$92+ Cheap flights from Colorado to O'Hare Intl (ORD)
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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ORD
Jul 12 — Jul 191
Round-trip
1 adult, Economy
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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 June 12, 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 June 12, 2026.
This Frontier deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/265:05 am
DEN
- ORD
1 stop10h 05m
Frontier
Fri 8/289:48 pm
ORD
- DEN
Nonstop3h 06m
Frontier
Deal found 6/10![Frontier logo]()
$181
This Cheapflightsfares deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:05 pm
DEN
- ORD
Nonstop2h 47m
Frontier
Tue 8/49:28 am
ORD
- DEN
1 stop9h 23m
Frontier
Deal found 6/11![Frontier logo]()
$182
This Cheapflightsfares deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/105:05 pm
DEN
- ORD
Nonstop2h 47m
Frontier
Tue 7/149:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 6/11![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/155:05 pm
DEN
- ORD
Nonstop2h 47m
Frontier
Tue 7/287:05 am
ORD
- DEN
1 stop7h 55m
Frontier
Deal found 6/10![Frontier logo]()
$184
This Frontier deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/235:05 pm
DEN
- ORD
Nonstop2h 47m
Frontier
Tue 7/289:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 6/11![Frontier logo]()
$185
This Super.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/35:05 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Tue 7/79:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 6/11![Frontier logo]()
$186
This Frontier deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 6/305:05 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Sat 7/119:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 6/10![Frontier logo]()
$187
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/289:08 am
DEN
- ORD
Nonstop2h 48m
American Airlines
Tue 8/410:35 pm
ORD
- DEN
Nonstop2h 42m
American Airlines
Deal found 6/10![American Airlines logo]()
$188
This Cheapflightsfares deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/35:05 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Mon 7/139:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 6/10![Frontier logo]()
$189
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 8/277:10 pm
DEN
- ORD
Nonstop2h 35m
United Airlines
Mon 8/3110:00 pm
ORD
- DEN
Nonstop2h 53m
United Airlines
Deal found 6/11![United Airlines logo]()
$191
This Frontier deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/65:05 pm
DEN
- ORD
Nonstop2h 47m
Frontier
Sat 7/189:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 6/7![Frontier logo]()
$192
This Frontier deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/215:56 pm
DEN
- ORD
Nonstop2h 39m
Frontier
Sat 9/2610:40 pm
ORD
- DEN
Nonstop2h 49m
Frontier
Deal found 6/11![Frontier logo]()
$193
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 June 12, 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 June 12, 2026.
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 8/266:05 am
DEN
- ORD
1 stop6h 03m
Delta
Fri 8/285:20 pm
ORD
- DEN
1 stop6h 28m
Delta
Deal found 6/9![Delta logo]()
$229
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:03 pm
COS
- ORD
1 stop4h 56m
United Airlines
Tue 10/209:03 am
ORD
- COS
Nonstop2h 52m
United Airlines
Deal found 6/10![United Airlines logo]()
$233
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/32:22 pm
MTJ
- ORD
1 stop6h 00m
American Airlines
Tue 7/76:04 am
ORD
- MTJ
1 stop8h 26m
American Airlines
Deal found 6/7![American Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/299:05 pm
DEN
- ORD
Nonstop2h 39m
United Airlines
Sat 8/19:50 pm
ORD
- DEN
Nonstop2h 59m
United Airlines
Deal found 6/9![United Airlines logo]()
$241
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 9/911:15 am
DEN
- ORD
1 stop4h 33m
Delta
Sun 9/139:30 am
ORD
- DEN
1 stop7h 01m
Delta
Deal found 6/8![Delta logo]()
$241
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 8/2612:59 am
DEN
- ORD
1 stop5h 57m
Delta
Fri 8/288:48 am
ORD
- DEN
1 stop5h 57m
Delta
Deal found 6/9![Delta logo]()
$243
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:30 am
