$103+ Cheap flights from Denver (DEN) 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ORD
Sep 3 — Sep 101
Round-trip
1 adult, Economy
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Find cheap flights from Denver 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.Cheapflights Tip: The best prices from Denver Intl to Chicago O'Hare Intl are usually found in September or February, booked 77 days in advance, depart on a Thursday or Friday and return on a Wednesday
Cheap flight deals from Denver to O'Hare Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Denver to O'Hare IntlExplore the most affordable flight options available from Denver to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
Explore the most affordable flight options available from Denver to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
This Frontier deal was found by Cheapflights users on 7/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:00 am -
1 stop7h 29m
Mon 11/910:40 pm -
Nonstop2h 49m
Deal found 7/31![Frontier logo]()
$169
This Cheapflightsfares deal was found by Cheapflights users on 7/31. 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 9/174:11 pm -
1 stop7h 34m
Sun 9/206:30 am -
Nonstop2h 45m
Deal found 7/31![Frontier logo]()
$170
This Cheapflightsfares deal was found by Cheapflights users on 8/1. 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 8/289:55 am -
Nonstop2h 41m
Fri 9/49:10 pm -
1 stop11h 57m
Deal found 8/1![Frontier logo]()
$171
This Frontier deal was found by Cheapflights users on 8/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:55 pm -
Nonstop2h 28m
Thu 9/247:28 pm -
1 stop13h 36m
Deal found 8/2![Frontier logo]()
$172
This Frontier deal was found by Cheapflights users on 7/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/229:55 am -
Nonstop2h 41m
Sat 8/292:41 pm -
Nonstop3h 04m
Deal found 7/31![Frontier logo]()
$173
This Booking.com deal was found by Cheapflights users on 8/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:11 pm -
1 stop7h 34m
Mon 9/1410:26 am -
1 stop11h 58m
Deal found 8/4![Frontier logo]()
$174
This Cheapflightsfares deal was found by Cheapflights users on 7/31. 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 9/188:55 pm -
Nonstop2h 28m
Sun 9/206:30 am -
Nonstop2h 45m
Deal found 7/31![Frontier logo]()
$175
This Frontier deal was found by Cheapflights users on 8/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:55 pm -
Nonstop2h 28m
Thu 9/248:55 pm -
1 stop14h 12m
Deal found 8/2![Frontier logo]()
$177
This Cheapflightsfares deal was found by Cheapflights users on 8/4. 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.
Fri 10/166:25 am -
Nonstop2h 36m
Wed 10/2111:06 am -
Nonstop2h 54m
Deal found 8/4![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Fri 8/2110:43 am -
1 stop8h 16m
Thu 8/275:46 pm -
1 stop7h 17m
Deal found 7/31![Frontier logo]()
$179
Best flights from Denver to O'Hare IntlDiscover carefully curated flight deals from Denver to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
Discover carefully curated flight deals from Denver to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
This United Airlines deal was found by Cheapflights users on 8/3. 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 9/52:50 pm -
Nonstop2h 42m
Mon 9/75:00 am -
Nonstop2h 39m
Deal found 8/3![United Airlines logo]()
$225
This Delta deal was found by Cheapflights users on 7/31. 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.
Mon 1/116:45 am -
1 stop4h 52m
Fri 1/157:00 am -
1 stop8h 03m
Deal found 7/31![Delta logo]()
$298
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:08 am -
2 stops14h 51m
Tue 9/12:18 pm -
1 stop7h 55m
Deal found 8/2![Alaska Airlines logo]()
$438
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Tue 9/16:17 pm -
Nonstop2h 42m
Tue 9/89:35 pm -
Nonstop2h 54m
Deal found 8/3![United Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Thu 9/35:47 pm -
Nonstop2h 42m
Sun 9/67:00 am -
Nonstop2h 52m
Deal found 7/31![United Airlines logo]()
$264
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 10/164:40 pm -
Nonstop2h 42m
Sun 10/186:00 am -
Nonstop2h 39m
Deal found 7/30![United Airlines logo]()
$266
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 11/216:05 am -
1 stop6h 54m
Fri 11/279:59 am -
1 stop7h 00m
Deal found 7/30![Delta logo]()
$347
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Fri 9/185:30 am -
Nonstop2h 42m
Sun 9/205:00 am -
Nonstop2h 39m
Deal found 8/3![United Airlines logo]()
$266
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:17 am -
1 stop16h 42m
Thu 9/248:00 am -
2 stops16h 44m
Deal found 8/1![Alaska Airlines logo]()
$451
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Mon 9/288:29 pm -
Nonstop2h 30m
Thu 10/15:00 am -
Nonstop2h 39m
Deal found 7/31![United Airlines logo]()
$312
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:17 am -
1 stop12h 04m
Thu 9/178:00 am -
2 stops16h 44m
Deal found 8/2![Alaska Airlines logo]()
$451
This Alaska Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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.
