$89+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ORD
May 5 — May 121
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 April 5, 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 April 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:30 am
DEN
- ORD
1 stop9h 30m
Frontier
Sat 4/255:50 am
ORD
- DEN
1 stop7h 24m
Frontier
Deal found 4/3![Frontier logo]()
$178
This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:30 am
DEN
- ORD
1 stop9h 30m
Frontier
Sun 4/191:12 pm
ORD
- DEN
1 stop11h 47m
Frontier
Deal found 3/31![Frontier logo]()
$179
This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:06 pm
DEN
- ORD
1 stop24h 55m
Frontier
Sun 5/178:56 pm
ORD
- DEN
1 stop14h 08m
Frontier
Deal found 3/31![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2911:54 pm
DEN
- ORD
1 stop7h 01m
Frontier
Wed 6/34:05 pm
ORD
- DEN
1 stop8h 53m
Frontier
Deal found 4/1![Frontier logo]()
$181
This Super.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/119:00 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Tue 4/148:58 pm
ORD
- DEN
1 stop8h 01m
Frontier
Deal found 3/31![Frontier logo]()
$182
This Cheapflightsfares deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1811:59 pm
DEN
- ORD
1 stop12h 33m
Frontier
Mon 4/2010:55 am
ORD
- DEN
Nonstop3h 03m
Frontier
Deal found 4/3![Frontier logo]()
$183
This Cheapflightsfares deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:06 pm
DEN
- ORD
1 stop24h 55m
Frontier
Sun 5/244:05 pm
ORD
- DEN
1 stop8h 53m
Frontier
Deal found 4/1![Frontier logo]()
$184
This Cheapflightsfares deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:15 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Sat 8/299:48 pm
ORD
- DEN
Nonstop3h 06m
Frontier
Deal found 4/3![Frontier logo]()
$185
This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/254:59 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Fri 5/299:42 pm
ORD
- DEN
Nonstop3h 10m
Frontier
Deal found 3/31![Frontier logo]()
$186
This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/214:59 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Mon 5/259:42 pm
ORD
- DEN
Nonstop3h 10m
Frontier
Deal found 3/31![Frontier logo]()
$187
This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/34:59 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Sun 6/74:05 pm
ORD
- DEN
1 stop17h 01m
Frontier
Deal found 3/31![Frontier logo]()
$188
This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:00 am
DEN
- ORD
1 stop15h 01m
Frontier
Mon 6/89:42 pm
ORD
- DEN
Nonstop3h 10m
Frontier
Deal found 3/31![Frontier logo]()
$189
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 April 5, 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 April 5, 2026.
This Southwest deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:25 am
DEN
- ORD
Nonstop2h 35m
Southwest
Sat 4/253:05 pm
ORD
- DEN
Nonstop3h 00m
Southwest
Deal found 4/1![Southwest logo]()
$211
This United Airlines deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/187:10 pm
DEN
- ORD
Nonstop2h 39m
United Airlines
Sun 7/265:00 am
ORD
- DEN
Nonstop2h 42m
United Airlines
Deal found 4/3![United Airlines logo]()
$245
This Delta deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:55 am
DEN
- ORD
1 stop6h 01m
Delta
Mon 10/53:50 pm
ORD
- DEN
1 stop7h 39m
Delta
Deal found 4/3![Delta logo]()
$265
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/84:58 pm
GJT
- ORD
1 stop5h 50m
American Airlines
Fri 5/83:00 pm
ORD
- GJT
1 stop8h 41m
American Airlines
Deal found 3/31![American Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2811:25 am
DEN
- ORD
Nonstop2h 35m
Southwest
Thu 4/303:45 pm
ORD
- DEN
2 stops9h 00m
Southwest
Deal found 4/3![Southwest logo]()
$236
This United Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:50 pm
DEN
- ORD
Nonstop2h 38m
United Airlines
Sun 4/2611:03 pm
ORD
- DEN
Nonstop2h 55m
United Airlines
Deal found 4/2![United Airlines logo]()
$259
This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1610:10 am
DEN
- ORD
2 stops11h 10m
Southwest
Mon 5/188:00 am
ORD
- DEN
1 stop8h 10m
Southwest
Deal found 3/31![Southwest logo]()
$244
This United Airlines deal was found by Cheapflights users on 4/4. 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.