DEN
- ORD
1 stop7h 10m
Delta
Mon 11/167:05 am
ORD
- DEN
1 stop7h 58m
Delta
Deal found 6/12![Delta logo]()
$247
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/26:10 pm
GJT
- ORD
1 stop5h 34m
United Airlines
Tue 7/75:00 am
ORD
- GJT
1 stop4h 53m
United Airlines
Deal found 6/9![United Airlines logo]()
$299
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/911:22 am
ASE
- ORD
Nonstop3h 07m
American Airlines
Sun 7/125:00 am
ORD
- ASE
1 stop6h 01m
American Airlines
Deal found 6/7![American Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/212:22 pm
DEN
- ORD
1 stop5h 08m
Delta
Sun 8/238:48 am
ORD
- DEN
1 stop5h 57m
Delta
Deal found 6/10![Delta logo]()
$264
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 10/216:06 pm
GJT
- ORD
1 stop4h 53m
United Airlines
Sun 10/255:00 am
ORD
- GJT
1 stop6h 55m
United Airlines
Deal found 6/8![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 8/2012:59 am
DEN
- ORD
1 stop5h 57m
Delta
Wed 8/265:20 pm
ORD
- DEN
1 stop6h 28m
Delta
Deal found 6/7![Delta logo]()
$275
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/226:00 pm
DRO
- ORD
1 stop4h 59m
United Airlines
Tue 8/257:00 am
ORD
- DRO
1 stop6h 32m
United Airlines
Deal found 6/10![United Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/1612:59 am
DEN
- ORD
1 stop6h 00m
Delta
Wed 7/225:18 pm
ORD
- DEN
1 stop6h 26m
Delta
Deal found 6/7![Delta logo]()
$275
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 6/267:00 am
ASE
- ORD
Nonstop3h 02m
American Airlines
Tue 6/3011:15 am
ORD
- ASE
Nonstop3h 12m
American Airlines
Deal found 6/11![American Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/111:30 pm
MTJ
- ORD
1 stop7h 09m
United Airlines
Sat 7/186:00 am
ORD
- MTJ
1 stop7h 34m
United Airlines
Deal found 6/11![United Airlines logo]()
$335
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 9/46:05 am
DEN
- ORD
1 stop6h 03m
Delta
Mon 9/76:00 am
ORD
- DEN
1 stop4h 59m
Delta
Deal found 6/8![Delta logo]()
$285
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1712:45 pm
GUC
- ORD
1 stop6h 44m
American Airlines
Mon 7/205:00 am
ORD
- GUC
1 stop8h 02m
American Airlines
Deal found 6/12![American Airlines logo]()
$425
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 9/173:15 pm
GUC
- ORD
1 stop7h 44m
United Airlines
Sat 9/1910:55 am
ORD
- GUC
1 stop4h 39m
United Airlines
Deal found 6/9![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/1512:59 am
DEN
- ORD
1 stop6h 00m
Delta
Mon 7/205:54 pm
ORD
- DEN
1 stop6h 33m
Delta
Deal found 6/7![Delta logo]()
$285
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/310:31 am
ASE
- ORD
1 stop8h 13m
American Airlines
Mon 7/67:49 pm
ORD
- ASE
Nonstop3h 07m
American Airlines
Deal found 6/7![American Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 10/96:45 am
DEN
- ORD
1 stop4h 52m
Delta
Sun 10/1111:30 am
ORD
- DEN
1 stop7h 00m
Delta
Deal found 6/7![Delta logo]()
$285
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/76:05 pm
DRO
- ORD
1 stop5h 39m
United Airlines
Sat 7/116:59 am
ORD
- DRO
1 stop6h 29m
United Airlines
Deal found 6/11![United Airlines logo]()
$353
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/257:50 am
EGE
- ORD
1 stop7h 01m
American Airlines
Mon 8/107:00 am
ORD
- EGE
1 stop7h 28m
American Airlines
Deal found 6/8![American Airlines logo]()
$447
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 10/18:21 am
ASE
- ORD
Nonstop3h 08m
United Airlines
Tue 10/62:30 pm
ORD
- ASE
1 stop7h 01m
United Airlines
Deal found 6/10![United Airlines logo]()
$353
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 6/265:06 pm
DRO
- ORD
1 stop6h 33m
American Airlines
Sun 6/285:59 am
ORD
- DRO
1 stop7h 28m
American Airlines
Deal found 6/9![American Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/712:08 pm
COS
- ORD
Nonstop2h 45m
United Airlines
Thu 7/99:06 am
ORD
- COS
Nonstop3h 03m
United Airlines
Deal found 6/8![United Airlines logo]()
$361
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/78:10 am
COS
- ORD
1 stop9h 09m
Delta
Mon 8/106:40 am
ORD
- COS
1 stop6h 35m
Delta
Deal found 6/10![Delta logo]()
$339
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 8/152:08 pm
EGE
- ORD
1 stop8h 22m
American Airlines
Sat 8/225:00 am
