HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$422+ Cheap flights from Dayton (DAY) to Ontario

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — YYZ
Apr 27 — May 41
Sun 4/27
Sun 5/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

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.

Cheap flight deals from Dayton to Ontario

Keep the following information in mind while searching for Dayton to Ontario flight deals. Data was last updated April 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$422
(American Airlines)

Popular in

November

Cheapest in

April

Average price

$278
Provider with most accurate pricing for Dayton-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Dayton-Toronto (YTO) flights.
Search Deals
From Dayton to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Dayton to Ontario

Cheapest flights from Dayton to Ontario
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 April 22, 2025.

This American Airlines deal was found by Cheapflights users on 4/22. 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 6/512:50 pmDAY - YYZ
1 stop10h 38mAmerican Airlines
Thu 6/1211:40 amYYZ - DAY
1 stop11h 15mAmerican Airlines
Deal found 4/22$422
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/611:40 amDAY - YUL
1 stop5h 46mUnited Airlines
Fri 5/97:10 pmYUL - DAY
1 stop14h 41mUnited Airlines
Deal found 4/22$516
This Delta deal was found by Cheapflights users on 4/22. 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 6/611:08 amDAY - YUL
2 stops12h 08mDelta
Fri 6/1311:00 amYUL - DAY
2 stops13h 12mDelta
Deal found 4/22$522
This American Airlines deal was found by Cheapflights users on 4/22. 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 7/75:35 pmDAY - YUL
1 stop18h 00mAmerican Airlines
Fri 7/115:29 pmYUL - DAY
1 stop18h 46mAmerican Airlines
Deal found 4/22$610
This Delta deal was found by Cheapflights users on 4/22. 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 6/56:00 amDAY - YYZ
2 stops11h 15mDelta
Thu 6/1211:39 amYYZ - DAY
1 stop6h 56mDelta
Deal found 4/22$613
This United Airlines deal was found by Cheapflights users on 4/21. 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 9/127:45 pmDAY - YYZ
2 stops13h 15mUnited Airlines
Tue 9/239:00 pmYYZ - DAY
2 stops12h 50mUnited Airlines
Deal found 4/21$630

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 2,558,603 searches. Data last updated April 22, 2025.
Use the filters below to find and compare flights from Dayton to Ontario that are best for you.

Fly from

Dayton

Fly to

Ontario

Route

Depart

Return

Price

DaytonToronto

DAY - YYZ

DAYYYZ

Dayton

Thu 6/5

12:50 pm-11:28 pm

1 stop10h 38m

Toronto Pearson Intl

Thu 6/12

11:40 am-10:55 pm

1 stop11h 15m

$422

DaytonMontreal

DAY - YUL

DAYYUL

Dayton

Tue 5/6

11:40 am-5:26 pm

1 stop5h 46m

Montreal Pierre Elliott Trudeau Intl

Fri 5/9

7:10 pm-9:51 am

1 stop14h 41m

$516

DaytonMontreal

DAY - YUL

DAYYUL

Dayton

Fri 6/6

11:08 am-11:16 pm

2 stops12h 08m

Montreal Pierre Elliott Trudeau Intl

Fri 6/13

11:00 am-12:12 am

2 stops13h 12m

$522

DaytonMontreal

DAY - YUL

DAYYUL

Dayton

Mon 7/7

5:35 pm-11:35 am

1 stop18h 00m

Montreal Pierre Elliott Trudeau Intl

Fri 7/11

5:29 pm-12:15 pm

1 stop18h 46m

$610

DaytonToronto

DAY - YYZ

DAYYYZ

Dayton

Thu 6/5

6:00 am-5:15 pm

2 stops11h 15m

Toronto Pearson Intl

Thu 6/12

11:39 am-6:35 pm

1 stop6h 56m

$613

DaytonToronto

DAY - YYZ

DAYYYZ

Dayton

Fri 9/12

7:45 pm-9:00 am

2 stops13h 15m

Toronto Pearson Intl

Tue 9/23

9:00 pm-9:50 am

2 stops12h 50m

$630

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

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.
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 Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from Dayton to Region of Ontario (average of $243). Flying from Dayton to Region of Ontario in July is currently the most expensive (average of $359). 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 April 22, 2025.
See what other customers who have flown with Delta, United Airlines and American Airlines from Dayton to Ontario have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,683 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What airport do you fly from for flights from Dayton to Ontario?

    Located just 10.0 mi from the city center, Dayton (DAY) is the airport most travelers will use when flying to Ontario from Dayton.

  • What are the most popular routes from Dayton to Region of Ontario?

    The most popular flight routes from Dayton to Region of Ontario are Dayton - Toronto Pearson Intl, Dayton - Montreal Pierre Elliott Trudeau Intl and Dayton - Ottawa.

  • Can I find deals for flights from Dayton to Ontario that include hotel bookings?

    Yes. In addition to deals on Dayton to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dayton to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dayton to Ontario.

  • Can I find deals for business class flights from Dayton to Ontario?

    Yes. Cheapflights offers flight deals from Dayton to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Dayton to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Dayton to Region of Ontario (average of $243). Flying from Dayton to Region of Ontario in July is currently the most expensive (average of $359). 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.

See more FAQs

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.

Alternative routes for Dayton to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Detroit to Vancouver Intl flights
Detroit to Calgary flights
Cincinnati to Vancouver Intl flights
Cleveland to Vancouver Intl flights
Detroit to Pierre Elliott Trudeau Intl flights
Pittsburgh to Vancouver Intl flights
Cincinnati to Pierre Elliott Trudeau Intl flights
Detroit to Pearson Intl flights
Pittsburgh to Pierre Elliott Trudeau Intl flights
Columbus to Calgary flights
Cincinnati to Pearson Intl flights
Cincinnati to Calgary flights
Columbus to Pearson Intl flights
Cleveland to Calgary flights
Pittsburgh to Calgary flights
Columbus to Vancouver Intl flights
Cleveland to Pierre Elliott Trudeau Intl flights
Pittsburgh to Pearson Intl flights
Dayton to Vancouver Intl flights
Cleveland to Pearson Intl flights
Columbus to Pierre Elliott Trudeau Intl flights
Detroit to Winnipeg flights
Detroit to Québec City flights
Detroit to Toronto Island flights
Detroit to Edmonton flights
Cincinnati to Abbotsford flights
Detroit to St. John's flights
Detroit to Ottawa flights
Pittsburgh to Toronto Island flights
Cleveland to Edmonton flights
Cincinnati to Saskatoon flights
Detroit to Halifax flights
Cincinnati to Halifax flights
Cleveland to Halifax flights
Cincinnati to Québec City flights
Cleveland to Québec City flights
Cleveland to Saskatoon flights
Detroit to Victoria flights
Pittsburgh to Halifax flights
Columbus to Ottawa flights
Cleveland to Winnipeg flights
Columbus to Abbotsford flights
Dayton to Pearson Intl flights
Cincinnati to Ottawa flights
Cincinnati to Edmonton flights
Pittsburgh to Edmonton flights
Pittsburgh to Québec City flights
Cincinnati to St. John's flights
Dayton to Calgary flights
Columbus to Edmonton flights

Top airline flying from Dayton to Ontario

Discover the top airline 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 2,558,603 searches. Data last updated April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$673Average$907FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.