$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 10 — Jul 171
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
Best
Last-minute
One-way
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 10, 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 10, 2026.
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 6/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/295:05 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Tue 7/149:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 6/8![Frontier logo]()
$182
This Cheapflightsfares 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 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
Wed 7/89:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 6/7![Frontier logo]()
$183
This Flightnetwork 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 Flightnetwork 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 6/9![Frontier logo]()
$184
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.
Fri 7/35:05 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Wed 7/89:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 6/7![Frontier logo]()
$185
This Cheapflightsfares deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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
Wed 7/159:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 6/6![Frontier logo]()
$186
This Frontier 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 Frontier 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
Sat 7/49:48 pm
ORD
- DEN
Nonstop3h 06m
Frontier
Deal found 6/9![Frontier logo]()
$187
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:15 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Mon 8/249:48 pm
ORD
- DEN
Nonstop3h 06m
Frontier
Deal found 6/9![Frontier logo]()
$188
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:15 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Sat 8/229:48 pm
ORD
- DEN
Nonstop3h 06m
Frontier
Deal found 6/8![Frontier logo]()
$189
This Frontier 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 Frontier 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 6/9![Frontier 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 Super.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/295:05 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Tue 6/309:48 pm
ORD
- DEN
Nonstop3h 06m
Frontier
Deal found 6/5![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 10, 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 10, 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 6/9. 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 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.
Thu 7/165:06 pm
DRO
- ORD
1 stop6h 44m
American Airlines
Tue 7/215:00 am
ORD
- DRO
1 stop7h 17m
American Airlines
Deal found 6/9![American Airlines logo]()
$382
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/19:05 pm
DEN
- ORD
Nonstop2h 39m
United Airlines
Sun 7/56:00 am
ORD
- DEN
Nonstop2h 41m
United Airlines
Deal found 6/5![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.
Fri 10/28:55 am
DEN
- ORD
1 stop6h 57m
Delta
Mon 10/1911:30 am
ORD
- DEN
1 stop7h 00m
Delta
Deal found 6/8![Delta logo]()
$243
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 United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/89:05 pm
DEN
- ORD
Nonstop2h 39m
United Airlines
Tue 7/149:50 pm
ORD
- DEN
Nonstop2h 58m
United Airlines
Deal found 6/6![United Airlines logo]()
$245
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/248:34 pm
DEN
- ORD
Nonstop2h 23m
United Airlines
Fri 11/275:00 am
ORD
- DEN
Nonstop2h 42m
United Airlines
Deal found 6/5![United Airlines logo]()
$255
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.
Sun 7/1212:59 am
DEN
- ORD
1 stop6h 00m
Delta
Tue 7/215:54 pm
ORD
- DEN
1 stop6h 33m
Delta
Deal found 6/10![Delta logo]()
$261
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 8/295:48 pm
DEN
- ORD
Nonstop2h 42m
United Airlines
Tue 9/16:00 am
ORD
- DEN
Nonstop2h 39m
United Airlines
Deal found 6/6![United Airlines logo]()
$255
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 10/76:45 am
DEN
- ORD
1 stop4h 52m
Delta
Sun 10/1111:30 am
ORD
- DEN
1 stop7h 00m
Delta
Deal found 6/8![Delta logo]()
$275
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 7/309:05 pm
DEN
- ORD
Nonstop2h 39m
United Airlines
Sun 8/25:00 am
ORD
- DEN
Nonstop2h 41m
United Airlines
Deal found 6/9![United Airlines logo]()
$265
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.