ORD
- EGE
1 stop5h 47m
American Airlines
Deal found 6/7![American Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 6/306:10 pm
GJT
- ORD
1 stop5h 34m
United Airlines
Sat 7/45:00 am
ORD
- GJT
1 stop4h 53m
United Airlines
Deal found 6/10![United Airlines logo]()
$369
Last-minute flights from Colorado to O'Hare IntlDiscover last-minute flight deals from Colorado to O'Hare Intl. Data last updated June 12, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to O'Hare Intl. Data last updated June 12, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 6/305:05 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Wed 7/89:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 6/8![Frontier logo]()
$181
This Frontier deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 6/305:05 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Sat 7/119:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 6/10![Frontier logo]()
$187
This Super.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/35:05 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Tue 7/79:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 6/11![Frontier logo]()
$186
This Cheapflightsfares deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/35:05 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Mon 7/139:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 6/10![Frontier logo]()
$189
This Frontier deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/65:05 pm
DEN
- ORD
Nonstop2h 47m
Frontier
Sat 7/189:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 6/7![Frontier logo]()
$192
This Cheapflightsfares deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/75:05 pm
DEN
- ORD
Nonstop2h 47m
Frontier
Tue 7/149:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 6/8![Frontier logo]()
$191
This Cheapflightsfares deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/105:05 pm
DEN
- ORD
Nonstop2h 47m
Frontier
Tue 7/219:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 6/11![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/155:05 pm
DEN
- ORD
Nonstop2h 47m
Frontier
Tue 7/287:05 am
ORD
- DEN
1 stop7h 55m
Frontier
Deal found 6/10![Frontier logo]()
$184
This Cheapflightsfares deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/165:05 pm
DEN
- ORD
Nonstop2h 47m
Frontier
Tue 7/219:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 6/10![Frontier logo]()
$193
This Frontier deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/235:05 pm
DEN
- ORD
Nonstop2h 47m
Frontier
Wed 7/299:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 6/11![Frontier logo]()
$185
This Cheapflightsfares deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:05 pm
DEN
- ORD
Nonstop2h 47m
Frontier
Tue 8/49:28 am
ORD
- DEN
1 stop9h 23m
Frontier
Deal found 6/11![Frontier logo]()
$182
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/289:08 am
DEN
- ORD
Nonstop2h 48m
American Airlines
Tue 8/410:35 pm
ORD
- DEN
Nonstop2h 42m
American Airlines
Deal found 6/10![American Airlines logo]()
$188
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 June 12, 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 June 12, 2026.
This Trip.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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.
Thu 7/165:05 pm
DEN
- ORD
Nonstop2h 47m
Frontier
Deal found 6/9![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 8/1210:00 am
DEN
- ORD
1 stop18h 37m
Frontier
Deal found 6/11![Frontier logo]()
$93
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 8/277:10 pm
DEN
- ORD
Nonstop2h 35m
United Airlines
Deal found 6/11![United Airlines logo]()
$96
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:05 am
DEN
- ORD
1 stop6h 03m
Delta
Deal found 6/12![Delta logo]()
$99
This Super.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 6/205:05 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Deal found 6/7![Frontier logo]()
$100
This Super.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 8/510:00 am
DEN
- ORD
1 stop8h 53m
Frontier
Deal found 6/11![Frontier logo]()
$102
This Cheapflightsfares deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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.
