$218+ Cheap flights from Ontario to Dayton (ONT - DAY)
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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DAY
Nov 5 — Nov 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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Best
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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 October 6, 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 October 6, 2026.
This American Airlines deal was found by Cheapflights users on 10/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3110:25 am -
1 stop7h 39m
Sat 11/71:40 pm -
1 stop8h 02m
Deal found 10/3![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 10/4. 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.
Thu 11/2612:18 pm -
1 stop6h 44m
Mon 12/143:22 pm -
1 stop9h 33m
Deal found 10/4![Delta logo]()
$449
This American Airlines deal was found by Cheapflights users on 10/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:34 pm -
2 stops12h 02m
Mon 10/266:29 pm -
1 stop8h 23m
Deal found 10/2![American Airlines logo]()
$483
This United Airlines deal was found by Cheapflights users on 10/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:29 pm -
1 stop6h 13m
Tue 11/38:00 am -
1 stop7h 33m
Deal found 10/5![United Airlines logo]()
$499
This American Airlines deal was found by Cheapflights users on 10/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:34 pm -
2 stops12h 02m
Sat 10/2412:13 pm -
2 stops9h 30m
Deal found 10/1![American Airlines logo]()
$505
This United Airlines deal was found by Cheapflights users on 10/3. 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.
Thu 10/81:24 pm -
1 stop6h 22m
Sat 11/78:00 am -
1 stop7h 33m
Deal found 10/3![United Airlines logo]()
$506
This American Airlines deal was found by Cheapflights users on 10/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:05 pm -
2 stops8h 21m
Mon 10/265:52 pm -
1 stop8h 07m
Deal found 10/2![American Airlines logo]()
$513
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 October 6, 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 October 6, 2026.
This American Airlines deal was found by Cheapflights users on 10/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3110:25 am -
1 stop7h 39m
Sat 11/71:40 pm -
1 stop8h 02m
Deal found 10/3![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 10/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:29 pm -
1 stop6h 13m
Tue 11/38:00 am -
1 stop7h 33m
Deal found 10/5![United Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 10/3. 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 12/97:00 am -
1 stop7h 02m
Sun 12/138:37 am -
1 stop6h 57m
Deal found 10/3![United Airlines logo]()
$564
This American Airlines deal was found by Cheapflights users on 10/6. 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 10/2412:43 pm -
1 stop7h 51m
Mon 10/265:52 pm -
1 stop8h 07m
Deal found 10/6![American Airlines logo]()
$566
Last-minute flights from Ontario to DaytonDiscover last-minute flight deals from Ontario to Dayton. Data last updated October 6, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Dayton. Data last updated October 6, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/3. 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.
Thu 10/81:24 pm -
1 stop6h 22m
Sat 11/78:00 am -
1 stop7h 33m
Deal found 10/3![United Airlines logo]()
$506
This American Airlines deal was found by Cheapflights users on 10/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:34 pm -
2 stops12h 02m
Sat 10/2412:13 pm -
2 stops9h 30m
Deal found 10/1![American Airlines logo]()
$505
This American Airlines deal was found by Cheapflights users on 10/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:34 pm -
2 stops12h 02m
Mon 10/266:29 pm -
1 stop8h 23m
Deal found 10/2![American Airlines logo]()
$483
This American Airlines deal was found by Cheapflights users on 10/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:05 pm -
2 stops8h 21m
Mon 10/265:52 pm -
1 stop8h 07m
Deal found 10/2![American Airlines logo]()
$513
This American Airlines deal was found by Cheapflights users on 10/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3110:25 am -
1 stop7h 39m
Sat 11/71:40 pm -
1 stop8h 02m
Deal found 10/3![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 10/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:29 pm -
1 stop6h 13m
Tue 11/38:00 am -
1 stop7h 33m
Deal found 10/5![United Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 10/4. 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.
Thu 11/2612:18 pm -
1 stop6h 44m
Mon 12/143:22 pm -
1 stop9h 33m
Deal found 10/4![Delta logo]()
$449
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 October 6, 2026.
