$103+ Cheap flights from O'Hare Intl (ORD) to Denver (DEN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DEN
Sep 11 — Sep 181
Round-trip
1 adult, Economy
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Find cheap flights from O'Hare Intl to Denver 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.Cheapflights Tip: The best prices from Chicago O'Hare Intl to Denver Intl are usually found in October or January, booked 85 days in advance, depart on a Wednesday or Saturday and return on a Thursday
Cheap flight deals from O'Hare Intl to Denver
Cheapest
Best
Last-minute
One-way
Cheapest flights from O'Hare Intl to DenverExplore the most affordable flight options available from O'Hare Intl to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 12, 2026.
Explore the most affordable flight options available from O'Hare Intl to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/106:30 am -
Nonstop2h 45m
Thu 9/178:55 pm -
Nonstop2h 28m
Deal found 8/11![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Sat 9/127:11 am -
2 stops15h 13m
Thu 9/178:55 pm -
Nonstop2h 28m
Deal found 8/11![Frontier logo]()
$159
This Frontier deal was found by Cheapflights users on 8/11. 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.
Sat 10/101:52 pm -
1 stop7h 12m
Thu 10/156:30 am -
1 stop12h 58m
Deal found 8/11![Frontier logo]()
$160
This Cheapflightsfares deal was found by Cheapflights users on 8/7. 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.
Fri 8/282:41 pm -
Nonstop3h 04m
Mon 8/3111:59 pm -
1 stop6h 54m
Deal found 8/7![Frontier logo]()
$161
This Super.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/82:41 pm -
Nonstop3h 04m
Tue 9/158:55 pm -
Nonstop2h 28m
Deal found 8/11![Frontier logo]()
$162
This Frontier deal was found by Cheapflights users on 8/7. 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 8/288:11 pm -
1 stop8h 37m
Sat 8/297:00 am -
1 stop7h 59m
Deal found 8/7![Frontier logo]()
$163
This Frontier deal was found by Cheapflights users on 8/11. 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 10/76:00 am -
1 stop11h 01m
Thu 10/156:30 am -
1 stop12h 58m
Deal found 8/11![Frontier logo]()
$164
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/175:55 am -
Nonstop2h 39m
Mon 9/215:30 am -
Nonstop2h 42m
Deal found 8/11![United Airlines logo]()
$165
This Cheapflightsfares deal was found by Cheapflights users on 8/10. 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 9/116:30 am -
Nonstop2h 45m
Sun 9/138:55 pm -
Nonstop2h 28m
Deal found 8/10![Frontier logo]()
$166
This Frontier deal was found by Cheapflights users on 8/7. 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.
Wed 9/96:30 am -
Nonstop2h 45m
Sun 9/138:55 pm -
Nonstop2h 28m
Deal found 8/7![Frontier logo]()
$167
This Cheapflightsfares deal was found by Cheapflights users on 8/9. 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 9/106:30 am -
Nonstop2h 45m
Tue 9/158:55 pm -
Nonstop2h 28m
Deal found 8/9![Frontier logo]()
$168
Best flights from O'Hare Intl to DenverDiscover carefully curated flight deals from O'Hare Intl to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 12, 2026.
Discover carefully curated flight deals from O'Hare Intl to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 12, 2026.
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/35:55 am -
Nonstop2h 39m
Sat 9/57:10 pm -
Nonstop2h 36m
Deal found 8/11![United Airlines logo]()
$171
This Delta deal was found by Cheapflights users on 8/11. 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.
