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$252+ Cheap flights from Dayton (DAY) to Ontario

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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — YYZ
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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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 July 31, 2025.

Round-trip from

$423
(American Airlines)

One-way from

$252
(American Airlines)

Popular in

November

Cheapest in

April

Average price

$627
From Dayton to Ontario
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One-way flight from Dayton to Ontario
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Highest demand for flights based on searches. 11% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 31, 2025.

This American Airlines deal was found by Cheapflights users on 7/30. 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 9/55:01 pmDAY - YYZ
1 stop19h 31mAmerican Airlines
Thu 9/113:11 pmYYZ - DAY
1 stop7h 44mAmerican Airlines
Deal found 7/30$423
This Delta deal was found by Cheapflights users on 7/29. 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 9/36:00 amDAY - YYZ
1 stop6h 10mDelta
Mon 9/86:07 pmYYZ - DAY
1 stop5h 16mDelta
Deal found 7/29$530
This American Airlines deal was found by Cheapflights users on 7/30. 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 10/75:18 pmDAY - YUL
1 stop18h 22mAmerican Airlines
Fri 10/317:50 amYUL - DAY
2 stops11h 30mAmerican Airlines
Deal found 7/30$532
This United deal was found by Cheapflights users on 7/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/79:00 amDAY - YUL
1 stop9h 50mMultiple Airlines
Fri 10/316:00 amYUL - DAY
1 stop17h 43mMultiple Airlines
Deal found 7/30$555
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Thu 11/209:00 amDAY - YYZ
1 stop7h 39mUnited Airlines
Tue 11/254:30 pmYYZ - DAY
1 stop7h 13mUnited Airlines
Deal found 7/31$573
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Tue 9/27:45 pmDAY - YUL
1 stop15h 43mUnited Airlines
Sat 9/67:10 pmYUL - DAY
1 stop14h 40mUnited Airlines
Deal found 7/31$625
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/317:45 pmDAY - YOW
1 stop18h 28mUnited Airlines
Sun 9/77:29 pmYOW - DAY
1 stop14h 21mUnited Airlines
Deal found 7/30$674
This United deal was found by Cheapflights users on 7/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2910:25 amDAY - YYZ
1 stop5h 36mMultiple Airlines
Wed 9/34:40 pmYYZ - DAY
2 stops17h 10mMultiple Airlines
Deal found 7/30$676
This Delta deal was found by Cheapflights users on 7/31. 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 9/27:48 amDAY - YUL
1 stop8h 19mDelta
Sat 9/66:00 amYUL - DAY
2 stops9h 30mDelta
Deal found 7/31$686
This WestJet deal was found by Cheapflights users on 7/30. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3111:12 amDAY - YUL
1 stop6h 42mWestJet
Thu 8/77:00 amYUL - DAY
1 stop11h 33mWestJet
Deal found 7/30$980

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 July 31, 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

Fri 9/5

5:01 pm-12:32 pm

1 stop19h 31m

Toronto Pearson Intl

Thu 9/11

3:11 pm-10:55 pm

1 stop7h 44m

$423

DaytonToronto

DAY - YYZ

DAYYYZ

Dayton

Wed 9/3

6:00 am-12:10 pm

1 stop6h 10m

Toronto Pearson Intl

Mon 9/8

6:07 pm-11:23 pm

1 stop5h 16m

$530

DaytonMontreal

DAY - YUL

DAYYUL

Dayton

Tue 10/7

5:18 pm-11:40 am

1 stop18h 22m

Montreal Pierre Elliott Trudeau Intl

Fri 10/31

7:50 am-7:20 pm

2 stops11h 30m

$532

DaytonMontreal

DAY - YUL

DAYYUL

Dayton

Tue 10/7

9:00 am-6:50 pm

1 stop9h 50m

Montreal Pierre Elliott Trudeau Intl

Fri 10/31

6:00 am-11:43 pm

1 stop17h 43m

$555

DaytonToronto

DAY - YYZ

DAYYYZ

Dayton

Thu 11/20

9:00 am-4:39 pm

1 stop7h 39m

Toronto Pearson Intl

Tue 11/25

4:30 pm-11:43 pm

1 stop7h 13m

$573

DaytonMontreal

DAY - YUL

DAYYUL

Dayton

Tue 9/2

7:45 pm-11:28 am

1 stop15h 43m

Montreal Pierre Elliott Trudeau Intl

Sat 9/6

7:10 pm-9:50 am

1 stop14h 40m

$625

DaytonOttawa

DAY - YOW

DAYYOW

Dayton

Sun 8/31

7:45 pm-2:13 pm

1 stop18h 28m

Ottawa

Sun 9/7

7:29 pm-9:50 am

1 stop14h 21m

$674

DaytonToronto

DAY - YYZ

DAYYYZ

Dayton

Fri 8/29

10:25 am-4:01 pm

1 stop5h 36m

Toronto Pearson Intl

Wed 9/3

4:40 pm-9:50 am

2 stops17h 10m

$676

DaytonMontreal

DAY - YUL

DAYYUL

Dayton

Tue 9/2

7:48 am-4:07 pm

1 stop8h 19m

Montreal Pierre Elliott Trudeau Intl

Sat 9/6

6:00 am-3:30 pm

2 stops9h 30m

$686

DaytonToronto

DAY - YYZ

DAYYYZ

Dayton

Tue 8/19

7:27 pm-12:01 pm

1 stop16h 34m

$252

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 14 results
1
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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 August is currently the most expensive (average of $348). 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.

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 July 31, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Dayton to Ontario have to say. 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.
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,978 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 cheapest airlines to fly from Dayton to Region of Ontario one-way?

    The cheapest airlines for a one-way flight from Dayton to Region of Ontario are American Airlines ($252), Delta ($270), and United Airlines ($284).

  • 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 August is currently the most expensive (average of $348). 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

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