$144+ Cheap flights from Dayton (DAY) to O'Hare Intl (ORD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — ORD
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Find cheap flights from Dayton 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 Dayton to Chicago O'Hare Intl are usually found in December or October, booked 78 days in advance, depart on a Friday or Saturday and return on a Friday
Cheap flight deals from Dayton to O'Hare Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Dayton to O'Hare IntlExplore the most affordable flight options available from Dayton to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from Dayton to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/309:04 pm -
1 stop19h 33m
Mon 11/168:00 am -
1 stop11h 24m
Deal found 9/15![Multiple Airlines logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/194:20 pm -
1 stop24h 10m
Fri 10/308:00 am -
1 stop11h 24m
Deal found 9/14![Multiple Airlines logo]()
$257
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 10/247:00 am -
Nonstop1h 37m
Tue 10/276:10 pm -
Nonstop1h 39m
Deal found 9/11![United Airlines logo]()
$267
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/2211:32 am -
Nonstop1h 28m
Sat 10/249:30 pm -
Nonstop1h 29m
Deal found 9/11![United Airlines logo]()
$268
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/711:32 am -
Nonstop1h 28m
Sun 10/118:40 am -
Nonstop1h 17m
Deal found 9/10![United Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:30 am -
Nonstop1h 29m
Tue 11/38:40 am -
Nonstop1h 18m
Deal found 9/12![United Airlines logo]()
$287
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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.
Sun 10/117:00 am -
Nonstop1h 37m
Sat 10/1711:20 am -
Nonstop1h 23m
Deal found 9/13![United Airlines logo]()
$288
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/166:30 pm -
Nonstop1h 38m
Mon 10/1910:00 pm -
Nonstop1h 26m
Deal found 9/14![American Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:25 am -
Nonstop1h 37m
Sun 9/278:40 am -
Nonstop1h 17m
Deal found 9/10![United Airlines logo]()
$299
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 9/297:09 pm -
Nonstop1h 53m
Sat 10/39:15 pm -
Nonstop1h 23m
Deal found 9/11![American Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:35 am -
1 stop6h 47m
Tue 10/279:40 am -
Nonstop1h 25m
Deal found 9/11![American Airlines logo]()
$311
Best flights from Dayton to O'Hare IntlDiscover carefully curated flight deals from Dayton to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from Dayton to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/2211:32 am -
Nonstop1h 28m
Sat 10/249:30 pm -
Nonstop1h 29m
Deal found 9/11![United Airlines logo]()
$268
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:30 am -
Nonstop1h 29m
Sun 10/1110:00 pm -
Nonstop1h 26m
Deal found 9/10![American Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 12/1811:05 am -
Nonstop1h 38m
Sat 1/29:27 pm -
Nonstop1h 29m
Deal found 9/12![United Airlines logo]()
$288
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/87:00 am -
Nonstop1h 37m
Sun 10/118:40 am -
Nonstop1h 17m
Deal found 9/13![United Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:10 am -
Nonstop1h 41m
Sun 11/2911:55 pm -
Nonstop1h 35m
Deal found 9/15![United Airlines logo]()
$331
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 9/265:58 pm -
Nonstop1h 32m
Sun 9/278:40 am -
Nonstop1h 17m
Deal found 9/14![United Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/211:32 am -
Nonstop1h 28m
Sun 10/49:30 pm -
Nonstop1h 28m
Deal found 9/10![United Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 9/259:00 am -
Nonstop1h 37m
Sun 9/278:40 am -
Nonstop1h 17m
Deal found 9/14![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 9/11. 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 11/57:10 am -
Nonstop1h 41m
Sun 11/86:10 pm -
Nonstop1h 39m
Deal found 9/11![United Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/31:35 pm -
Nonstop1h 24m
Tue 3/169:30 pm -
Nonstop1h 14m
Deal found 9/12![United Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/45:10 am -
Nonstop1h 45m
Tue 3/166:55 am -
Nonstop1h 18m
Deal found 9/12![United Airlines logo]()
$358
Last-minute flights from Dayton to O'Hare IntlDiscover last-minute flight deals from Dayton to O'Hare Intl. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Dayton to O'Hare Intl. Data last updated September 15, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:25 am -
Nonstop1h 37m
Sun 9/278:40 am -
Nonstop1h 17m
Deal found 9/10![United Airlines logo]()
$299
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 9/297:09 pm -
Nonstop1h 53m
Sat 10/39:15 pm -
Nonstop1h 23m
Deal found 9/11![American Airlines logo]()
$304
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/711:32 am -
Nonstop1h 28m
Sun 10/118:40 am -
Nonstop1h 17m
Deal found 9/10![United Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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.