Sat 7/184:29 pm
DEN
- ORD
Nonstop2h 45m
United Airlines
Sun 7/195:00 am
ORD
- DEN
Nonstop2h 41m
United Airlines
Deal found 6/9![United Airlines logo]()
$265
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 7/1712:45 pm
GUC
- ORD
1 stop7h 37m
American Airlines
Mon 7/205:00 am
ORD
- GUC
1 stop8h 02m
American Airlines
Deal found 6/9![American Airlines logo]()
$445
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 Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:27 am
COS
- ORD
1 stop5h 14m
Delta
Mon 8/243:31 pm
ORD
- COS
1 stop7h 07m
Delta
Deal found 6/4![Delta logo]()
$347
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:07 pm
GJT
- ORD
1 stop4h 52m
United Airlines
Sun 8/237:00 am
ORD
- GJT
1 stop4h 44m
United Airlines
Deal found 6/4![United Airlines logo]()
$299
This American Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/412:45 pm
GUC
- ORD
1 stop8h 47m
American Airlines
Fri 7/105:00 am
ORD
- GUC
1 stop8h 02m
American Airlines
Deal found 6/6![American Airlines logo]()
$464
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:21 pm
COS
- ORD
1 stop6h 29m
Delta
Mon 8/242:12 pm
ORD
- COS
2 stops9h 16m
Delta
Deal found 6/4![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:34 pm
DRO
- ORD
1 stop7h 26m
United Airlines
Sat 8/296:00 am
ORD
- DRO
1 stop4h 36m
United Airlines
Deal found 6/5![United Airlines logo]()
$318
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 8/78:10 am
COS
- ORD
1 stop9h 09m
Delta
Mon 8/106:00 am
ORD
- COS
1 stop5h 47m
Delta
Deal found 6/7![Delta logo]()
$371
This KAYAK deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:50 am
EGE
- ORD
1 stop7h 01m
American Airlines
Thu 7/236:04 am
ORD
- EGE
1 stop8h 28m
American Airlines
Deal found 6/4![American Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 6/306:05 pm
DRO
- ORD
1 stop5h 39m
United Airlines
Sat 7/116:59 am
ORD
- DRO
1 stop6h 29m
United Airlines
Deal found 6/6![United Airlines logo]()
$324
This KAYAK deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/212:12 pm
EGE
- ORD
1 stop8h 27m
American Airlines
Wed 7/2211:00 am
ORD
- EGE
1 stop8h 50m
American Airlines
Deal found 6/4![American Airlines logo]()
$509
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:53 pm
GJT
- ORD
2 stops12h 37m
Delta
Fri 8/141:59 pm
ORD
- GJT
1 stop5h 19m
Delta
Deal found 6/4![Delta logo]()
$390
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2912:11 pm
COS
- ORD
Nonstop2h 45m
United Airlines
Fri 7/315:00 am
ORD
- COS
1 stop4h 41m
United Airlines
Deal found 6/5![United Airlines logo]()
$329
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 7/228:10 am
COS
- ORD
2 stops7h 49m
Delta
Tue 8/46:40 am
ORD
- COS
1 stop6h 35m
Delta
Deal found 6/7![Delta logo]()
$410
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 United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:00 pm
DRO
- ORD
1 stop4h 59m
United Airlines
Mon 8/315:51 pm
ORD
- DRO
1 stop5h 09m
United Airlines
Deal found 6/5![United Airlines logo]()
$352
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.
Thu 7/96:16 pm
COS
- ORD
2 stops12h 43m
Delta
Tue 7/146:30 am
ORD
- COS
1 stop4h 57m
Delta
Deal found 6/9![Delta logo]()
$451
Last-minute flights from Colorado to O'Hare IntlDiscover last-minute flight deals from Colorado to O'Hare Intl. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to O'Hare Intl. Data last updated June 10, 2026 and is based on user searches.
This Frontier 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 Frontier 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
Sat 7/49:48 pm
ORD
- DEN
Nonstop3h 06m
Frontier
Deal found 6/9![Frontier logo]()
$187
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/295:05 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Tue 7/149:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 6/8![Frontier logo]()
$182
This Super.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/295:05 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Tue 6/309:48 pm
ORD
- DEN
Nonstop3h 06m
Frontier
Deal found 6/5![Frontier logo]()
$193
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 6/7. 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.
Fri 7/35:05 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Wed 7/89:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 6/7![Frontier logo]()
$185
This Frontier 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 Frontier 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 6/9![Frontier logo]()
$191
This Cheapflightsfares 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 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
Wed 7/89:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 6/7![Frontier logo]()
$183
This Frontier 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 Frontier 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
Sat 7/119:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 6/9![Frontier logo]()
$194
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 Flightnetwork 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 Flightnetwork 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 6/9![Frontier logo]()
$184
This Cheapflightsfares deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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
Wed 7/159:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 6/6![Frontier logo]()
$186
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.
