$103+ Cheap flights from O'Hare Intl (ORD) 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DEN
Aug 18 — Aug 251
Round-trip
1 adult, Economy
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Cheapest flights from O'Hare Intl to ColoradoExplore the most affordable flight options available from O'Hare Intl to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 19, 2026.
Explore the most affordable flight options available from O'Hare Intl to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Sat 9/2611:06 am
ORD
- DEN
Nonstop2h 54m
Frontier
Sat 10/38:40 am
DEN
- ORD
1 stop11h 54m
Frontier
Deal found 7/15![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Tue 9/292:46 pm
ORD
- DEN
1 stop10h 07m
Frontier
Wed 9/305:56 pm
DEN
- ORD
Nonstop2h 39m
Frontier
Deal found 7/15![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Mon 8/245:46 pm
ORD
- DEN
1 stop15h 28m
Frontier
Mon 8/319:55 am
DEN
- ORD
Nonstop2h 41m
Frontier
Deal found 7/15![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Mon 11/22:46 pm
ORD
- DEN
1 stop7h 55m
Frontier
Wed 11/116:25 am
DEN
- ORD
Nonstop2h 36m
Frontier
Deal found 7/15![Frontier logo]()
$164
This Super.com deal was found by Cheapflights users on 7/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Thu 8/135:05 pm
DEN
- ORD
Nonstop2h 47m
Frontier
Deal found 7/14![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 8/119:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Wed 8/127:00 am
DEN
- ORD
2 stops11h 53m
Frontier
Deal found 7/16![Frontier logo]()
$166
This Frontier deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 8/119:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Sat 8/155:05 pm
DEN
- ORD
Nonstop2h 47m
Frontier
Deal found 7/18![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Sat 8/159:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Wed 8/199:55 am
DEN
- ORD
Nonstop2h 41m
Frontier
Deal found 7/15![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Tue 9/12:41 pm
ORD
- DEN
Nonstop3h 04m
Frontier
Thu 9/108:40 am
DEN
- ORD
1 stop11h 54m
Frontier
Deal found 7/15![Frontier logo]()
$169
This Frontier deal was found by Cheapflights users on 7/16. 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.
Thu 8/202:41 pm
ORD
- DEN
Nonstop3h 04m
Frontier
Thu 8/279:55 am
DEN
- ORD
Nonstop2h 41m
Frontier
Deal found 7/16![Frontier logo]()
$170
This Cheapflightsfares deal was found by Cheapflights users on 7/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/149:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Thu 8/209:55 am
DEN
- ORD
Nonstop2h 41m
Frontier
Deal found 7/15![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Wed 8/59:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Wed 8/125:05 pm
DEN
- ORD
Nonstop2h 47m
Frontier
Deal found 7/15![Frontier logo]()
$172
Best flights from O'Hare Intl to ColoradoDiscover carefully curated flight deals from O'Hare Intl to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 19, 2026.
Discover carefully curated flight deals from O'Hare Intl to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 19, 2026.
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:39 pm
ORD
- DEN
1 stop5h 02m
Delta
Sun 10/1112:59 am
DEN
- ORD
1 stop6h 04m
Delta
Deal found 7/15![Delta logo]()
$225
This United Airlines deal was found by Cheapflights users on 7/15. 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 8/208:46 am
ORD
- COS
Nonstop2h 47m
United Airlines
Mon 8/2411:55 am
COS
- ORD
Nonstop2h 43m
United Airlines
Deal found 7/15![United Airlines logo]()
$243
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/2110:10 am
ORD
- GJT
1 stop9h 16m
American Airlines
Sun 8/238:30 am
GJT
- ORD
1 stop6h 35m
American Airlines
Deal found 7/19![American Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 7/16. 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.
