$83+ 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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ORD
Mar 13 — Mar 201
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Colorado to O'Hare Intl
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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 February 11, 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 February 11, 2026.
This Frontier deal was found by Cheapflights users on 2/11. 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.
Wed 4/810:45 am
DEN
- ORD
Nonstop2h 34m
Frontier
Fri 4/102:29 pm
ORD
- DEN
Nonstop3h 11m
Frontier
Deal found 2/11![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Thu 3/57:35 pm
DEN
- ORD
Nonstop2h 39m
Multiple Airlines
Mon 3/96:51 pm
ORD
- DEN
2 stops18h 08m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$136
This Cheapflightsfares deal was found by Cheapflights users on 2/9. 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 3/209:19 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Wed 3/254:51 pm
ORD
- DEN
1 stop7h 13m
Frontier
Deal found 2/9![Frontier logo]()
$137
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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 4/236:15 am
DEN
- ORD
Nonstop2h 35m
Frontier
Mon 4/2710:55 am
ORD
- DEN
Nonstop3h 03m
Frontier
Deal found 2/10![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Sun 3/156:00 am
DEN
- ORD
Nonstop2h 43m
Frontier
Wed 3/189:28 am
ORD
- DEN
1 stop14h 36m
Frontier
Deal found 2/10![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Thu 3/266:00 am
DEN
- ORD
Nonstop2h 43m
Multiple Airlines
Tue 3/314:36 pm
ORD
- DEN
2 stops21h 31m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$140
This Frontier deal was found by Cheapflights users on 2/10. 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.
Fri 3/279:19 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Fri 4/32:29 pm
ORD
- DEN
Nonstop3h 20m
Frontier
Deal found 2/10![Frontier logo]()
$141
This Cheapflightsfares deal was found by Cheapflights users on 2/9. 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.
Thu 3/57:35 pm
DEN
- ORD
Nonstop2h 39m
Frontier
Sun 3/810:53 am
ORD
- DEN
Nonstop2h 59m
Frontier
Deal found 2/9![Frontier logo]()
$142
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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.
Tue 2/2412:59 am
DEN
- ORD
1 stop8h 52m
Frontier
Tue 3/38:30 am
ORD
- DEN
1 stop15h 29m
Frontier
Deal found 2/10![Frontier logo]()
$143
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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 3/69:19 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Mon 3/96:20 pm
ORD
- DEN
Nonstop3h 04m
Frontier
Deal found 2/10![Frontier logo]()
$145
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/101:32 pm
COS
- ORD
1 stop5h 28m
United Airlines
Tue 3/178:50 am
ORD
- COS
Nonstop3h 10m
United Airlines
Deal found 2/10![United Airlines logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Thu 4/166:46 pm
COS
- ORD
1 stop21h 07m
Multiple Airlines
Sun 4/197:43 am
ORD
- COS
1 stop11h 13m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$202
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 February 11, 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 February 11, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 2/11. 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 5/811:59 pm
DEN
- ORD
1 stop9h 45m
Frontier
Mon 5/115:25 am
ORD
- DEN
1 stop7h 11m
Frontier
Deal found 2/11![Frontier logo]()
$159
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Sat 4/183:15 pm
DEN
- ORD
Nonstop2h 39m
United Airlines
Mon 4/205:45 pm
ORD
- DEN
Nonstop2h 55m
United Airlines
Deal found 2/8![United Airlines logo]()
$169
This Southwest deal was found by Cheapflights users on 2/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:30 am
DEN
- ORD
2 stops11h 25m
Southwest
Sat 3/146:20 pm
ORD
- DEN
Nonstop2h 45m
Southwest
Deal found 2/8![Southwest logo]()
$169
This American Airlines deal was found by Cheapflights users on 2/11. 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.
Sat 3/77:00 am
DEN
- ORD
Nonstop2h 37m
American Airlines
Sun 3/86:55 am
ORD
- DEN
Nonstop2h 57m
American Airlines
Deal found 2/11![American Airlines logo]()
$179
This Delta deal was found by Cheapflights users on 2/9. 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.
