$200+ Cheap flights from Dayton to Ontario (DAY - ONT)
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 — ONT
Nov 19 — Nov 261
Round-trip
1 adult, Economy
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Find cheap flights from Dayton to Ontario 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 Dayton to Ontario
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Best
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One-way
Cheapest flights from Dayton to OntarioExplore the most affordable flight options available from Dayton to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2026.
Explore the most affordable flight options available from Dayton to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2026.
This Delta deal was found by Cheapflights users on 10/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:00 am -
1 stop8h 03m
Thu 12/312:20 pm -
1 stop7h 48m
Deal found 10/15![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Thu 11/52:50 pm -
2 stops10h 58m
Sat 11/71:29 pm -
1 stop6h 13m
Deal found 10/15![United Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 10/16. 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 11/216:29 pm -
1 stop8h 30m
Tue 11/242:09 pm -
1 stop6h 16m
Deal found 10/16![American Airlines logo]()
$412
This United Airlines deal was found by Cheapflights users on 10/16. 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 11/18:00 am -
1 stop7h 33m
Sat 11/141:29 pm -
1 stop6h 13m
Deal found 10/16![United Airlines logo]()
$414
This American Airlines deal was found by Cheapflights users on 10/16. 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 10/311:36 pm -
1 stop8h 08m
Sat 11/146:30 am -
2 stops11h 34m
Deal found 10/16![American Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 10/16. 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 10/316:00 am -
1 stop8h 06m
Sat 11/1412:18 pm -
1 stop6h 44m
Deal found 10/16![Delta logo]()
$444
This American Airlines deal was found by Cheapflights users on 10/16. 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 10/318:34 am -
1 stop8h 10m
Wed 11/412:42 pm -
1 stop7h 44m
Deal found 10/16![American Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 10/16. 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 10/3111:33 am -
2 stops9h 28m
Wed 11/41:29 pm -
1 stop6h 13m
Deal found 10/16![United Airlines logo]()
$454
Best flights from Dayton to OntarioDiscover carefully curated flight deals from Dayton to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 20, 2026.
Discover carefully curated flight deals from Dayton to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 20, 2026.
This Delta deal was found by Cheapflights users on 10/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:00 am -
1 stop8h 03m
Thu 12/312:20 pm -
1 stop7h 48m
Deal found 10/15![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 10/14. 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 2/131:35 pm -
1 stop7h 47m
Wed 2/171:00 pm -
1 stop6h 24m
Deal found 10/14![United Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 10/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:00 am -
1 stop8h 03m
Thu 11/2612:18 pm -
1 stop6h 44m
Deal found 10/15![Delta logo]()
$449
This United Airlines deal was found by Cheapflights users on 10/14. 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 2/1311:39 am -
1 stop9h 43m
Fri 2/191:00 pm -
1 stop6h 24m
Deal found 10/14![United Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 10/18. 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 12/58:37 am -
1 stop6h 57m
Wed 12/96:40 pm -
2 stops12h 35m
Deal found 10/18![United Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 10/16. 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 11/58:00 am -
1 stop7h 33m
Sun 11/81:29 pm -
1 stop6h 13m
Deal found 10/16![United Airlines logo]()
$553
This United Airlines deal was found by Cheapflights users on 10/17. 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 12/178:00 am -
1 stop7h 42m
Tue 1/59:45 am -
2 stops11h 14m
Deal found 10/17![United Airlines logo]()
$570
Last-minute flights from Dayton to OntarioDiscover last-minute flight deals from Dayton to Ontario. Data last updated October 20, 2026 and is based on user searches.
Discover last-minute flight deals from Dayton to Ontario. Data last updated October 20, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/16. 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 10/311:36 pm -
1 stop8h 08m
Sat 11/146:30 am -
2 stops11h 34m
Deal found 10/16![American Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 10/16. 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 10/316:00 am -
1 stop8h 06m
Sat 11/1412:18 pm -
1 stop6h 44m
Deal found 10/16![Delta logo]()
$444
This American Airlines deal was found by Cheapflights users on 10/16. 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 10/318:34 am -
1 stop8h 10m
Wed 11/412:42 pm -
1 stop7h 44m
Deal found 10/16![American Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 10/16. 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 10/3111:33 am -
2 stops9h 28m
Wed 11/41:29 pm -
1 stop6h 13m
Deal found 10/16![United Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 10/16. 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 11/18:00 am -
1 stop7h 33m
Sat 11/141:29 pm -
1 stop6h 13m
Deal found 10/16![United Airlines logo]()
$414
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Thu 11/52:50 pm -
2 stops10h 58m
Sat 11/71:29 pm -
1 stop6h 13m
Deal found 10/15![United Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 10/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:00 am -
1 stop8h 03m
Thu 12/312:20 pm -
1 stop7h 48m
Deal found 10/15![Delta logo]()
$379
This American Airlines deal was found by Cheapflights users on 10/16. 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 11/216:29 pm -
1 stop8h 30m
Tue 11/242:09 pm -
1 stop6h 16m
Deal found 10/16![American Airlines logo]()
$412
One-way flights from Dayton to OntarioSearch for one-way flight options from Dayton to Ontario. Find affordable one-way fares based on user searches. Data last updated October 20, 2026.
