
Mon 10/56:40 am -
1 stop6h 34m
Deal found 9/3![Delta logo]()
$461
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Fri 12/253:15 pm -
1 stop6h 27m
Thu 12/316:50 am -
1 stop5h 09m
Deal found 9/2![United Airlines logo]()
$356
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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.
Wed 10/76:59 pm -
1 stop28h 00m
Tue 10/137:20 am -
2 stops16h 17m
Deal found 9/5![Alaska Airlines logo]()
$526
This American Airlines deal was found by Cheapflights users on 9/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/182:21 pm -
1 stop5h 48m
Tue 9/2211:05 pm -
2 stops11h 36m
Deal found 9/1![American Airlines logo]()
$454
Last-minute flights from Colorado to O'Hare IntlDiscover last-minute flight deals from Colorado to O'Hare Intl. Data last updated September 6, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to O'Hare Intl. Data last updated September 6, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:55 pm -
Nonstop2h 28m
Tue 9/291:21 pm -
1 stop24h 30m
Deal found 9/2![Frontier logo]()
$163
This Gotogate deal was found by Cheapflights users on 9/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:55 pm -
Nonstop2h 28m
Mon 9/282:46 pm -
1 stop22h 24m
Deal found 9/2![Frontier logo]()
$171
This Super.com deal was found by Cheapflights users on 9/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:55 pm -
Nonstop2h 28m
Mon 9/286:30 am -
Nonstop2h 45m
Deal found 9/4![Frontier logo]()
$162
This Frontier deal was found by Cheapflights users on 9/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:55 pm -
Nonstop2h 28m
Wed 9/307:28 pm -
1 stop13h 36m
Deal found 9/1![Frontier logo]()
$169
This Frontier deal was found by Cheapflights users on 9/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:55 pm -
Nonstop2h 28m
Tue 10/66:30 am -
Nonstop2h 45m
Deal found 9/1![Frontier logo]()
$170
This Super.com deal was found by Cheapflights users on 9/3. 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.
Thu 10/18:55 pm -
Nonstop2h 28m
Fri 10/26:30 am -
Nonstop2h 45m
Deal found 9/3![Frontier logo]()
$173
This Travelocity deal was found by Cheapflights users on 9/1. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:55 pm -
Nonstop2h 29m
Mon 10/128:11 pm -
1 stop12h 56m
Deal found 9/1![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Fri 10/168:55 pm -
Nonstop2h 29m
Tue 10/206:30 am -
Nonstop2h 49m
Deal found 9/2![Frontier logo]()
$172
This Frontier deal was found by Cheapflights users on 9/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/188:55 pm -
Nonstop2h 29m
Tue 10/276:30 am -
Nonstop2h 56m
Deal found 9/1![Frontier logo]()
$168
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Wed 10/2112:01 pm -
Nonstop2h 45m
Sat 10/249:03 am -
Nonstop2h 52m
Deal found 8/31![United Airlines logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Fri 10/238:55 pm -
Nonstop2h 29m
Tue 10/276:30 am -
Nonstop2h 56m
Deal found 9/2![Frontier logo]()
$166
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:55 pm -
Nonstop2h 26m
Thu 10/296:30 am -
Nonstop2h 56m
Deal found 9/2![Frontier logo]()
$164
One-way flights from Colorado to O'Hare IntlSearch for one-way flight options from Colorado to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 6, 2026.
Search for one-way flight options from Colorado to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/158:55 pm -
Nonstop2h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$107
This Super.com deal was found by Cheapflights users on 9/2. 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.
Fri 10/168:45 pm -
1 stop7h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$109
This Frontier deal was found by Cheapflights users on 9/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:11 pm -
1 stop7h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$111
This Mytrip deal was found by Cheapflights users on 9/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:09 am -
1 stop7h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$112
This Frontier deal was found by Cheapflights users on 9/5. 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.
Sun 12/63:48 pm -
Nonstop2h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$113
This Super.com deal was found by Cheapflights users on 9/2. 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 9/276:09 am -
1 stop14h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$114
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:16 pm -
1 stop19h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$115
This Super.com deal was found by Cheapflights users on 9/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:11 pm -
1 stop7h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$116
This Cheapflightsfares deal was found by Cheapflights users on 9/3. 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.
Thu 10/88:55 pm -
Nonstop2h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$118
This Frontier deal was found by Cheapflights users on 9/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/410:06 am -
1 stop9h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$119
This FlightHub deal was found by Cheapflights users on 9/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:30 am -
1 stop12h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$120
This American Airlines deal was found by Cheapflights users on 9/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:37 pm -
Nonstop2h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$147
Find flight deals from Colorado to O'Hare Intl
Keep the following information in mind while searching for Colorado to O'Hare Intl flight deals. Data was last updated September 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $162 (Cheapflightsfares) |
One-way from | $107 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $271 |
Good round-trip deal | $275 or less |
Good one-way deal | $168 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado to O'Hare Intl 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 6, 2026.