Tue 5/1212:59 am
DEN
- ORD
1 stop6h 33m
Delta
Sat 6/63:55 pm
ORD
- DEN
1 stop5h 20m
Delta
Deal found 2/9![Delta logo]()
$198
This United Airlines deal was found by Cheapflights users on 2/8. 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 3/176:00 am
DEN
- ORD
Nonstop2h 38m
United Airlines
Tue 4/74:10 pm
ORD
- DEN
Nonstop2h 56m
United Airlines
Deal found 2/8![United Airlines logo]()
$179
This Southwest deal was found by Cheapflights users on 2/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:05 am
DEN
- ORD
1 stop6h 45m
Southwest
Tue 3/172:40 pm
ORD
- DEN
1 stop5h 50m
Southwest
Deal found 2/8![Southwest logo]()
$199
This Delta deal was found by Cheapflights users on 2/8. 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.
Tue 3/1712:55 am
DEN
- ORD
1 stop6h 35m
Delta
Wed 3/181:57 pm
ORD
- DEN
1 stop8h 31m
Delta
Deal found 2/8![Delta logo]()
$199
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/267:45 am
DEN
- ORD
Nonstop2h 34m
United Airlines
Tue 3/312:05 pm
ORD
- DEN
Nonstop2h 55m
United Airlines
Deal found 2/10![United Airlines logo]()
$185
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Mon 3/235:54 pm
DEN
- ORD
Nonstop2h 35m
United Airlines
Wed 3/259:39 pm
ORD
- DEN
Nonstop2h 51m
United Airlines
Deal found 2/8![United Airlines logo]()
$187
This American Airlines deal was found by Cheapflights users on 2/9. 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.
Tue 2/244:43 pm
DRO
- ORD
1 stop5h 53m
American Airlines
Sat 2/285:00 am
ORD
- DRO
1 stop5h 52m
American Airlines
Deal found 2/9![American Airlines logo]()
$228
This Delta deal was found by Cheapflights users on 2/10. 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.
Thu 4/912:10 pm
COS
- ORD
1 stop8h 24m
Delta
Tue 4/145:10 am
ORD
- COS
1 stop8h 07m
Delta
Deal found 2/10![Delta logo]()
$221
This United Airlines deal was found by Cheapflights users on 2/9. 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 3/51:25 pm
DEN
- ORD
Nonstop2h 35m
United Airlines
Sun 3/89:39 pm
ORD
- DEN
Nonstop2h 51m
United Airlines
Deal found 2/9![United Airlines logo]()
$193
This American Airlines deal was found by Cheapflights users on 2/9. 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.
Thu 4/912:22 pm
COS
- ORD
Nonstop2h 47m
American Airlines
Tue 4/149:53 am
ORD
- COS
Nonstop2h 59m
American Airlines
Deal found 2/9![American Airlines logo]()
$235
This Southwest deal was found by Cheapflights users on 2/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/76:50 am
COS
- ORD
1 stop7h 10m
Southwest
Mon 3/94:55 pm
ORD
- COS
1 stop8h 25m
Southwest
Deal found 2/8![Southwest logo]()
$243
This United Airlines deal was found by Cheapflights users on 2/11. 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 4/96:00 am
DEN
- ORD
Nonstop2h 37m
United Airlines
Mon 4/138:06 pm
ORD
- DEN
Nonstop2h 59m
United Airlines
Deal found 2/11![United Airlines logo]()
$195
This American Airlines deal was found by Cheapflights users on 2/11. 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.
Thu 2/264:46 pm
GJT
- ORD
1 stop5h 50m
American Airlines
Mon 3/25:00 am
ORD
- GJT
1 stop6h 05m
American Airlines
Deal found 2/11![American Airlines logo]()
$239
This Southwest deal was found by Cheapflights users on 2/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:15 am
COS
- ORD
1 stop11h 35m
Southwest
Sat 4/257:00 am
ORD
- COS
1 stop6h 35m
Southwest
Deal found 2/9![Southwest logo]()
$248
This Delta deal was found by Cheapflights users on 2/9. 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.
Thu 3/52:13 pm
MTJ
- ORD
1 stop8h 43m
Delta
Sun 3/85:30 am
ORD
- MTJ
1 stop8h 19m
Delta
Deal found 2/9![Delta logo]()
$249
This Delta deal was found by Cheapflights users on 2/8. 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.