Wed 9/236:17 am -
2 stops16h 42m
Sat 9/268:00 am -
2 stops14h 13m
Deal found 7/30![Alaska Airlines logo]()
$453
Last-minute flights from Denver to O'Hare IntlDiscover last-minute flight deals from Denver to O'Hare Intl. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to O'Hare Intl. Data last updated August 4, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Fri 8/2110:43 am -
1 stop8h 16m
Thu 8/275:46 pm -
1 stop7h 17m
Deal found 7/31![Frontier logo]()
$179
This Frontier deal was found by Cheapflights users on 7/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/229:55 am -
Nonstop2h 41m
Wed 8/262:41 pm -
Nonstop3h 04m
Deal found 7/31![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Mon 8/249:55 am -
Nonstop2h 41m
Mon 8/248:11 pm -
1 stop8h 37m
Deal found 7/31![Frontier logo]()
$178
This Cheapflightsfares deal was found by Cheapflights users on 8/1. 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 8/289:55 am -
Nonstop2h 41m
Fri 9/49:10 pm -
1 stop11h 57m
Deal found 8/1![Frontier logo]()
$171
This Booking.com deal was found by Cheapflights users on 8/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:11 pm -
1 stop7h 34m
Mon 9/1410:26 am -
1 stop11h 58m
Deal found 8/4![Frontier logo]()
$174
This Cheapflightsfares deal was found by Cheapflights users on 7/31. 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 9/147:45 am -
Nonstop2h 36m
Thu 9/246:30 am -
Nonstop2h 45m
Deal found 7/31![Frontier logo]()
$181
This Cheapflightsfares deal was found by Cheapflights users on 7/31. 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 9/174:11 pm -
1 stop7h 34m
Sun 9/206:30 am -
Nonstop2h 45m
Deal found 7/31![Frontier logo]()
$170
This Cheapflightsfares deal was found by Cheapflights users on 7/31. 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 9/188:55 pm -
Nonstop2h 28m
Sun 9/206:30 am -
Nonstop2h 45m
Deal found 7/31![Frontier logo]()
$175
This Frontier deal was found by Cheapflights users on 8/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:55 pm -
Nonstop2h 28m
Thu 9/248:55 pm -
1 stop14h 12m
Deal found 8/2![Frontier logo]()
$177
This Frontier deal was found by Cheapflights users on 8/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:55 pm -
Nonstop2h 28m
Wed 9/237:28 pm -
1 stop13h 36m
Deal found 8/2![Frontier logo]()
$172
One-way flights from Denver to O'Hare IntlSearch for one-way flight options from Denver to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
Search for one-way flight options from Denver to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/66:22 am -
1 stop17h 27m
Deal found 8/3![Frontier logo]()
$103
This United Airlines deal was found by Cheapflights users on 8/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/261:25 pm -
Nonstop2h 40m
Deal found 8/1![United Airlines logo]()
$107
This Super.com deal was found by Cheapflights users on 8/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/229:55 am -
Nonstop2h 41m
Deal found 8/2![Frontier logo]()
$108
This Cheapflightsfares deal was found by Cheapflights users on 8/3. 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.
Wed 9/29:55 am -
Nonstop2h 41m
Deal found 8/3![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Mon 8/3110:43 am -
1 stop8h 16m
Deal found 7/31![Frontier logo]()
$110
This eDestinos deal was found by Cheapflights users on 8/3. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/239:55 am -
Nonstop2h 41m
Deal found 8/3![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Tue 10/136:00 am -
2 stops17h 24m
Deal found 8/4![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:25 am -
Nonstop2h 36m
Deal found 8/2![Frontier logo]()
$116
This Delta deal was found by Cheapflights users on 8/3. 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.
Sun 9/66:05 am -
1 stop6h 31m
Deal found 8/3![Delta logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Tue 9/156:09 am -
2 stops15h 50m
Deal found 7/31![Frontier logo]()
$118
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Tue 9/88:29 pm -
Nonstop2h 30m
Deal found 8/2![United Airlines logo]()
$119
Find flight deals from Denver to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to O'Hare Intl (ORD). 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 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $169 (Cheapflightsfares) |
One-way from | $103 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $271 |
Good round-trip deal | $272 or less |
Good one-way deal | $171 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Denver 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 August 4, 2026.