Sat 4/2511:15 am
DEN
- ORD
Nonstop2h 37m
United Airlines
Sun 4/2611:03 pm
ORD
- DEN
Nonstop2h 55m
United Airlines
Deal found 4/4![United Airlines logo]()
$259
This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:25 am
DEN
- ORD
1 stop5h 50m
Southwest
Tue 5/511:55 am
ORD
- DEN
2 stops11h 40m
Southwest
Deal found 3/31![Southwest logo]()
$248
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:45 am
GJT
- ORD
2 stops12h 40m
Delta
Mon 5/48:15 am
ORD
- GJT
2 stops14h 39m
Delta
Deal found 3/31![Delta logo]()
$309
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:05 am
DEN
- ORD
2 stops8h 25m
Southwest
Mon 5/112:40 pm
ORD
- DEN
2 stops9h 20m
Southwest
Deal found 4/2![Southwest logo]()
$251
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/303:28 pm
DRO
- ORD
1 stop5h 11m
United Airlines
Wed 6/35:00 am
ORD
- DRO
1 stop5h 33m
United Airlines
Deal found 3/31![United Airlines logo]()
$288
This American Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2212:51 pm
ASE
- ORD
1 stop8h 19m
American Airlines
Sun 5/241:25 pm
ORD
- ASE
1 stop7h 53m
American Airlines
Deal found 4/2![American Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:00 am
COS
- ORD
2 stops11h 05m
Delta
Fri 5/297:07 am
ORD
- COS
1 stop6h 41m
Delta
Deal found 3/31![Delta logo]()
$370
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/21:43 pm
MTJ
- ORD
1 stop5h 41m
United Airlines
Sat 5/92:20 pm
ORD
- MTJ
1 stop6h 58m
United Airlines
Deal found 3/31![United Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/208:00 am
EGE
- ORD
1 stop8h 44m
American Airlines
Tue 5/266:00 am
ORD
- EGE
1 stop8h 31m
American Airlines
Deal found 3/31![American Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/191:55 pm
COS
- ORD
1 stop7h 32m
Delta
Wed 5/2711:09 am
ORD
- COS
2 stops11h 18m
Delta
Deal found 3/31![Delta logo]()
$370
This United Airlines deal was found by Cheapflights users on 4/4. 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 4/306:57 pm
COS
- ORD
1 stop5h 01m
United Airlines
Sat 5/212:40 pm
ORD
- COS
1 stop4h 51m
United Airlines
Deal found 4/4![United Airlines logo]()
$312
This Southwest deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:30 am
COS
- ORD
1 stop6h 20m
Southwest
Sat 5/23:05 pm
ORD
- COS
1 stop6h 40m
Southwest
Deal found 4/3![Southwest logo]()
$312
This Delta deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:40 pm
COS
- ORD
1 stop9h 17m
Delta
Mon 10/51:15 pm
ORD
- COS
1 stop9h 00m
Delta
Deal found 4/2![Delta logo]()
$371
This American Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/122:12 pm
EGE
- ORD
1 stop6h 00m
American Airlines
Mon 6/1511:40 am
ORD
- EGE
1 stop8h 24m
American Airlines
Deal found 4/2![American Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:45 am
MTJ
- ORD
1 stop5h 15m
Southwest
Thu 5/78:00 am
ORD
- MTJ
2 stops12h 10m
Southwest
Deal found 4/2![Southwest logo]()
$314
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:05 pm
DRO
- ORD
1 stop5h 39m
United Airlines
Fri 6/55:00 am
ORD
- DRO
1 stop5h 33m
United Airlines
Deal found 3/31![United Airlines logo]()
$318
This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:30 am
MTJ
- ORD
1 stop4h 50m
Southwest
Sat 5/97:00 am
ORD
- MTJ
2 stops12h 50m
Southwest
Deal found 3/31![Southwest logo]()
$314
This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/161:33 pm
ASE
- ORD
1 stop9h 26m
Delta
Mon 4/205:15 am
ORD
- ASE
1 stop7h 23m
Delta
Deal found 4/1![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/263:25 pm
MTJ
- ORD
1 stop6h 54m
United Airlines
Mon 7/69:04 am
ORD
- MTJ
Nonstop3h 39m
United Airlines
Deal found 3/31![United Airlines logo]()
$348
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2712:45 pm
GUC
- ORD
1 stop6h 36m
American Airlines
Sun 7/56:04 am
ORD
- GUC
1 stop7h 01m
American Airlines
Deal found 3/31![American Airlines logo]()
$478
This Southwest deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/69:10 am
COS
- ORD
1 stop8h 40m
Southwest
Sun 5/108:00 am
ORD
- COS
2 stops12h 30m
Southwest
Deal found 4/3![Southwest logo]()
$336
This United Airlines deal was found by Cheapflights users on 4/4. 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.