Fri 9/116:24 pm -
1 stop6h 11m
Sun 9/1312:59 am -
1 stop5h 57m
Deal found 8/11![Delta logo]()
$213
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:00 am -
2 stops14h 13m
Thu 9/248:06 pm -
1 stop22h 15m
Deal found 8/11![Alaska Airlines logo]()
$453
This KAYAK deal was found by Cheapflights users on 8/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:50 pm -
1 stop6h 45m
Wed 9/166:30 am -
1 stop5h 29m
Deal found 8/11![Delta logo]()
$272
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Fri 9/2510:00 pm -
Nonstop2h 54m
Sun 9/276:00 am -
Nonstop2h 42m
Deal found 8/10![United Airlines logo]()
$275
This United Airlines deal was found by Cheapflights users on 8/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:45 pm -
Nonstop2h 46m
Wed 9/24:40 pm -
Nonstop2h 41m
Deal found 8/7![United Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Fri 9/45:00 am -
Nonstop2h 39m
Mon 9/76:00 am -
Nonstop2h 43m
Deal found 8/10![United Airlines logo]()
$335
This Delta deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:55 am -
2 stops12h 10m
Tue 9/298:45 am -
1 stop7h 14m
Deal found 8/8![Delta logo]()
$408
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:00 am -
2 stops14h 13m
Wed 9/306:20 am -
2 stops16h 39m
Deal found 8/9![Alaska Airlines logo]()
$493
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:05 am -
1 stop18h 39m
Mon 9/147:08 pm -
2 stops15h 59m
Deal found 8/10![Alaska Airlines logo]()
$498
This Delta deal was found by Cheapflights users on 8/9. 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 8/226:59 am -
1 stop7h 18m
Fri 8/281:00 pm -
1 stop5h 30m
Deal found 8/9![Delta logo]()
$457
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:20 am -
2 stops12h 05m
Thu 10/89:45 am -
1 stop8h 08m
Deal found 8/11![Alaska Airlines logo]()
$520
Last-minute flights from O'Hare Intl to DenverDiscover last-minute flight deals from O'Hare Intl to Denver. Data last updated August 12, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Denver. Data last updated August 12, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 8/7. 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.
Fri 8/282:41 pm -
Nonstop3h 04m
Mon 8/3111:59 pm -
1 stop6h 54m
Deal found 8/7![Frontier logo]()
$161
This Frontier deal was found by Cheapflights users on 8/7. 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 8/288:11 pm -
1 stop8h 37m
Sat 8/297:00 am -
1 stop7h 59m
Deal found 8/7![Frontier logo]()
$163
This Frontier deal was found by Cheapflights users on 8/7. 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.
Sun 9/62:41 pm -
Nonstop3h 04m
Fri 9/118:55 pm -
Nonstop2h 28m
Deal found 8/7![Frontier logo]()
$160
This Super.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/82:41 pm -
Nonstop3h 04m
Tue 9/158:55 pm -
Nonstop2h 28m
Deal found 8/11![Frontier logo]()
$162
This Frontier deal was found by Cheapflights users on 8/7. 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.
Wed 9/96:30 am -
Nonstop2h 45m
Sun 9/138:55 pm -
Nonstop2h 28m
Deal found 8/7![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/106:30 am -
Nonstop2h 45m
Wed 9/168:55 pm -
Nonstop2h 28m
Deal found 8/11![Frontier logo]()
$158
This Cheapflightsfares deal was found by Cheapflights users on 8/9. 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 9/106:30 am -
Nonstop2h 45m
Tue 9/158:55 pm -
Nonstop2h 28m
Deal found 8/9![Frontier logo]()
$168
This Cheapflightsfares deal was found by Cheapflights users on 8/10. 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 9/116:30 am -
Nonstop2h 45m
Sun 9/138:55 pm -
Nonstop2h 28m
Deal found 8/10![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Sat 9/127:11 am -
2 stops15h 13m
Thu 9/178:55 pm -
Nonstop2h 28m
Deal found 8/11![Frontier logo]()
$159
This Booking.com deal was found by Cheapflights users on 8/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/123:50 pm -
1 stop16h 47m
Mon 9/144:11 pm -
1 stop7h 34m
Deal found 8/7![Frontier logo]()
$164
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/175:55 am -
Nonstop2h 39m
Mon 9/215:30 am -
Nonstop2h 42m
Deal found 8/11![United Airlines logo]()
$165
One-way flights from O'Hare Intl to DenverSearch for one-way flight options from O'Hare Intl to Denver. Find affordable one-way fares based on user searches. Data last updated August 12, 2026.