Wed 7/225:15 pm
COS
- ORD
1 stop6h 35m
American Airlines
Tue 8/410:00 am
ORD
- COS
Nonstop2h 52m
American Airlines
Deal found 6/9![American Airlines logo]()
$289
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 10, 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 10, 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 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.
Tue 8/46:05 am
DEN
- ORD
1 stop6h 03m
Delta
Deal found 6/9![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 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 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 6/9. 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.
Tue 6/309:05 pm
DEN
- ORD
Nonstop2h 39m
United Airlines
Deal found 6/9![United Airlines logo]()
$109
This Super.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 8/125:05 pm
DEN
- ORD
Nonstop2h 47m
Frontier
Deal found 6/6![Frontier logo]()
$111
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/165:05 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Deal found 6/7![Frontier logo]()
$112
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
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.
Sat 8/86:05 am
DEN
- ORD
1 stop6h 45m
Delta
Deal found 6/9![Delta logo]()
$113
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.
Mon 6/295:05 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Deal found 6/8![Frontier logo]()
$116
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 8/56:32 pm
COS
- ORD
1 stop5h 12m
United Airlines
Deal found 6/8![United Airlines logo]()
$122
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 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $181 (Super.com) |
One-way from | $92 (Trip.com) |
Popular in | March |
Cheapest in | August |
Average price | $259 |
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 10, 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
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 7/1
9:05 pm-12:44 am
Nonstop2h 39m
Chicago O'Hare Intl
Sun 7/5
6:00 am-7:41 am
Nonstop2h 41m
$241
DenverChicago
DEN - ORD
DENORD
Denver Intl
Fri 10/2
8:55 am-4:52 pm
1 stop6h 57m
Chicago O'Hare Intl
Mon 10/19
11:30 am-5:30 pm
1 stop7h 00m
$243
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 7/8
9:05 pm-12:44 am
Nonstop2h 39m
Chicago O'Hare Intl
Tue 7/14
9:50 pm-11:48 pm
Nonstop2h 58m
$245
Quickest round-trip
DenverChicago
DEN - ORD
DENORD
Denver Intl
Tue 11/24
8:34 pm-11:57 pm
Nonstop2h 23m
Chicago O'Hare Intl
Fri 11/27
5:00 am-6:42 am
Nonstop2h 42m
$255
DenverChicago
DEN - ORD
DENORD
Denver Intl
Sat 8/29
5:48 pm-9:30 pm
Nonstop2h 42m
Chicago O'Hare Intl
Tue 9/1
6:00 am-7:39 am
Nonstop2h 39m
$255
DenverChicago
DEN - ORD
DENORD
Denver Intl
Sun 7/12
12:59 am-7:59 am
1 stop6h 00m
Chicago O'Hare Intl
Tue 7/21
5:54 pm-11:27 pm
1 stop6h 33m
$261
DenverChicago
DEN - ORD
DENORD
Denver Intl
Thu 7/30
9:05 pm-12:44 am
Nonstop2h 39m
Chicago O'Hare Intl
Sun 8/2
5:00 am-6:41 am
Nonstop2h 41m
$265
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
DRO-ORD
GUC-ORD
EGE-ORD
COS-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
GUC-ORD
EGE-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 10, 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 10, 2026.
The most flights from USCO to ORD are scheduled on a Wednesday (70 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (40 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 May 30, 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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
O'Hare Intl flight routes
Other flight options
Popular flights
Top destinations
Alternative routes for Colorado to O'Hare Intl
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to O'Hare Intl by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Colorado to O'Hare Intl by cabin class
Find flights from Colorado to O'Hare Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 10, 2026.
Colorado and O'Hare Intl flights
Browse other Colorado and O'Hare Intl flight options. Last updated on June 10, 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 10, 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$272 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$167 | Average$407 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$175 | Average$453 | FlexibilityNo cancel fee | On-time69% |