Wed 9/96:24 pm
ORD
- DEN
1 stop6h 11m
Delta
Sun 9/1312:55 am
DEN
- ORD
1 stop6h 02m
Delta
Deal found 7/16![Delta logo]()
$235
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 8/2610:55 am
ORD
- DEN
Nonstop2h 50m
United Airlines
Sun 8/305:48 pm
DEN
- ORD
Nonstop2h 42m
United Airlines
Deal found 7/18![United Airlines logo]()
$246
This Delta deal was found by Cheapflights users on 7/16. 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 9/56:00 am
ORD
- DEN
1 stop4h 57m
Delta
Sat 9/52:22 pm
DEN
- ORD
1 stop5h 08m
Delta
Deal found 7/16![Delta logo]()
$235
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 8/258:46 am
ORD
- COS
Nonstop2h 47m
United Airlines
Wed 9/911:55 am
COS
- ORD
Nonstop2h 43m
United Airlines
Deal found 7/18![United Airlines logo]()
$273
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/233:55 pm
ORD
- DEN
1 stop5h 10m
Delta
Sun 9/276:00 am
DEN
- ORD
1 stop4h 39m
Delta
Deal found 7/15![Delta logo]()
$255
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 10/85:00 am
ORD
- DEN
Nonstop2h 39m
United Airlines
Sun 10/116:00 am
DEN
- ORD
Nonstop2h 43m
United Airlines
Deal found 7/18![United Airlines logo]()
$275
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:20 pm
ORD
- DEN
1 stop6h 28m
Delta
Sun 8/1612:59 am
DEN
- ORD
1 stop5h 57m
Delta
Deal found 7/15![Delta logo]()
$265
This United Airlines deal was found by Cheapflights users on 7/14. 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 8/128:46 am
ORD
- COS
Nonstop2h 47m
United Airlines
Sat 8/1511:55 am
COS
- ORD
Nonstop2h 43m
United Airlines
Deal found 7/14![United Airlines logo]()
$284
This Delta deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 9/165:10 pm
ORD
- DEN
1 stop5h 22m
Delta
Sun 9/206:30 am
DEN
- ORD
1 stop5h 29m
Delta
Deal found 7/18![Delta logo]()
$266
This American Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 8/2210:45 am
ORD
- GJT
2 stops8h 41m
American Airlines
Tue 8/2512:12 pm
GJT
- ORD
1 stop8h 48m
American Airlines
Deal found 7/18![American Airlines logo]()
$406
This United Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 9/59:15 am
ORD
- MTJ
Nonstop3h 33m
United Airlines
Sat 9/121:42 pm
MTJ
- ORD
1 stop5h 40m
United Airlines
Deal found 7/17![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:55 am
ORD
- DEN
1 stop6h 13m
Delta
Tue 10/1310:30 am
DEN
- ORD
1 stop4h 54m
Delta
Deal found 7/15![Delta logo]()
$282
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 8/214:20 pm
ORD
- GUC
1 stop5h 13m
United Airlines
Fri 8/281:31 pm
GUC
- ORD
1 stop4h 59m
United Airlines
Deal found 7/18![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:17 am
ORD
- DEN
1 stop7h 05m
Delta
Sat 10/36:00 am
DEN
- ORD
1 stop4h 39m
Delta
Deal found 7/15![Delta logo]()
$282
This United Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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
ORD
- MTJ
1 stop7h 35m
United Airlines
Mon 10/193:23 pm
MTJ
- ORD
1 stop4h 55m
United Airlines
Deal found 7/17![United Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 10/226:00 am
ORD
- GJT
1 stop5h 44m
United Airlines
Tue 10/276:10 pm
GJT
- ORD
1 stop4h 47m
United Airlines
Deal found 7/17![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 7/14. 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.
Thu 8/2711:22 am
ORD
- COS
2 stops11h 16m
Delta
Sun 8/308:10 am
COS
- ORD
1 stop9h 09m
Delta
Deal found 7/14![Delta logo]()
$322
This American Airlines deal was found by Cheapflights users on 7/16. 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.