Search for one-way flight options from O'Hare Intl to Denver. Find affordable one-way fares based on user searches. Data last updated August 12, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 8/7. 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.
Mon 10/129:33 pm -
1 stop12h 58m
Deal found 8/7![Frontier logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:41 pm -
Nonstop3h 04m
Deal found 8/7![Frontier logo]()
$104
This American Airlines deal was found by Cheapflights users on 8/11. 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 10/210:30 pm -
Nonstop2h 47m
Deal found 8/11![American Airlines logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/1110:26 am -
1 stop11h 58m
Deal found 8/10![Frontier logo]()
$106
This American Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:15 pm -
Nonstop2h 44m
Deal found 8/7![American Airlines logo]()
$107
This Cheapflightsfares deal was found by Cheapflights users on 8/10. 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 10/26:30 am -
Nonstop2h 45m
Deal found 8/10![Frontier logo]()
$109
This Super.com deal was found by Cheapflights users on 8/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:41 pm -
Nonstop3h 04m
Deal found 8/9![Frontier logo]()
$110
This Booking.com deal was found by Cheapflights users on 8/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:30 am -
Nonstop2h 45m
Deal found 8/10![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Tue 9/11:59 pm -
2 stops14h 49m
Deal found 8/11![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:05 am -
2 stops26h 05m
Deal found 8/7![Frontier logo]()
$114
This Delta deal was found by Cheapflights users on 8/11. 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.
Fri 9/45:20 pm -
1 stop6h 28m
Deal found 8/11![Delta logo]()
$115
Find flight deals from O'Hare Intl to Denver
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $158 (Kiwi.com) |
One-way from | $103 (Cheapflightsfares) |
Popular in | June |
Cheapest in | October |
Average price | $264 |
Good round-trip deal | $234 or less |
Good one-way deal | $152 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl to Denver 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 August 12, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
ChicagoDenver
ORD Chicago O'Hare Intl - DEN Denver Intl
ORDDEN
Chicago O'Hare Intl
Thu 9/3
5:55 am-7:34 am
Nonstop2h 39m
Denver Intl
Sat 9/5
7:10 pm-10:46 pm
Nonstop2h 36m
$171
ChicagoDenver
ORD Chicago O'Hare Intl - DEN Denver Intl
ORDDEN
Chicago O'Hare Intl
Fri 9/11
6:24 pm-11:35 pm
1 stop6h 11m
Denver Intl
Sun 9/13
12:59 am-7:56 am
1 stop5h 57m
$213
ChicagoDenver
ORD Chicago O'Hare Intl - DEN Denver Intl
ORDDEN
Chicago O'Hare Intl
Tue 9/15
5:50 pm-11:35 pm
1 stop6h 45m
Denver Intl
Wed 9/16
6:30 am-12:59 pm
1 stop5h 29m
$272
ChicagoDenver
ORD Chicago O'Hare Intl - DEN Denver Intl
ORDDEN
Chicago O'Hare Intl
Fri 9/25
10:00 pm-11:54 pm
Nonstop2h 54m
Denver Intl
Sun 9/27
6:00 am-9:42 am
Nonstop2h 42m
$275
ChicagoDenver
ORD Chicago O'Hare Intl - DEN Denver Intl
ORDDEN
Chicago O'Hare Intl
Thu 8/27
12:45 pm-2:31 pm
Nonstop2h 46m
Denver Intl
Wed 9/2
4:40 pm-8:21 pm
Nonstop2h 41m
$327
ChicagoDenver
ORD Chicago O'Hare Intl - DEN Denver Intl
ORDDEN
Chicago O'Hare Intl
Fri 9/4
5:00 am-6:39 am
Nonstop2h 39m
Denver Intl
Mon 9/7
6:00 am-9:43 am
Nonstop2h 43m
$335
ChicagoDenver
ORD Chicago O'Hare Intl - DEN Denver Intl
ORDDEN
Chicago O'Hare Intl
Wed 9/23
8:55 am-8:05 pm
2 stops12h 10m
Denver Intl
Tue 9/29
8:45 am-4:59 pm
1 stop7h 14m
$408
ChicagoDenver
ORD Chicago O'Hare Intl - DEN Denver Intl
ORDDEN
Chicago O'Hare Intl
Sat 9/19
8:00 am-9:13 pm
2 stops14h 13m
Denver Intl
Thu 9/24
8:06 pm-7:21 pm
1 stop22h 15m
$453
ChicagoDenver
ORD Chicago O'Hare Intl - DEN Denver Intl
ORDDEN
Chicago O'Hare Intl
Sat 8/22
6:59 am-1:17 pm
1 stop7h 18m
Denver Intl
Fri 8/28
1:00 pm-7:30 pm
1 stop5h 30m
$457
ChicagoDenver
ORD Chicago O'Hare Intl - DEN Denver Intl
ORDDEN
Chicago O'Hare Intl
Sat 9/26
8:00 am-9:13 pm
2 stops14h 13m