Sat 8/110:57 am
COS
- ORD
1 stop4h 51m
Delta
Tue 8/46:00 am
ORD
- COS
1 stop7h 59m
Delta
Deal found 2/8![Delta logo]()
$249
This Delta deal was found by Cheapflights users on 2/8. 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.
Thu 4/301:13 pm
COS
- ORD
1 stop7h 12m
Delta
Sun 5/32:25 pm
ORD
- COS
1 stop6h 55m
Delta
Deal found 2/8![Delta logo]()
$249
This American Airlines deal was found by Cheapflights users on 2/11. 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 4/174:58 pm
GJT
- ORD
1 stop5h 50m
American Airlines
Mon 4/205:00 am
ORD
- GJT
1 stop7h 15m
American Airlines
Deal found 2/11![American Airlines logo]()
$274
This United Airlines deal was found by Cheapflights users on 2/8. 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 6/1012:16 pm
COS
- ORD
Nonstop2h 46m
United Airlines
Wed 6/175:00 am
ORD
- COS
1 stop4h 41m
United Airlines
Deal found 2/8![United Airlines logo]()
$239
This American Airlines deal was found by Cheapflights users on 2/11. 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.
Thu 2/2612:22 pm
HDN
- ORD
Nonstop2h 48m
American Airlines
Mon 3/29:40 am
ORD
- HDN
Nonstop3h 12m
American Airlines
Deal found 2/11![American Airlines logo]()
$279
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/51:32 pm
COS
- ORD
1 stop6h 57m
United Airlines
Tue 3/108:50 am
ORD
- COS
Nonstop3h 10m
United Airlines
Deal found 2/10![United Airlines logo]()
$239
This United Airlines deal was found by Cheapflights users on 2/10. 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 6/412:16 pm
COS
- ORD
Nonstop2h 46m
United Airlines
Wed 6/105:00 am
ORD
- COS
1 stop4h 41m
United Airlines
Deal found 2/10![United Airlines logo]()
$239
This Southwest deal was found by Cheapflights users on 2/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:30 am
MTJ
- ORD
1 stop4h 50m
Southwest
Sat 5/167:00 am
ORD
- MTJ
2 stops12h 50m
Southwest
Deal found 2/10![Southwest logo]()
$354
This Delta deal was found by Cheapflights users on 2/11. 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.
Thu 2/261:49 pm
HDN
- ORD
1 stop6h 12m
Delta
Mon 3/26:45 am
ORD
- HDN
1 stop6h 59m
Delta
Deal found 2/11![Delta logo]()
$309
This American Airlines deal was found by Cheapflights users on 2/9. 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 4/104:58 pm
GJT
- ORD
1 stop5h 50m
American Airlines
Tue 4/145:00 am
ORD
- GJT
1 stop7h 15m
American Airlines
Deal found 2/9![American Airlines logo]()
$315
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Fri 4/106:10 pm
GJT
- ORD
1 stop5h 20m
United Airlines
Mon 4/132:05 pm
ORD
- GJT
1 stop7h 54m
United Airlines
Deal found 2/9![United Airlines logo]()
$264
Last-minute flights from Colorado to O'Hare IntlDiscover last-minute flight deals from Colorado to O'Hare Intl. Data last updated February 11, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to O'Hare Intl. Data last updated February 11, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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.
Tue 2/2412:59 am
DEN
- ORD
1 stop8h 52m
Frontier
Tue 3/38:30 am
ORD
- DEN
1 stop15h 29m
Frontier
Deal found 2/10![Frontier logo]()
$143
This American Airlines deal was found by Cheapflights users on 2/9. 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.
Tue 2/244:43 pm
DRO
- ORD
1 stop5h 53m
American Airlines
Sat 2/285:00 am
ORD
- DRO
1 stop5h 52m
American Airlines
Deal found 2/9![American Airlines logo]()
$228
This American Airlines deal was found by Cheapflights users on 2/11. 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.