Wed 8/2610:35 pm
ORD
- GUC
2 stops14h 35m
American Airlines
Mon 8/3112:55 pm
GUC
- ORD
2 stops15h 35m
American Airlines
Deal found 7/16![American Airlines logo]()
$611
This United Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 8/109:04 am
ORD
- MTJ
Nonstop3h 39m
United Airlines
Mon 8/243:24 pm
MTJ
- ORD
1 stop6h 22m
United Airlines
Deal found 7/17![United Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/212:00 pm
ORD
- GJT
1 stop5h 18m
Delta
Mon 8/246:53 pm
GJT
- ORD
2 stops13h 30m
Delta
Deal found 7/19![Delta logo]()
$324
This United Airlines deal was found by Cheapflights users on 7/15. 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 11/177:50 pm
ORD
- COS
Nonstop3h 05m
United Airlines
Wed 11/1811:33 am
COS
- ORD
1 stop6h 07m
United Airlines
Deal found 7/15![United Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 8/116:45 pm
ORD
- DEN
1 stop5h 49m
Delta
Wed 8/196:28 pm
DEN
- ORD
2 stops13h 02m
Delta
Deal found 7/18![Delta logo]()
$351
This United Airlines deal was found by Cheapflights users on 7/15. 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.
Fri 8/219:15 am
ORD
- MTJ
Nonstop3h 33m
United Airlines
Mon 8/243:24 pm
MTJ
- ORD
1 stop5h 36m
United Airlines
Deal found 7/15![United Airlines logo]()
$340
This Delta deal was found by Cheapflights users on 7/14. 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.
Wed 8/195:30 am
ORD
- COS
1 stop7h 45m
Delta
Tue 8/256:00 am
COS
- ORD
2 stops10h 41m
Delta
Deal found 7/14![Delta logo]()
$356
This United Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 9/235:00 am
ORD
- COS
1 stop4h 40m
United Airlines
Sun 9/2711:57 am
COS
- ORD
Nonstop2h 45m
United Airlines
Deal found 7/17![United Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/155:30 am
ORD
- HDN
1 stop7h 51m
Delta
Wed 1/201:28 pm
HDN
- ORD
1 stop6h 42m
Delta
Deal found 7/15![Delta logo]()
$364
This United Airlines deal was found by Cheapflights users on 7/16. 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 8/79:04 am
ORD
- MTJ
Nonstop3h 39m
United Airlines
Tue 8/113:24 pm
MTJ
- ORD
1 stop5h 28m
United Airlines
Deal found 7/16![United Airlines logo]()
$353
Last-minute flights from O'Hare Intl to ColoradoDiscover last-minute flight deals from O'Hare Intl to Colorado. Data last updated July 19, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Colorado. Data last updated July 19, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Wed 8/59:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Wed 8/125:05 pm
DEN
- ORD
Nonstop2h 47m
Frontier
Deal found 7/15![Frontier logo]()
$172
This Super.com deal was found by Cheapflights users on 7/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Thu 8/135:05 pm
DEN
- ORD
Nonstop2h 47m
Frontier
Deal found 7/14![Frontier logo]()
$165
This Super.com deal was found by Cheapflights users on 7/16. 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.
Tue 8/119:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Sat 8/155:05 pm
DEN
- ORD
Nonstop2h 47m
Frontier
Deal found 7/16![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Wed 8/129:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Wed 8/197:00 am
DEN
- ORD
1 stop7h 59m
Frontier
Deal found 7/15![Frontier logo]()
$162
This Cheapflightsfares deal was found by Cheapflights users on 7/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/149:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Thu 8/209:55 am
DEN
- ORD
Nonstop2h 41m
Frontier
Deal found 7/15![Frontier logo]()
$171
This Frontier deal was found by Cheapflights users on 7/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/159:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Thu 8/209:55 am
DEN
- ORD
Nonstop2h 41m
Frontier
Deal found 7/14![Frontier logo]()
$168
This United Airlines deal was found by Cheapflights users on 7/15. 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.