Use the filters below to find and compare flights from Denver 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
Sat 9/5
2:50 pm-6:32 pm
Nonstop2h 42m
Chicago O'Hare Intl
Mon 9/7
5:00 am-6:39 am
Nonstop2h 39m
$225
DenverChicago
DEN - ORD
DENORD
Denver Intl
Tue 9/1
6:17 pm-9:59 pm
Nonstop2h 42m
Chicago O'Hare Intl
Tue 9/8
9:35 pm-11:29 pm
Nonstop2h 54m
$237
DenverChicago
DEN - ORD
DENORD
Denver Intl
Thu 9/3
5:47 pm-9:29 pm
Nonstop2h 42m
Chicago O'Hare Intl
Sun 9/6
7:00 am-8:52 am
Nonstop2h 52m
$264
DenverChicago
DEN - ORD
DENORD
Denver Intl
Fri 10/16
4:40 pm-8:22 pm
Nonstop2h 42m
Chicago O'Hare Intl
Sun 10/18
6:00 am-7:39 am
Nonstop2h 39m
$266
DenverChicago
DEN - ORD
DENORD
Denver Intl
Fri 9/18
5:30 am-9:12 am
Nonstop2h 42m
Chicago O'Hare Intl
Sun 9/20
5:00 am-6:39 am
Nonstop2h 39m
$266
DenverChicago
DEN - ORD
DENORD
Denver Intl
Mon 1/11
6:45 am-12:37 pm
1 stop4h 52m
Chicago O'Hare Intl
Fri 1/15
7:00 am-2:03 pm
1 stop8h 03m
$298
Quickest round-trip
DenverChicago
DEN - ORD
DENORD
Denver Intl
Mon 9/28
8:29 pm-11:59 pm
Nonstop2h 30m
Chicago O'Hare Intl
Thu 10/1
5:00 am-6:39 am
Nonstop2h 39m
$312
DenverChicago
DEN - ORD
DENORD
Denver Intl
Sat 11/21
6:05 am-1:59 pm
1 stop6h 54m
Chicago O'Hare Intl
Fri 11/27
9:59 am-3:59 pm
1 stop7h 00m
$347
DenverChicago
DEN - ORD
DENORD
Denver Intl
Thu 8/27
8:08 am-11:59 pm
2 stops14h 51m
Chicago O'Hare Intl
Tue 9/1
2:18 pm-9:13 pm
1 stop7h 55m
$438
DenverChicago
DEN - ORD
DENORD
Denver Intl
Mon 9/14
6:17 am-11:59 pm
1 stop16h 42m
Chicago O'Hare Intl
Thu 9/24
8:00 am-11:44 pm
2 stops16h 44m
$451
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Denver to O'Hare Intl
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 Denver to O'Hare Intl 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*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Denver-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Denver-Chicago O'Hare Intl Airport 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 Denver-Chicago O'Hare Intl Airport 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 Denver to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Denver with our price prediction graph.
DEN-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 Denver to Chicago O'Hare Intl Airport
Prices
Airlines
How far ahead should I book a flight from Denver to Chicago O'Hare Intl Airport?
To ensure you get the cheapest price possible for a flight from Denver to Chicago O'Hare Intl Airport, you should look to book at least 76 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Denver to Chicago O'Hare Intl Airport?
Currently, September is the cheapest month in which you can book a flight from Denver to Chicago O'Hare Intl Airport (average of $240). Flying from Denver to Chicago O'Hare Intl Airport in June is currently the most expensive (average of $348). 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 DEN to ORD?
Find hourly flight availability from Denver 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 August 4, 2026.
A simple way to save on the total cost of your ticket is to fly from Denver to Chicago O'Hare Intl Airport in the evening. If you’re flexible enough to do this you can expect to save up to 55% on your trip compared to booking a flight at noon.
What is the cheapest day to fly from Denver to Chicago O'Hare Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Denver to O'Hare Intl. Price data was last updated on August 1, 2026.
Travelers seeking maximum savings on their Denver to Chicago O'Hare Intl Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Denver to Chicago O'Hare Intl Airport 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 Denver to Chicago O'Hare Intl Airport trip
Our travel experts
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated August 4, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andAmerican Airlines from Denver to Chicago O'Hare Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Related info for your journey
Find useful and relevant information for your journey from Denver 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
Oak Brook
Oakbrook Terrace
Delavan
Gurnee
South Holland
Libertyville
Orland Park
Hoffman Estates
Beloit
Rockford
Aurora
Racine
Great Lakes
Janesville
Joliet
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Other flights to O'Hare Intl
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Top 5 airlines flying from Denver to O'Hare Intl
Discover the top 5 airlines that operate flights from Denver 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 August 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$77 | Average$187 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$126 | Average$281 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$169 | Average$296 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$170 | Average$297 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$180 | Average$363 | FlexibilityNo cancel fee | On-time69% |