Thu 2/264:46 pm
GJT
- ORD
1 stop5h 50m
American Airlines
Mon 3/25:00 am
ORD
- GJT
1 stop6h 05m
American Airlines
Deal found 2/11![American Airlines logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Thu 3/57:35 pm
DEN
- ORD
Nonstop2h 39m
Multiple Airlines
Mon 3/96:51 pm
ORD
- DEN
2 stops18h 08m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$135
This Cheapflightsfares deal was found by Cheapflights users on 2/9. 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.
Thu 3/57:35 pm
DEN
- ORD
Nonstop2h 39m
Frontier
Sun 3/810:53 am
ORD
- DEN
Nonstop2h 59m
Frontier
Deal found 2/9![Frontier logo]()
$142
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/51:32 pm
COS
- ORD
1 stop6h 57m
United Airlines
Tue 3/108:50 am
ORD
- COS
Nonstop3h 10m
United Airlines
Deal found 2/10![United Airlines logo]()
$239
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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 3/69:19 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Mon 3/96:20 pm
ORD
- DEN
Nonstop3h 04m
Frontier
Deal found 2/10![Frontier logo]()
$145
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/101:32 pm
COS
- ORD
1 stop5h 28m
United Airlines
Tue 3/178:50 am
ORD
- COS
Nonstop3h 10m
United Airlines
Deal found 2/10![United Airlines logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Sun 3/156:00 am
DEN
- ORD
Nonstop2h 43m
Frontier
Wed 3/189:28 am
ORD
- DEN
1 stop14h 36m
Frontier
Deal found 2/10![Frontier logo]()
$139
This Cheapflightsfares deal was found by Cheapflights users on 2/9. 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 3/209:19 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Wed 3/254:51 pm
ORD
- DEN
1 stop7h 13m
Frontier
Deal found 2/9![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Thu 3/266:00 am
DEN
- ORD
Nonstop2h 43m
Multiple Airlines
Tue 3/314:36 pm
ORD
- DEN
2 stops21h 31m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Fri 3/279:19 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Wed 4/13:29 pm
ORD
- DEN
Nonstop3h 08m
Frontier
Deal found 2/10![Frontier logo]()
$141
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 February 11, 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 February 11, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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 3/126:00 am
DEN
- ORD
Nonstop2h 43m
Frontier
Deal found 2/10![Frontier logo]()
$83
This Cheapflightsfares deal was found by Cheapflights users on 2/9. 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 2/279:41 am
DEN
- ORD
Nonstop2h 44m
Frontier
Deal found 2/9![Frontier logo]()
$84
This Super.com deal was found by Cheapflights users on 2/8. 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.
Sun 3/111:59 pm
DEN
- ORD
1 stop22h 16m
Frontier
Deal found 2/8![Frontier logo]()
$85
This Cheapflightsfares deal was found by Cheapflights users on 2/8. 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.
Wed 5/201:35 pm
DEN
- ORD
1 stop15h 15m
Frontier
Deal found 2/8![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Tue 3/35:20 pm
DEN
- ORD
2 stops24h 51m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Mon 3/169:00 pm
DEN
- ORD
1 stop17h 15m
Frontier
Deal found 2/11![Frontier logo]()
$88
This Delta deal was found by Cheapflights users on 2/9. 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.
Tue 3/102:05 pm
HDN
- ORD
1 stop6h 05m
Delta
Deal found 2/9![Delta logo]()
$89
This Southwest deal was found by Cheapflights users on 2/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1010:10 am
DEN
- ORD
Nonstop2h 45m
Southwest
Deal found 2/9![Southwest logo]()
$90
This Southwest deal was found by Cheapflights users on 2/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/75:10 am
DEN
- ORD
1 stop6h 40m
Southwest
Deal found 2/9![Southwest logo]()
$91
This Southwest deal was found by Cheapflights users on 2/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2810:25 am
DEN
- ORD
Nonstop2h 40m
Southwest
Deal found 2/9![Southwest logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Wed 3/116:35 am
DEN
- ORD
2 stops10h 22m
Frontier
Deal found 2/9![Frontier logo]()
$93
This Frontier deal was found by Cheapflights users on 2/10. 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.