Sat 8/155:00 am
ORD
- COS
1 stop4h 40m
United Airlines
Sat 8/2211:55 am
COS
- ORD
Nonstop2h 43m
United Airlines
Deal found 7/15![United Airlines logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 8/182:41 pm
ORD
- DEN
Nonstop3h 04m
Frontier
Sat 8/227:00 am
DEN
- ORD
1 stop7h 59m
Frontier
Deal found 7/16![Frontier logo]()
$161
This American Airlines deal was found by Cheapflights users on 7/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:56 am
ORD
- COS
Nonstop2h 51m
American Airlines
Tue 8/2512:37 pm
COS
- ORD
Nonstop2h 53m
American Airlines
Deal found 7/14![American Airlines logo]()
$243
This Frontier deal was found by Cheapflights users on 7/16. 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.
Thu 8/202:41 pm
ORD
- DEN
Nonstop3h 04m
Frontier
Thu 8/279:55 am
DEN
- ORD
Nonstop2h 41m
Frontier
Deal found 7/16![Frontier logo]()
$170
This Frontier deal was found by Cheapflights users on 7/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/232:41 pm
ORD
- DEN
Nonstop3h 04m
Frontier
Mon 8/319:55 am
DEN
- ORD
Nonstop2h 41m
Frontier
Deal found 7/15![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Mon 8/245:46 pm
ORD
- DEN
1 stop15h 28m
Frontier
Mon 8/319:55 am
DEN
- ORD
Nonstop2h 41m
Frontier
Deal found 7/15![Frontier logo]()
$163
One-way flights from O'Hare Intl to ColoradoSearch for one-way flight options from O'Hare Intl to Colorado. Find affordable one-way fares based on user searches. Data last updated July 19, 2026.
Search for one-way flight options from O'Hare Intl to Colorado. Find affordable one-way fares based on user searches. Data last updated July 19, 2026.
This United Airlines deal was found by Cheapflights users on 7/14. 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.
Thu 10/156:00 am
ORD
- DEN
Nonstop2h 39m
United Airlines
Deal found 7/14![United Airlines logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 7/14. 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.
Mon 8/245:46 pm
ORD
- DEN
1 stop20h 34m
Frontier
Deal found 7/14![Frontier logo]()
$104
This Frontier deal was found by Cheapflights users on 7/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/41:50 pm
ORD
- DEN
1 stop9h 15m
Frontier
Deal found 7/14![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Thu 8/139:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 7/16![Frontier logo]()
$106
This Cheapflightsfares deal was found by Cheapflights users on 7/14. 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.
Sun 8/232:41 pm
ORD
- DEN
Nonstop3h 04m
Frontier
Deal found 7/14![Frontier logo]()
$108
This Cheapflightsfares deal was found by Cheapflights users on 7/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/169:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 7/15![Frontier logo]()
$109
This Super.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 8/79:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 7/18![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 8/107:05 am
ORD
- DEN
1 stop26h 58m
Frontier
Deal found 7/18![Frontier logo]()
$112
This Delta deal was found by Cheapflights users on 7/14. 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.