Sun 10/117:00 am -
Nonstop1h 37m
Sat 10/1711:20 am -
Nonstop1h 23m
Deal found 9/13![United Airlines logo]()
$288
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/166:30 pm -
Nonstop1h 38m
Mon 10/1910:00 pm -
Nonstop1h 26m
Deal found 9/14![American Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/194:20 pm -
1 stop24h 10m
Fri 10/308:00 am -
1 stop11h 24m
Deal found 9/14![Multiple Airlines logo]()
$257
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/2211:32 am -
Nonstop1h 28m
Sat 10/249:30 pm -
Nonstop1h 29m
Deal found 9/11![United Airlines logo]()
$268
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 10/247:00 am -
Nonstop1h 37m
Tue 10/276:10 pm -
Nonstop1h 39m
Deal found 9/11![United Airlines logo]()
$267
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:35 am -
1 stop6h 47m
Tue 10/279:40 am -
Nonstop1h 25m
Deal found 9/11![American Airlines logo]()
$311
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:30 am -
Nonstop1h 29m
Tue 11/38:40 am -
Nonstop1h 18m
Deal found 9/12![United Airlines logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/309:04 pm -
1 stop19h 33m
Mon 11/168:00 am -
1 stop11h 24m
Deal found 9/15![Multiple Airlines logo]()
$202
One-way flights from Dayton to O'Hare IntlSearch for one-way flight options from Dayton to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from Dayton to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 11/169:04 pm -
2 stops16h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Mon 11/99:04 pm -
2 stops16h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 11/139:04 pm -
2 stops25h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 10/124:20 pm -
1 stop24h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 12/1112:37 pm -
2 stops19h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/79:13 am -
1 stop10h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$170
Find flight deals from Dayton to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Dayton (DAY) 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 September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $202 (Kiwi.com) |
One-way from | $144 (Kiwi.com) |
Popular in | July |
Cheapest in | December |
Average price | $310 |
Good round-trip deal | $365 or less |
Good one-way deal | $313 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Dayton 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 7,457,451 searches. Data last updated September 15, 2026.
Use the filters below to find and compare flights from Dayton to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
DaytonChicago
DAY Dayton - ORD Chicago O'Hare Intl
DAYORD
Dayton
Sat 10/10
11:32 am-12:00 pm
Nonstop1h 28m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$249
DaytonChicago
DAY Dayton - ORD Chicago O'Hare Intl
DAYORD
Dayton
Sat 12/12
1:32 pm-2:08 pm
Nonstop1h 36m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$259
DaytonChicago
DAY Dayton - ORD Chicago O'Hare Intl
DAYORD
Dayton
Thu 10/22
11:32 am-12:00 pm
Nonstop1h 28m
Chicago O'Hare Intl
Sat 10/24
9:30 pm-11:59 pm
Nonstop1h 29m
$268
DaytonChicago
DAY Dayton - ORD Chicago O'Hare Intl
DAYORD
Dayton
Fri 10/9
6:30 am-6:59 am
Nonstop1h 29m
Chicago O'Hare Intl
Sun 10/11
10:00 pm-12:26 am
Nonstop1h 26m
$269
DaytonChicago
DAY Dayton - ORD Chicago O'Hare Intl
DAYORD
Dayton
Fri 12/18
11:05 am-11:43 am
Nonstop1h 38m
Chicago O'Hare Intl
Sat 1/2
9:27 pm-11:56 pm
Nonstop1h 29m
$288
DaytonChicago
DAY Dayton - ORD Chicago O'Hare Intl
DAYORD
Dayton
Thu 12/17
11:05 am-11:43 am
Nonstop1h 38m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$289
DaytonChicago
DAY Dayton - ORD Chicago O'Hare Intl
DAYORD
Dayton
Fri 12/11
6:10 pm-6:38 pm
Nonstop1h 28m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$289
DaytonChicago
DAY Dayton - ORD Chicago O'Hare Intl
DAYORD
Dayton
Sun 10/11
9:00 am-9:37 am
Nonstop1h 37m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$289
DaytonChicago
DAY Dayton - ORD Chicago O'Hare Intl
DAYORD
Dayton
Tue 11/17
6:07 pm-6:43 pm
Nonstop1h 36m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$289
DaytonChicago
DAY Dayton - ORD Chicago O'Hare Intl
DAYORD
Dayton
Thu 10/8
7:00 am-7:37 am
Nonstop1h 37m
Chicago O'Hare Intl
Sun 10/11
8:40 am-10:57 am
Nonstop1h 17m
$289
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Dayton 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 Dayton to O'Hare Intl in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Dayton-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 Dayton-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dayton-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Dayton-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 Dayton-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 Dayton to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Dayton with our price prediction graph.
DAY-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 Dayton to Chicago O'Hare Intl Airport
Prices
Airlines
How far ahead should I book a flight from Dayton to Chicago O'Hare Intl Airport?
The best time to book flights from Dayton to Chicago O'Hare Intl Airport is 36 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 Dayton to Chicago O'Hare Intl Airport?
Currently, December is the cheapest month in which you can book a flight from Dayton to Chicago O'Hare Intl Airport (average of $234). Flying from Dayton to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $392). 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 DAY to ORD?
Find hourly flight availability from Dayton 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 September 15, 2026.
When flying from Dayton to Chicago O'Hare Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 33% versus a flight at noon.
What is the cheapest day to fly from Dayton to Chicago O'Hare Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Dayton to O'Hare Intl. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their Dayton to Chicago O'Hare Intl Airport flight should consider departing on Friday evenings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Dayton 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 Dayton 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 September 15, 2026.
Read through reviews of airlines operating flights from Dayton to Chicago O'Hare Intl Airport, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Crew
8.1
Food
6.7
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Crew
8.1
Food
6.7
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Crew
8.1
Food
6.7
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from Dayton 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
Des Plaines
Lake Geneva
Naperville
Glenview
Schaumburg
Oakbrook Terrace
Delavan
Oak Brook
Libertyville
Rockford
Hoffman Estates
Aurora
Beloit
Orland Park
South Holland
Elgin
Racine
Janesville
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Top 2 airlines flying from Dayton to O'Hare Intl
Discover the top 2 airlines that operate flights from Dayton 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 7,457,451 searches. Data last updated September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$276 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$179 | Average$329 | FlexibilityNo cancel fee | On-time69% |