Search for one-way flight options from Dayton to Ontario. Find affordable one-way fares based on user searches. Data last updated October 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 11/168:55 pm -
3 stops40h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Multiple Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 11/138:55 pm -
3 stops53h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Multiple Airlines logo]()
$237
This American Airlines deal was found by Cheapflights users on 10/16. 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 12/16:37 am -
1 stop9h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![American Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 10/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:22 pm -
1 stop9h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Delta logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
Sun 11/152:38 pm -
3 stops36h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Multiple Airlines logo]()
$386
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Thu 10/298:00 am -
1 stop7h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![United Airlines logo]()
$389
Find flight deals from Dayton to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Dayton (DAY) to Ontario (ONT). 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 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $379 (Delta) |
One-way from | $200 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $453 |
Cheapflights Fare Finder
Customize your flight search to find flights from Dayton to Ontario 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 20, 2026.
Use the filters below to find and compare flights from Dayton to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DaytonOntario
DAY Dayton - ONT Ontario
DAYONT
Dayton
Tue 12/1
6:26 pm-11:20 pm
1 stop7h 54m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$329
DaytonOntario
DAY Dayton - ONT Ontario
DAYONT
Dayton
Wed 11/18
3:22 pm-8:54 pm
1 stop8h 32m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$329
DaytonOntario
DAY Dayton - ONT Ontario
DAYONT
Dayton
Wed 11/11
6:00 am-11:03 am
1 stop8h 03m
Ontario
Thu 12/3
12:20 pm-11:08 pm
1 stop7h 48m
$379
DaytonOntario
DAY Dayton - ONT Ontario
DAYONT
Dayton
Tue 11/17
2:10 pm-6:47 pm
1 stop7h 37m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$389
DaytonOntario
DAY Dayton - ONT Ontario
DAYONT
Dayton
Thu 11/12
8:00 am-12:33 pm
1 stop7h 33m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$415
DaytonOntario
DAY Dayton - ONT Ontario
DAYONT
Dayton
Fri 10/30
6:30 am-6:00 pm
2 stops14h 30m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$425
DaytonOntario
DAY Dayton - ONT Ontario
DAYONT
Dayton
Thu 11/12
11:24 am-11:06 pm
2 stops14h 42m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$425
DaytonOntario
DAY Dayton - ONT Ontario
DAYONT
Dayton
Sat 11/14
11:33 am-8:15 pm
2 stops11h 42m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$430
Quickest round-trip
DaytonOntario
DAY Dayton - ONT Ontario
DAYONT
Dayton
Fri 10/30
8:00 am-12:30 pm
1 stop7h 30m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$449
DaytonOntario
DAY Dayton - ONT Ontario
DAYONT
Dayton
Sun 11/22
6:00 am-11:03 am
1 stop8h 03m
Ontario
Thu 11/26
12:18 pm-10:02 pm
1 stop6h 44m
$449
Showing 1-10 of 16 resultsSorted by cheapest first
Compare providers for flights from Dayton to Ontario
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 Ontario 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 Dayton-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dayton-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dayton-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Dayton-Ontario 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-Ontario 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 Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Dayton with our price prediction graph.
DAY-ONT
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 Ontario
What is the cheapest month to book a flight from Dayton to Ontario?
Currently, January is the cheapest month in which you can book a flight from Dayton to Ontario (average of $333). Flying from Dayton to Ontario in March is currently the most expensive (average of $1,013). 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 Dayton to Ontario?
Airfare is typical for this route at the moment.
Dayton to Ontario flights typically cost between $378 and $463 in November.The cheapest round-trip price found within the last 5 days was $379 on Delta (Nov 11-Dec 3).
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated October 20, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Dayton to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from Dayton to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Dayton to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 20, 2026.
Dayton and Ontario flights
Browse other Dayton and Ontario flight options. Last updated on October 20, 2026.
Other flights from Dayton
Browse through other flights departing from Dayton. Flights are based on user searches made on Cheapflights and were last updated on October 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Dayton to Ontario
Discover the top 3 airlines that operate flights from Dayton to Ontario. 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 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$261 | Average$437 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$309 | Average$378 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$344 | Average$489 | FlexibilityNo cancel fee | On-time71% |