Sat 8/296:59 am
ORD
- DEN
1 stop7h 18m
Delta
Deal found 7/14![Delta logo]()
$113
This United Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 8/106:00 am
ORD
- DEN
Nonstop2h 42m
United Airlines
Deal found 7/17![United Airlines logo]()
$114
This Super.com deal was found by Cheapflights users on 7/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 7/14![Frontier logo]()
$115
This United Airlines deal was found by Cheapflights users on 7/15. 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 9/98:55 am
ORD
- COS
Nonstop2h 52m
United Airlines
Deal found 7/15![United Airlines logo]()
$122
Find flight deals from O'Hare Intl to Colorado
Keep the following information in mind while searching for O'Hare Intl to Colorado flight deals. Data was last updated July 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $161 (Kiwi.com) |
One-way from | $103 (United Airlines) |
Popular in | March |
Cheapest in | October |
Average price | $298 |
Good round-trip deal | $240 or less |
Good one-way deal | $147 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl 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 July 19, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
Sat 10/10
3:39 pm-7:41 pm
1 stop5h 02m
Denver Intl
Sun 10/11
12:59 am-8:03 am
1 stop6h 04m
$225
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
Wed 9/9
6:24 pm-11:35 pm
1 stop6h 11m
Denver Intl
Sun 9/13
12:55 am-7:57 am
1 stop6h 02m
$235
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
Sat 9/5
6:00 am-9:57 am
1 stop4h 57m
Denver Intl
Sat 9/5
2:22 pm-8:30 pm
1 stop5h 08m
$235
ChicagoColorado Springs
ORD - COS
ORDCOS
Chicago O'Hare Intl
Thu 8/20
8:46 am-10:33 am
Nonstop2h 47m
Colorado Springs
Mon 8/24
11:55 am-3:38 pm
Nonstop2h 43m
$243
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
Wed 8/26
10:55 am-12:45 pm
Nonstop2h 50m
Denver Intl
Sun 8/30
5:48 pm-9:30 pm
Nonstop2h 42m
$246
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
Wed 9/23
3:55 pm-8:05 pm
1 stop5h 10m
Denver Intl
Sun 9/27
6:00 am-11:39 am
1 stop4h 39m
$255
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
Fri 8/14
5:20 pm-10:48 pm
1 stop6h 28m
Denver Intl
Sun 8/16
12:59 am-7:56 am
1 stop5h 57m
$265
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
Wed 9/16
5:10 pm-9:32 pm
1 stop5h 22m
Denver Intl
Sun 9/20
6:30 am-12:59 pm
1 stop5h 29m
$266
ChicagoColorado Springs
ORD - COS
ORDCOS
Chicago O'Hare Intl
Tue 8/25
8:46 am-10:33 am
Nonstop2h 47m
Colorado Springs
Wed 9/9
11:55 am-3:38 pm
Nonstop2h 43m
$273
Quickest round-trip
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
Thu 10/8
5:00 am-6:39 am
Nonstop2h 39m
Denver Intl
Sun 10/11
6:00 am-9:43 am
Nonstop2h 43m
$275
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from O'Hare Intl to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from O'Hare Intl with our price prediction graph.
ORD-DEN
ORD-COS
ORD-GJT
ORD-EGE
ORD-MTJ
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 O'Hare Intl Airport to Colorado
ORD-USCO
ORD-DEN
ORD-COS
ORD-GJT
ORD-EGE
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Colorado?
Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Colorado (average of $224). Flying from Chicago O'Hare Intl Airport to Colorado in June is currently the most expensive (average of $350). 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 ORD to CO?
Find hourly flight availability from O'Hare Intl 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 July 19, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 18% on flights from Chicago O'Hare Intl Airport to Colorado by exploring options for tickets at noon.
Weekly flight availability from Chicago O'Hare Intl Airport to Colorado
Explore weekly flight availability from O'Hare Intl 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 July 19, 2026.
The most flights from ORD to USCO are scheduled on a Saturday (62 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (43 on average).
How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Colorado?
How far ahead should I book a flight from Chicago O'Hare Intl Airport to Colorado?
The best time to book flights from Chicago O'Hare Intl Airport to Colorado is 58 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 O'Hare Intl Airport to Colorado?
Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Colorado. Price data was last updated on July 18, 2026.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Colorado flight should consider departing on Wednesday evenings when fares are most often at their lowest. Monday 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 July 19, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andAmerican Airlines from Chicago O'Hare Intl Airport to Colorado to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl 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 O'Hare Intl to Colorado
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O'Hare Intl and Colorado flights
Browse other O'Hare Intl and Colorado flight options. Last updated on July 19, 2026.
Popular flight searches
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O'Hare Intl to Colorado flights
Consider these flights traveling from O'Hare Intl to Colorado.
Top 6 airlines flying from O'Hare Intl to Colorado
Discover the top 6 airlines that operate flights from O'Hare Intl 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 July 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$69 | Average$163 | 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$283 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$156 | Average$396 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$168 | Average$408 | FlexibilityNo cancel fee | On-time69% |