Mon 3/239:21 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Deal found 2/10![Frontier logo]()
$94
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 February 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $134 (Kiwi.com) |
One-way from | $83 (Cheapflightsfares) |
Popular in | November |
Cheapest in | August |
Average price | $218 |
Good round-trip deal | $254 or less |
Good one-way deal | $133 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 February 11, 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
Colorado
Fly to
O'Hare Intl
Route
Depart
Return
Price
DenverChicago
DEN - ORD
DENORD
Denver Intl
Fri 5/8
11:59 pm-10:44 am
1 stop9h 45m
Chicago O'Hare Intl
Mon 5/11
5:25 am-11:36 am
1 stop7h 11m
$159
DenverChicago
DEN - ORD
DENORD
Denver Intl
Sat 4/18
3:15 pm-6:54 pm
Nonstop2h 39m
Chicago O'Hare Intl
Mon 4/20
5:45 pm-7:40 pm
Nonstop2h 55m
$169
DenverChicago
DEN - ORD
DENORD
Denver Intl
Tue 3/10
11:30 am-11:55 pm
2 stops11h 25m
Chicago O'Hare Intl
Sat 3/14
6:20 pm-8:05 pm
Nonstop2h 45m
$169
DenverChicago
DEN - ORD
DENORD
Denver Intl
Sat 3/7
7:00 am-10:37 am
Nonstop2h 37m
Chicago O'Hare Intl
Sun 3/8
6:55 am-8:52 am
Nonstop2h 57m
$179
DenverChicago
DEN - ORD
DENORD
Denver Intl
Tue 3/17
6:00 am-9:38 am
Nonstop2h 38m
Chicago O'Hare Intl
Tue 4/7
4:10 pm-6:06 pm
Nonstop2h 56m
$179
DenverChicago
DEN - ORD
DENORD
Denver Intl
Thu 3/26
7:45 am-11:19 am
Nonstop2h 34m
Chicago O'Hare Intl
Tue 3/31
2:05 pm-4:00 pm
Nonstop2h 55m
$185
DenverChicago
DEN - ORD
DENORD
Denver Intl
Mon 3/23
5:54 pm-9:29 pm
Nonstop2h 35m
Chicago O'Hare Intl
Wed 3/25
9:39 pm-11:30 pm
Nonstop2h 51m
$187
DenverChicago
DEN - ORD
DENORD
Denver Intl
Thu 3/5
1:25 pm-5:00 pm
Nonstop2h 35m
Chicago O'Hare Intl
Sun 3/8
9:39 pm-11:30 pm
Nonstop2h 51m
$193
DenverChicago
DEN - ORD
DENORD
Denver Intl
Thu 4/9
6:00 am-9:37 am
Nonstop2h 37m
Chicago O'Hare Intl
Mon 4/13
8:06 pm-10:05 pm
Nonstop2h 59m
$195
DenverChicago
DEN - ORD
DENORD
Denver Intl
Tue 5/12
12:59 am-8:32 am
1 stop6h 33m
Chicago O'Hare Intl
Sat 6/6
3:55 pm-8:15 pm
1 stop5h 20m
$198
Showing 1-10 of 60 results
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
DRO-ORD
COS-ORD
GJT-ORD
MTJ-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
DRO-ORD
COS-ORD
GJT-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 $86). Flying from Colorado to Chicago O'Hare Intl Airport in December is currently the most expensive (average of $142). 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 February 11, 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 70% on the cost of your flight, compared to a flight at noon.
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 February 7, 2026.
Travelers seeking maximum savings on their Colorado to Chicago O'Hare Intl Airport flight should consider departing on Wednesday 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 locationsSchaumburg
Rosemont
Naperville
Gurnee
Elgin
Hoffman Estates
Beloit
Delavan
Oak Brook
Des Plaines
Downers Grove
Elk Grove Village
Skokie
Libertyville
Lake Geneva
Waukegan
Bridgeview
Kenosha
Warrenville
Aurora
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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 February 11, 2026.
Colorado and O'Hare Intl flights
Browse other Colorado and O'Hare Intl flight options. Last updated on February 11, 2026.
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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 February 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$63 | Average$170 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$126 | Average$191 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$155 | Average$270 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$157 | Average$401 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$158 | Average$434 | FlexibilityNo cancel fee | On-time69% |