Denver Intl
Wed 9/30
6:20 am-11:59 pm
2 stops16h 39m
$493
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from O'Hare Intl to Denver
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Denver in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Denver flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from O'Hare Intl to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from O'Hare Intl with our price prediction graph.
ORD-DEN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago O'Hare Intl Airport to Denver
Prices
Airlines
Delays
How far ahead should I book a flight from Chicago O'Hare Intl Airport to Denver?
The best time to book flights from Chicago O'Hare Intl Airport to Denver is 84 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 month to book a flight from Chicago O'Hare Intl Airport to Denver?
Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Denver (average of $210). Flying from Chicago O'Hare Intl Airport to Denver in June is currently the most expensive (average of $323). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ORD to DEN?
Find hourly flight availability from O'Hare Intl to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 12, 2026.
It’s optimal to fly from Chicago O'Hare Intl Airport to Denver in the evening. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight in the afternoon.
What is the cheapest day to fly from Chicago O'Hare Intl Airport to Denver?
Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Denver. Price data was last updated on August 8, 2026.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Denver flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Chicago to Denver delayed?
About 19% of weekly flights between Chicago and Denver have experienced delays in the past year, with the average delay time being 153 minutes.
What is the most punctual flight time for Chicago to Denver flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to Denver flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 16% of flights being delayed.
The best insider tips for Chicago O'Hare Intl Airport to Denver flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to Denver trip
Our travel experts
Reviews of airlines servicing Denver
Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated August 12, 2026.
Read reviews from past customers who have flown Southwest,United Airlines, andAmerican Airlines from Chicago O'Hare Intl Airport to Denver. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl to Denver. 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 Denver?
Book flights to Denver if you plan to visit one of these locationsThornton
Westminster
Black Hawk
Lakewood
Centennial
Broomfield
Golden
Wheat Ridge
Silverthorne
Central City
Fort Morgan
Cripple Creek
Greeley
Winter Park
Limon
Manitou Springs
Frisco
Englewood
Glendale
Evergreen
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Other flights to Denver
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O'Hare Intl and Denver flights
Browse other O'Hare Intl and Denver flight options. Last updated on August 12, 2026.
Other flights from O'Hare Intl
Browse through other flights departing from O'Hare Intl. Flights are based on user searches made on Cheapflights and were last updated on August 12, 2026.
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Top 6 airlines flying from O'Hare Intl to Denver
Discover the top 6 airlines that operate flights from O'Hare Intl to Denver. 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 August 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$71 | Average$165 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$105 | Average$284 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$145 | Average$223 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$151 | Average$292 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$156 | Average$279 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$170 | Average$307 | FlexibilityNo cancel fee | On-time69% |