$259+ Cheap flights from Ontario to Dayton (ONT - DAY)
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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DAY
Jul 5 — Jul 121
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Dayton 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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Dayton
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Cheapest flights from Ontario to DaytonExplore the most affordable flight options available from Ontario to Dayton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 5, 2026.
Explore the most affordable flight options available from Ontario to Dayton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 5, 2026.
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:00 am
ONT
- DAY
1 stop7h 49m
Delta
Mon 10/262:55 pm
DAY
- ONT
1 stop10h 19m
Delta
Deal found 6/2![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2412:00 pm
ONT
- DAY
1 stop8h 14m
Delta
Mon 10/266:00 am
DAY
- ONT
2 stops13h 12m
Delta
Deal found 6/2![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 6/5. 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 6/2810:00 pm
ONT
- DAY
1 stop9h 38m
Delta
Sat 7/46:40 am
DAY
- ONT
2 stops13h 01m
Delta
Deal found 6/5![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 6/3. 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.
Tue 7/2110:00 pm
ONT
- DAY
1 stop9h 30m
Delta
Fri 7/313:56 pm
DAY
- ONT
1 stop8h 54m
Delta
Deal found 6/3![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 5/31. 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.
Wed 8/191:18 pm
ONT
- DAY
1 stop6h 26m
United Airlines
Mon 8/246:00 pm
DAY
- ONT
1 stop7h 35m
United Airlines
Deal found 5/31![United Airlines logo]()
$398
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1410:00 pm
ONT
- DAY
1 stop9h 30m
Delta
Tue 7/213:56 pm
DAY
- ONT
1 stop8h 54m
Delta
Deal found 5/31![Delta logo]()
$404
This Delta deal was found by Cheapflights users on 6/3. 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.
Tue 7/2110:00 pm
ONT
- DAY
1 stop9h 30m
Delta
Thu 7/306:00 am
DAY
- ONT
1 stop7h 38m
Delta
Deal found 6/3![Delta logo]()
$414
Best flights from Ontario to DaytonDiscover carefully curated flight deals from Ontario to Dayton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 5, 2026.
Discover carefully curated flight deals from Ontario to Dayton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 5, 2026.
This Delta deal was found by Cheapflights users on 6/3. 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.
Sat 10/2412:00 pm
ONT
- DAY
1 stop8h 14m
Delta
Mon 10/262:55 pm
DAY
- ONT
1 stop10h 19m
Delta
Deal found 6/3![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 6/3. 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 11/101:00 pm
ONT
- DAY
1 stop6h 29m
United Airlines
Sat 11/141:45 pm
DAY
- ONT
2 stops9h 35m
United Airlines
Deal found 6/3![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:59 pm
ONT
- DAY
1 stop8h 28m
Delta
Mon 10/262:55 pm
DAY
- ONT
1 stop10h 19m
Delta
Deal found 5/31![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 6/5. 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 6/2810:00 pm
ONT
- DAY
1 stop9h 38m
Delta
Sat 7/46:40 am
DAY
- ONT
1 stop7h 00m
Delta
Deal found 6/5![Delta logo]()
$359
Last-minute flights from Ontario to DaytonDiscover last-minute flight deals from Ontario to Dayton. Data last updated June 5, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Dayton. Data last updated June 5, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2810:00 pm
ONT
- DAY
1 stop9h 38m
Delta
Sat 7/46:40 am
DAY
- ONT
2 stops13h 01m
Delta
Deal found 6/4![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1410:00 pm
ONT
- DAY
1 stop9h 30m
Delta
Tue 7/213:56 pm
DAY
- ONT
1 stop8h 54m
Delta
Deal found 5/31![Delta logo]()
$404
This Delta deal was found by Cheapflights users on 6/3. 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 7/1910:00 pm
ONT
- DAY
1 stop9h 30m
Delta
Tue 7/286:00 am
DAY
- ONT
1 stop7h 38m
Delta
Deal found 6/3![Delta logo]()
$438
This Delta deal was found by Cheapflights users on 6/3. 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.
Mon 7/2010:00 pm
ONT
- DAY
1 stop9h 30m
Delta
Fri 7/313:56 pm
DAY
- ONT
1 stop8h 54m
Delta
Deal found 6/3![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 6/3. 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.
Tue 7/2110:00 pm
ONT
- DAY
1 stop9h 30m
Delta
Tue 7/286:00 am
DAY
- ONT
1 stop7h 38m
Delta
Deal found 6/3![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 6/3. 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.
Tue 7/2110:00 pm
ONT
- DAY
1 stop9h 30m
Delta
Fri 7/313:56 pm
DAY
- ONT
1 stop8h 54m
Delta
Deal found 6/3![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 6/3. 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.
Tue 7/2110:00 pm
ONT
- DAY
1 stop9h 30m
Delta
Thu 7/306:00 am
DAY
- ONT
1 stop7h 38m
Delta
Deal found 6/3![Delta logo]()
$414
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:00 pm
ONT
- DAY
1 stop9h 30m
Delta
Fri 7/313:56 pm
DAY
- ONT
1 stop8h 54m
Delta
Deal found 6/3![Delta logo]()
$429
One-way flights from Ontario to DaytonSearch for one-way flight options from Ontario to Dayton. Find affordable one-way fares based on user searches. Data last updated June 5, 2026.
Search for one-way flight options from Ontario to Dayton. Find affordable one-way fares based on user searches. Data last updated June 5, 2026.