Search for one-way flight options from Ontario to Dayton. Find affordable one-way fares based on user searches. Data last updated October 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:33 pm -
3 stops47h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Multiple Airlines logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 10/4. 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.
Wed 11/252:01 pm -
3 stops42h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 10/4. 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.
Sun 10/256:15 am -
3 stops35h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Multiple Airlines logo]()
$312
This United Airlines deal was found by Cheapflights users on 10/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:29 pm -
1 stop6h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![United Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 10/4. 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.
Wed 11/256:00 am -
2 stops11h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![United Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:52 am -
3 stops29h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Multiple Airlines logo]()
$333
This American Airlines deal was found by Cheapflights users on 10/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2611:10 pm -
1 stop8h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![American Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 10/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:03 pm -
2 stops14h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Delta logo]()
$360
This United Airlines deal was found by Cheapflights users on 10/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:24 pm -
1 stop6h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![United Airlines logo]()
$379
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 October 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $379 (American Airlines) |
One-way from | $218 (Kiwi.com) |
Popular in | January |
Cheapest in | February |
Average price | $348 |
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 7,457,451 searches. Data last updated October 6, 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 Ontario - DAY Dayton
ONTDAY
Ontario
Wed 11/25
2:01 pm-11:48 am
3 stops42h 47m
Dayton
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$304
Quickest round-trip
OntarioDayton
ONT Ontario - DAY Dayton
ONTDAY
Ontario
Wed 11/25
1:29 pm-10:42 pm
1 stop6h 13m
Dayton
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$344
OntarioDayton
ONT Ontario - DAY Dayton
ONTDAY
Ontario
Sun 10/25
11:15 pm-10:38 am
1 stop8h 23m
Dayton
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$355
OntarioDayton
ONT Ontario - DAY Dayton
ONTDAY
Ontario
Mon 10/26
5:03 pm-10:38 am
2 stops14h 35m
Dayton
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$360
OntarioDayton
ONT Ontario - DAY Dayton
ONTDAY
Ontario
Thu 10/22
1:24 pm-10:46 pm
1 stop6h 22m
Dayton
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$379
OntarioDayton
ONT Ontario - DAY Dayton
ONTDAY
Ontario
Sat 10/31
10:25 am-9:04 pm
1 stop7h 39m
Dayton
Sat 11/7
1:40 pm-6:42 pm
1 stop8h 02m
$379
OntarioDayton
ONT Ontario - DAY Dayton
ONTDAY
Ontario
Sat 10/24
8:03 am-10:46 pm
2 stops11h 43m
Dayton
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$384
OntarioDayton
ONT Ontario - DAY Dayton
ONTDAY
Ontario
Fri 12/18
6:00 am-4:14 pm
1 stop7h 14m
Dayton
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$399
OntarioDayton
ONT Ontario - DAY Dayton
ONTDAY
Ontario
Sun 3/7
6:00 am-10:25 pm
2 stops13h 25m
Dayton
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$445
OntarioDayton
ONT Ontario - DAY Dayton
ONTDAY
Ontario
Mon 12/7
5:45 am-10:21 pm
2 stops13h 36m
Dayton
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$448
Showing 1-10 of 14 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 October.
| 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, February is the cheapest month in which you can book a flight from Ontario to Dayton (average of $339). 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?
Airfare is typical for this route at the moment.
Ontario to Dayton flights typically cost between $343 and $443 in October.The cheapest round-trip price found within the last 5 days was $379 on American Airlines (Oct 31-Nov 7).
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 October 6, 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.
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
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 locationsSpringfield
Greenville
Huber Heights
Miamisburg
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Complete your trip
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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 October 6, 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 October 6, 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 October 6, 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 7,457,451 searches. Data last updated October 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$288 | Average$363 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$288 | Average$490 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$339 | Average$555 | FlexibilityNo cancel fee | On-time71% |