Qatar Airways allows one carry-on item only in economy class.
Qatar Airways' business class offers pajamas, private pods, and anytime dining.
$139+ Cheap flights from Dayton (DAY) 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — ORD
Jun 17 — Jun 241
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 May or September, booked 67 days in advance, depart on a Thursday or Friday and return on a Friday
Cheap 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 June 12, 2025.
Round-trip from | $179 (American Airlines) |
|---|---|
One-way from | $139 (Mytrip) |
Popular in | January |
Cheapest in | May |
Average price | $289 |
Good round-trip deal | $322 or less |
Good one-way deal | $254 or less |
Find flight deals from Dayton to O'Hare Intl
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 June 12, 2025.
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 June 12, 2025.
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/712:43 pmDAY - ORD
Nonstop1h 26mAmerican Airlines
Tue 8/129:45 amORD - DAY
Nonstop1h 17mAmerican Airlines
Deal found 6/12![American Airlines logo]()
$179
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1011:49 amDAY - ORD
Nonstop1h 25mUnited Airlines
Thu 7/1710:55 amORD - DAY
Nonstop1h 23mUnited Airlines
Deal found 6/10![United Airlines logo]()
$208
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/109:30 pmDAY - ORD
2 stops25h 00mMultiple Airlines
Mon 7/148:50 amORD - DAY
1 stop10h 48mMultiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$326
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/291:15 pmDAY - ORD
1 stop11h 38mDelta
Tue 11/46:00 amORD - DAY
1 stop8h 14mDelta
Deal found 6/10![Delta logo]()
$345
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 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Dayton to Chicago O'Hare Intl Airport that are best for you.
Fly from
Dayton
Fly to
O'Hare Intl
Route
Depart
Return
Price
DaytonChicago
DAY - ORD
DAYORD
Dayton
Thu 8/7
12:43 pm-1:09 pm
Nonstop1h 26m
Chicago O'Hare Intl
Tue 8/12
9:45 am-12:02 pm
Nonstop1h 17m
$179
DaytonChicago
DAY - ORD
DAYORD
Dayton
Thu 7/10
11:49 am-12:14 pm
Nonstop1h 25m
Chicago O'Hare Intl
Thu 7/17
10:55 am-1:18 pm
Nonstop1h 23m
$208
DaytonChicago
DAY - ORD
DAYORD
Dayton
Thu 7/10
9:30 pm-9:30 pm
2 stops25h 00m
Chicago O'Hare Intl
Mon 7/14
8:50 am-8:38 pm
1 stop10h 48m
$326
DaytonChicago
DAY - ORD
DAYORD
Dayton
Wed 10/29
1:15 pm-11:53 pm
1 stop11h 38m
Chicago O'Hare Intl
Tue 11/4
6:00 am-3:14 pm
1 stop8h 14m
$345
DaytonChicago
DAY - ORD
DAYORD
Dayton
Sun 8/3
9:30 pm-9:30 pm
2 stops25h 00m
$139
DaytonChicago
DAY - ORD
DAYORD
Dayton
Fri 8/8
7:18 pm-8:40 am
1 stop14h 22m
$179
DaytonChicago
DAY - ORD
DAYORD
Dayton
Thu 10/16
12:47 pm-1:14 pm
Nonstop1h 27m
$192
DaytonChicago
DAY - ORD
DAYORD
Dayton
Sun 10/5
7:21 am-7:51 am
Nonstop1h 30m
$219
The best insider tips for Dayton to Chicago O'Hare Intl Airport flights
Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Dayton to Chicago O'Hare Intl Airport trip
Airlines
![Qatar Airways]()
Qatar Airways
![United Airlines]()
United Airlines
Basic Economy allows a personal item only, no carry-on bags, unless exceptions apply.
Prepay for checked bags 24 hours before to save on fees.
Our travel experts
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.
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
How far ahead should I book a flight from Dayton to Chicago O'Hare Intl Airport?
Use this chart to determine the optimal time to book a round-trip flight from Dayton to O'Hare Intl. Price data was last updated on June 9, 2025.
The best time to book flights from Dayton to Chicago O'Hare Intl Airport is 65 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, August is the cheapest month in which you can book a flight from Dayton to Chicago O'Hare Intl Airport (average of $245). Flying from Dayton to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 June 12, 2025.
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 19% 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 June 8, 2025.
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. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Dayton to Chicago O'Hare Intl Airport
Explore weekly flight availability from Dayton to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.
The most flights from DAY to ORD are scheduled on a Tuesday (28 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 on average).
Rainfall in O'Hare Intl by month
Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.
Temperature in O'Hare Intl by month
Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).
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 June 12, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and American Airlines from Dayton to Chicago by reading reviews from past customers. 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.
Boarding
8.2
Comfort
7.9
Food
7.3
Overall
8.0
Entertainment
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Boarding
8.2
Comfort
7.9
Food
7.3
Overall
8.0
Entertainment
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Boarding
8.2
Comfort
7.9
Food
7.3
Overall
8.0
Entertainment
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Boarding
8.2
Comfort
7.9
Food
7.3
Overall
8.0
Entertainment
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
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 Dayton?
Book flights to Dayton if you plan to visit one of these locationsSchaumburg
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Alternative routes for Dayton to O'Hare Intl
See prices for flight routes from nearby airports that may be better suited for you.
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 2,558,603 searches. Data last updated June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$288 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$190 | Average$300 | FlexibilityNo cancel fee | On-time69% |