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Tue 6/301:18 pm
ONT
- DAY
1 stop6h 37m
United Airlines
Deal found 6/1![United Airlines logo]()
$259
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/79:55 am
ONT
- DAY
2 stops10h 19m
Delta
Deal found 6/3![Delta logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Wed 8/1210:49 am
ONT
- DAY
3 stops49h 35m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Wed 10/72:55 pm
ONT
- DAY
3 stops39h 06m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$283
This American Airlines deal was found by Cheapflights users on 6/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:00 am
ONT
- DAY
1 stop8h 14m
American Airlines
Deal found 6/4![American Airlines logo]()
$290
This American Airlines deal was found by Cheapflights users on 6/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/62:15 pm
ONT
- DAY
1 stop6h 29m
American Airlines
Deal found 6/4![American Airlines logo]()
$294
This Delta deal was found by Cheapflights users on 6/5. 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 8/310:00 pm
ONT
- DAY
1 stop9h 40m
Delta
Deal found 6/5![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 6/3. 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.
Wed 7/296:10 am
ONT
- DAY
1 stop8h 20m
United Airlines
Deal found 6/3![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 6/3. 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.
Thu 7/97:05 am
ONT
- DAY
1 stop7h 45m
Delta
Deal found 6/3![Delta logo]()
$310
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:10 am
ONT
- DAY
1 stop8h 20m
United Airlines
Deal found 6/4![United Airlines logo]()
$324
This United Airlines deal was found by Cheapflights users on 6/3. 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.
Wed 8/125:00 am
ONT
- DAY
2 stops12h 24m
United Airlines
Deal found 6/3![United Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Mon 6/291:18 pm
ONT
- DAY
1 stop6h 37m
United Airlines
Deal found 6/1![United Airlines logo]()
$330
Find flight deals from Ontario to Dayton
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Dayton (DAY). 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 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $349 (Delta) |
One-way from | $259 (United Airlines) |
Popular in | January |
Cheapest in | September |
Average price | $484 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Dayton 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 5, 2026.
Use the filters below to find and compare flights from Ontario to Dayton that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioDayton
ONT - DAY
ONTDAY
Ontario
Sat 10/24
12:00 pm-11:14 pm
1 stop8h 14m
Dayton
Mon 10/26
2:55 pm-10:14 pm
1 stop10h 19m
$349
OntarioDayton
ONT - DAY
ONTDAY
Ontario
Fri 10/23
10:59 pm-10:27 am
1 stop8h 28m
Dayton
Mon 10/26
2:55 pm-10:14 pm
1 stop10h 19m
$349
OntarioDayton
ONT - DAY
ONTDAY
Ontario
Sun 6/28
10:00 pm-10:38 am
1 stop9h 38m
Dayton
Sat 7/4
6:40 am-10:40 am
1 stop7h 00m
$359
Quickest round-trip
OntarioDayton
ONT - DAY
ONTDAY
Ontario
Tue 11/10
1:00 pm-10:29 pm
1 stop6h 29m
Dayton
Sat 11/14
1:45 pm-8:20 pm
2 stops9h 35m
$454
Cheapest one-way
OntarioDayton
ONT - DAY
ONTDAY
Ontario
Tue 6/30
1:18 pm-10:55 pm
1 stop6h 37m
$259
OntarioDayton
ONT - DAY
ONTDAY
Ontario
Wed 10/7
10:59 pm-10:27 am
1 stop8h 28m
$259
OntarioDayton
ONT - DAY
ONTDAY
Ontario
Thu 7/9
7:05 am-5:50 pm
1 stop7h 45m
$310
OntarioDayton
ONT - DAY
ONTDAY
Ontario
Sat 8/8
6:10 am-5:30 pm
1 stop8h 20m
$324
OntarioDayton
ONT - DAY
ONTDAY
Ontario
Mon 6/22
10:00 pm-10:38 am
1 stop9h 38m
$370
OntarioDayton
ONT - DAY
ONTDAY
Ontario
Mon 6/29
1:18 pm-10:55 pm
1 stop6h 37m
$380
Showing 1-10 of 12 resultsSorted by cheapest first
Compare providers for flights from Ontario to Dayton
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 Ontario to Dayton in June.
| 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 Ontario-Dayton flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Dayton flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Dayton flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Dayton 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 Ontario-Dayton 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 Ontario to Dayton
Have a flexible travel schedule? Discover the best time to fly to Dayton from Ontario with our price prediction graph.
ONT-DAY
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 Ontario to Dayton
What is the cheapest month to book a flight from Ontario to Dayton?
Currently, September is the cheapest month in which you can book a flight from Ontario to Dayton (average of $301). Flying from Ontario to Dayton in January is currently the most expensive (average of $626). 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.
How much does it cost to fly round-trip from Ontario to Dayton?
Reviews of airlines servicing Dayton
Get insights into the airlines that provide service to Dayton. 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 Dayton. Reviews last updated June 5, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Ontario to Dayton have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Related info for your journey
Find useful and relevant information for your journey from Ontario to Dayton. 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 locationsHuber Heights
Springfield
Troy
Greenville
Xenia
Miamisburg
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Ontario to Dayton
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Complete your trip
Complete your trip to Dayton by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Dayton
Explore flights to Dayton departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 5, 2026.
Search flights from Ontario to Dayton by cabin class
Find flights from Ontario to Dayton, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Dayton flights
Browse other Ontario and Dayton flight options. Last updated on June 5, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on June 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Ontario to Dayton
Discover the top 3 airlines that operate flights from Ontario to Dayton. 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 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$216 | Average$363 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$288 | Average$449 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$313 | Average$538 | FlexibilityNo cancel fee | On-time71% |