Sat 7/45:05 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Deal found 6/8![Frontier logo]()
$104
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 8/912:59 am
DEN
- ORD
1 stop5h 57m
Delta
Deal found 6/11![Delta logo]()
$106
This Cheapflightsfares deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/35:05 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Deal found 6/9![Frontier logo]()
$107
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/77:10 pm
DEN
- ORD
Nonstop2h 39m
United Airlines
Deal found 6/10![United Airlines logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 8/175:35 pm
DEN
- ORD
1 stop30h 07m
Frontier
Deal found 6/9![Frontier logo]()
$111
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/512:36 pm
COS
- ORD
Nonstop2h 53m
American Airlines
Deal found 6/8![American Airlines logo]()
$112
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 June 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $181 (Kiwi.com) |
One-way from | $92 (Trip.com) |
Popular in | March |
Cheapest in | January |
Average price | $285 |
Good round-trip deal | $290 or less |
Good one-way deal | $142 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 2,558,603 searches. Data last updated June 12, 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 - ORD
DENORD
Denver Intl
Wed 8/26
6:05 am-1:08 pm
1 stop6h 03m
Chicago O'Hare Intl
Fri 8/28
5:20 pm-10:48 pm
1 stop6h 28m
$229
Colorado SpringsChicago
COS - ORD
COSORD
Colorado Springs
Wed 10/14
6:03 pm-11:59 pm
1 stop4h 56m
Chicago O'Hare Intl
Tue 10/20
9:03 am-10:55 am
Nonstop2h 52m
$233
Quickest round-trip
DenverChicago
DEN - ORD
DENORD
Denver Intl
Wed 7/29
9:05 pm-12:44 am
Nonstop2h 39m
Chicago O'Hare Intl
Sat 8/1
9:50 pm-11:49 pm
Nonstop2h 59m
$241
DenverChicago
DEN - ORD
DENORD
Denver Intl
Wed 9/9
11:15 am-4:48 pm
1 stop4h 33m
Chicago O'Hare Intl
Sun 9/13
9:30 am-3:31 pm
1 stop7h 01m
$241
DenverChicago
DEN - ORD
DENORD
Denver Intl
Wed 8/26
12:59 am-7:56 am
1 stop5h 57m
Chicago O'Hare Intl
Fri 8/28
8:48 am-1:45 pm
1 stop5h 57m
$243
DenverChicago
DEN - ORD
DENORD
Denver Intl
Wed 11/11
10:30 am-6:40 pm
1 stop7h 10m
Chicago O'Hare Intl
Mon 11/16
7:05 am-2:03 pm
1 stop7h 58m
$247
DenverChicago
DEN - ORD
DENORD
Denver Intl
Fri 8/21
2:22 pm-8:30 pm
1 stop5h 08m
Chicago O'Hare Intl
Sun 8/23
8:48 am-1:45 pm
1 stop5h 57m
$264
DenverChicago
DEN - ORD
DENORD
Denver Intl
Thu 8/20
12:59 am-7:56 am
1 stop5h 57m
Chicago O'Hare Intl
Wed 8/26
5:20 pm-10:48 pm
1 stop6h 28m
$275
DenverChicago
DEN - ORD
DENORD
Denver Intl
Thu 7/16
12:59 am-7:59 am
1 stop6h 00m
Chicago O'Hare Intl
Wed 7/22
5:18 pm-10:44 pm
1 stop6h 26m
$275
DenverChicago
DEN - ORD
DENORD
Denver Intl
Fri 9/4
6:05 am-1:08 pm
1 stop6h 03m
Chicago O'Hare Intl
Mon 9/7
6:00 am-9:59 am
1 stop4h 59m
$285
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
GJT-ORD
ASE-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
GJT-ORD
What is the cheapest month to book a flight from Colorado to Chicago O'Hare Intl Airport?
Currently, September is the cheapest month in which you can book a flight from Colorado to Chicago O'Hare Intl Airport (average of $44). Flying from Colorado to Chicago O'Hare Intl Airport in June is currently the most expensive (average of $813). 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 June 12, 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 65% 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 June 12, 2026.
The most flights from USCO to ORD are scheduled on a Friday (72 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (39 on average).
How much does it cost to fly round-trip from Colorado to Chicago O'Hare Intl Airport?
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 89 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 June 8, 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. Monday 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
Schaumburg
Naperville
Lake Geneva
Gurnee
Delavan
Oakbrook Terrace
Downers Grove
Des Plaines
Hoffman Estates
Oak Brook
South Holland
Libertyville
Warrenville
Rockford
Great Lakes
Northbrook
Waukegan
Elk Grove Village
Browse thousands of different options on Cheapflights for your next trip
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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 June 12, 2026.
Colorado and O'Hare Intl flights
Browse other Colorado and O'Hare Intl flight options. Last updated on June 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Colorado to O'Hare Intl flights
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 2,558,603 searches. Data last updated June 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$183 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$126 | Average$233 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$157 | Average$269 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$168 | Average$406 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$176 | Average$453 | FlexibilityNo cancel fee | On-time69% |