Fri 9/256:00 pm
ASE
- ORD
1 stop4h 57m
United Airlines
Tue 9/298:45 am
ORD
- ASE
Nonstop3h 19m
United Airlines
Deal found 4/4![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/45:04 pm
DRO
- ORD
1 stop13h 27m
American Airlines
Thu 5/76:57 am
ORD
- DRO
1 stop15h 26m
American Airlines
Deal found 4/3![American Airlines logo]()
$480
Last-minute flights from Colorado to O'Hare IntlDiscover last-minute flight deals from Colorado to O'Hare Intl. Data last updated April 5, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to O'Hare Intl. Data last updated April 5, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/49:00 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Wed 4/84:34 pm
ORD
- DEN
1 stop7h 30m
Frontier
Deal found 4/1![Frontier logo]()
$189
This Super.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/119:00 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Tue 4/148:58 pm
ORD
- DEN
1 stop8h 01m
Frontier
Deal found 3/31![Frontier logo]()
$182
This Frontier deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/119:00 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Thu 4/164:28 pm
ORD
- DEN
1 stop7h 01m
Frontier
Deal found 4/3![Frontier logo]()
$185
This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:30 am
DEN
- ORD
1 stop9h 30m
Frontier
Sun 4/191:12 pm
ORD
- DEN
1 stop11h 47m
Frontier
Deal found 3/31![Frontier logo]()
$179
This Cheapflightsfares deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1811:59 pm
DEN
- ORD
1 stop12h 33m
Frontier
Mon 4/2010:55 am
ORD
- DEN
Nonstop3h 03m
Frontier
Deal found 4/3![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:30 am
DEN
- ORD
1 stop9h 30m
Frontier
Sat 4/255:50 am
ORD
- DEN
1 stop7h 24m
Frontier
Deal found 4/3![Frontier logo]()
$178
This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:06 pm
DEN
- ORD
1 stop24h 55m
Frontier
Sun 5/178:56 pm
ORD
- DEN
1 stop14h 08m
Frontier
Deal found 3/31![Frontier logo]()
$180
This Cheapflightsfares deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:06 pm
DEN
- ORD
1 stop24h 55m
Frontier
Sun 5/244:05 pm
ORD
- DEN
1 stop8h 53m
Frontier
Deal found 4/1![Frontier logo]()
$184
This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/214:59 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Mon 5/259:42 pm
ORD
- DEN
Nonstop3h 10m
Frontier
Deal found 3/31![Frontier logo]()
$187
This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/254:59 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Fri 5/299:42 pm
ORD
- DEN
Nonstop3h 10m
Frontier
Deal found 3/31![Frontier logo]()
$186
This Cheapflightsfares deal was found by Cheapflights users on 4/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/254:54 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Sat 5/309:37 pm
ORD
- DEN
Nonstop3h 07m
Frontier
Deal found 4/4![Frontier logo]()
$188
This Frontier deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2911:54 pm
DEN
- ORD
1 stop7h 01m
Frontier
Wed 6/34:05 pm
ORD
- DEN
1 stop8h 53m
Frontier
Deal found 4/1![Frontier logo]()
$181
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 April 5, 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 April 5, 2026.