Use the filters below to find and compare flights from Colorado to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverChicago
DEN Denver Intl - ORD Chicago O'Hare Intl
DENORD
Denver Intl
Tue 3/2
6:45 am-12:37 pm
1 stop4h 52m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$125
DenverChicago
DEN Denver Intl - ORD Chicago O'Hare Intl
DENORD
Denver Intl
Wed 3/3
10:30 am-4:37 pm
1 stop5h 07m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$125
DenverChicago
DEN Denver Intl - ORD Chicago O'Hare Intl
DENORD
Denver Intl
Tue 10/6
3:48 pm-7:30 pm
Nonstop2h 42m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$152
DenverChicago
DEN Denver Intl - ORD Chicago O'Hare Intl
DENORD
Denver Intl
Wed 3/3
7:05 pm-10:44 pm
Nonstop2h 39m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$155
DenverChicago
DEN Denver Intl - ORD Chicago O'Hare Intl
DENORD
Denver Intl
Mon 3/1
7:05 pm-10:44 pm
Nonstop2h 39m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$155
Colorado SpringsChicago
COS Colorado Springs - ORD Chicago O'Hare Intl
COSORD
Colorado Springs
Thu 10/29
6:00 am-2:28 pm
1 stop7h 28m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$157
Colorado SpringsChicago
COS Colorado Springs - ORD Chicago O'Hare Intl
COSORD
Colorado Springs
Thu 12/3
1:40 pm-8:49 pm
1 stop6h 09m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$157
Colorado SpringsChicago
COS Colorado Springs - ORD Chicago O'Hare Intl
COSORD
Colorado Springs
Mon 9/28
5:08 pm-11:59 pm
1 stop5h 51m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$157
DenverChicago
DEN Denver Intl - ORD Chicago O'Hare Intl
DENORD
Denver Intl
Tue 11/3
4:18 pm-9:27 pm
1 stop4h 09m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$158
Colorado SpringsChicago
COS Colorado Springs - ORD Chicago O'Hare Intl
COSORD
Colorado Springs
Sat 12/5
8:00 am-8:49 pm
2 stops11h 49m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$162
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Colorado to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Colorado with our price prediction graph.
DEN-ORD
COS-ORD
MTJ-ORD
EGE-ORD
DRO-ORD
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 Colorado to Chicago O'Hare Intl Airport
USCO-ORD
DEN-ORD
COS-ORD
MTJ-ORD
EGE-ORD
What is the cheapest month to book a flight from Colorado to Chicago O'Hare Intl Airport?
Currently, February is the cheapest month in which you can book a flight from Colorado to Chicago O'Hare Intl Airport (average of $267). Flying from Colorado to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $374). 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 CO to ORD?
Find hourly flight availability from Colorado to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 6, 2026.
It’s optimal to fly from Colorado to Chicago O'Hare Intl Airport in the evening. By choosing this option you can save up to 57% on the cost of your flight, compared to a flight at noon.
Weekly flight availability from Colorado to Chicago O'Hare Intl Airport
Explore weekly flight availability from Colorado to O'Hare Intl. 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 6, 2026.
The most flights from USCO to ORD are scheduled on a Friday (72 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (19 on average).
How much does it cost to fly round-trip from Colorado to Chicago O'Hare Intl Airport?
Airfare is below average for this route at the moment.
Colorado to Chicago O'Hare Intl Airport flights typically cost between $204 and $341 in November.The cheapest round-trip price found within the last 5 days was $162 on Frontier (Nov 6-Nov 9).
How far ahead should I book a flight from Colorado to Chicago O'Hare Intl Airport?
The best time to book flights from Colorado to Chicago O'Hare Intl Airport is 68 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 Colorado to Chicago O'Hare Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Colorado to O'Hare Intl. Price data was last updated on September 5, 2026.
Travelers seeking maximum savings on their Colorado to Chicago O'Hare Intl Airport flight should consider departing on Friday evenings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Colorado to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
Naperville
Glenview
Lake Geneva
Schaumburg
Oakbrook Terrace
Delavan
Oak Brook
Libertyville
Des Plaines
Orland Park
Hoffman Estates
Aurora
Beloit
Rockford
South Holland
Elgin
Racine
Skokie
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Other flights to O'Hare Intl
Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 6, 2026.
Colorado and O'Hare Intl flights
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Consider these flights traveling from Colorado to O'Hare Intl.
Top 5 airlines flying from Colorado to O'Hare Intl
Discover the top 5 airlines that operate flights from Colorado to O'Hare Intl. 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 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$82 | Average$197 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$138 | Average$281 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$170 | Average$297 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$171 | Average$383 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$184 | Average$462 | FlexibilityNo cancel fee | On-time69% |