This Super.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:29 pm
DEN
- ORD
1 stop6h 39m
Frontier
Deal found 4/1![Frontier logo]()
$89
This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/187:00 am
DEN
- ORD
1 stop7h 43m
Frontier
Deal found 3/31![Frontier logo]()
$90
This Frontier deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1711:54 pm
DEN
- ORD
1 stop7h 01m
Frontier
Deal found 4/4![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1410:00 am
DEN
- ORD
1 stop12h 01m
Frontier
Deal found 4/4![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:05 am
DEN
- ORD
1 stop8h 58m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$93
This Super.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1911:05 pm
DEN
- ORD
1 stop24h 50m
Frontier
Deal found 4/1![Frontier logo]()
$94
This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1010:00 am
DEN
- ORD
1 stop8h 55m
Frontier
Deal found 3/31![Frontier logo]()
$95
This Cheapflightsfares deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/610:39 pm
DEN
- ORD
1 stop30h 28m
Frontier
Deal found 4/1![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/293:07 pm
DEN
- ORD
2 stops13h 28m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/3111:54 pm
DEN
- ORD
1 stop7h 01m
Frontier
Deal found 4/3![Frontier logo]()
$98
This Frontier deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/84:59 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Deal found 4/1![Frontier logo]()
$99
This Cheapflightsfares deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:00 am
DEN
- ORD
1 stop22h 34m
Frontier
Deal found 4/3![Frontier logo]()
$100
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 April 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $178 (Kiwi.com) |
One-way from | $89 (Super.com) |
Popular in | March |
Cheapest in | August |
Average price | $262 |
Good round-trip deal | $229 or less |
Good one-way deal | $149 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 April 5, 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 4/22
11:25 am-3:00 pm
Nonstop2h 35m
Chicago O'Hare Intl
Sat 4/25
3:05 pm-5:05 pm
Nonstop3h 00m
$211
DenverChicago
DEN - ORD
DENORD
Denver Intl
Tue 4/28
11:25 am-3:00 pm
Nonstop2h 35m
Chicago O'Hare Intl
Thu 4/30
3:45 pm-11:45 pm
2 stops9h 00m
$236
DenverChicago
DEN - ORD
DENORD
Denver Intl
Sat 5/16
10:10 am-10:20 pm
2 stops11h 10m
Chicago O'Hare Intl
Mon 5/18
8:00 am-3:10 pm
1 stop8h 10m
$244
Quickest round-trip
DenverChicago
DEN - ORD
DENORD
Denver Intl
Sat 7/18
7:10 pm-10:49 pm
Nonstop2h 39m
Chicago O'Hare Intl
Sun 7/26
5:00 am-6:42 am
Nonstop2h 42m
$245
DenverChicago
DEN - ORD
DENORD
Denver Intl
Sun 5/3
6:25 am-1:15 pm
1 stop5h 50m
Chicago O'Hare Intl
Tue 5/5
11:55 am-10:35 pm
2 stops11h 40m
$248
DenverChicago
DEN - ORD
DENORD
Denver Intl
Thu 5/7
6:05 am-3:30 pm
2 stops8h 25m
Chicago O'Hare Intl
Mon 5/11
2:40 pm-11:00 pm
2 stops9h 20m
$251
DenverChicago
DEN - ORD
DENORD
Denver Intl
Thu 4/23
7:50 pm-11:28 pm
Nonstop2h 38m
Chicago O'Hare Intl
Sun 4/26
11:03 pm-12:58 am
Nonstop2h 55m
$259
DenverChicago
DEN - ORD
DENORD
Denver Intl
Sat 4/25
11:15 am-2:52 pm
Nonstop2h 37m
Chicago O'Hare Intl
Sun 4/26
11:03 pm-12:58 am
Nonstop2h 55m
$259
DenverChicago
DEN - ORD
DENORD
Denver Intl
Wed 9/30
12:55 am-7:56 am
1 stop6h 01m
Chicago O'Hare Intl
Mon 10/5
3:50 pm-10:29 pm
1 stop7h 39m
$265
DurangoChicago
DRO - ORD
DROORD
Durango La Plata County
Sat 5/30
3:28 pm-9:39 pm
1 stop5h 11m
Chicago O'Hare Intl
Wed 6/3
5:00 am-9:33 am
1 stop5h 33m
$288
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
GJT-ORD
DRO-ORD
ASE-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
GJT-ORD
DRO-ORD
ASE-ORD
What is the cheapest month to book a flight from Colorado to Chicago O'Hare Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Colorado to Chicago O'Hare Intl Airport (average of $89). Flying from Colorado to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $170). 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 April 5, 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 67% 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 April 4, 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.
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 April 5, 2026.
The most flights from USCO to ORD are scheduled on a Friday (60 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (27 on average).
How much does it cost to fly round-trip from Colorado to Chicago O'Hare Intl Airport?
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
Lake Geneva
Gurnee
Hoffman Estates
Naperville
Delavan
Downers Grove
Des Plaines
Elgin
Oakbrook Terrace
Oak Brook
South Holland
Elk Grove Village
Libertyville
Warrenville
Bridgeview
Beloit
Great Lakes
Lansing
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 April 5, 2026.
Colorado and O'Hare Intl flights
Browse other Colorado and O'Hare Intl flight options. Last updated on April 5, 2026.
Popular flight searches
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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 April 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$177 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$126 | Average$191 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$155 | Average$262 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$157 | Average$413 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$164 | Average$439 | FlexibilityNo cancel fee | On-time69% |