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$146+ Cheap flights from Ontario to Ontario (ONT)

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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ONT
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Ontario to Ontario

Keep the following information in mind while searching for Ontario to Ontario flight deals. Data was last updated October 30, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$253
(Kiwi.com)

One-way from

$146
(Trip.com)

Popular in

December

Cheapest in

May

Average price

$284
Provider with most accurate pricing for Toronto (YTO)-Los Angeles flight deals.
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From Ontario to Ontario
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One-way flight from Ontario to Ontario
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Highest demand for flights based on searches. 9% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Ontario to Ontario

Cheapest flights from Ontario to Ontario
Explore the most affordable flight options available from Ontario to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/49:35 amYYZ - ONT
1 stop14h 42mMultiple Airlines
Wed 12/106:15 amONT - YYZ
1 stop10h 40mMultiple Airlines
Deal found 10/29$253
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/169:35 amYYZ - ONT
1 stop14h 42mMultiple Airlines
Tue 12/236:00 amONT - YYZ
2 stops14h 11mMultiple Airlines
Deal found 10/29$294
This Delta deal was found by Cheapflights users on 10/27. 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 11/177:35 pmYUL - ONT
2 stops18h 31mDelta
Wed 2/1810:30 pmONT - YUL
2 stops17h 19mDelta
Deal found 10/27$482
This Delta deal was found by Cheapflights users on 10/28. 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 11/197:35 pmYUL - ONT
2 stops18h 31mDelta
Fri 12/512:12 pmONT - YUL
2 stops17h 33mDelta
Deal found 10/28$483
This Delta deal was found by Cheapflights users on 10/28. 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 11/197:35 pmYUL - ONT
2 stops18h 31mDelta
Wed 12/312:12 pmONT - YUL
2 stops22h 35mDelta
Deal found 10/28$503
This Delta deal was found by Cheapflights users on 10/28. 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 12/157:45 pmYUL - ONT
2 stops18h 17mDelta
Fri 1/91:04 pmONT - YUL
2 stops16h 40mDelta
Deal found 10/28$504
This Delta deal was found by Cheapflights users on 10/28. 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 11/177:35 pmYUL - ONT
2 stops27h 07mDelta
Sat 12/612:12 pmONT - YUL
2 stops17h 33mDelta
Deal found 10/28$526
This Delta deal was found by Cheapflights users on 10/27. 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 11/129:26 amYUL - ONT
2 stops16h 38mDelta
Wed 2/1810:30 pmONT - YUL
2 stops17h 19mDelta
Deal found 10/27$528
This Delta deal was found by Cheapflights users on 10/27. 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 11/187:35 pmYUL - ONT
2 stops27h 07mDelta
Wed 2/1810:30 pmONT - YUL
2 stops17h 19mDelta
Deal found 10/27$531
This Delta deal was found by Cheapflights users on 10/28. 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 12/169:35 amYUL - ONT
2 stops16h 29mDelta
Wed 1/71:04 pmONT - YUL
2 stops16h 40mDelta
Deal found 10/28$532
This Delta deal was found by Cheapflights users on 10/28. 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 12/157:45 pmYUL - ONT
2 stops18h 17mDelta
Wed 1/141:04 pmONT - YUL
2 stops16h 40mDelta
Deal found 10/28$534
This Delta deal was found by Cheapflights users on 10/28. 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 11/177:35 pmYUL - ONT
2 stops27h 07mDelta
Wed 12/312:12 pmONT - YUL
2 stops22h 35mDelta
Deal found 10/28$546

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario 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 October 30, 2025.
Use the filters below to find and compare flights from Ontario to Ontario that are best for you.

Fly from

Ontario

Fly to

Ontario

Route

Depart

Return

Price

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 11/27

7:55 pm-2:26 pm

1 stop21h 31m

Ontario

Thu 12/4

6:15 am-8:32 pm

1 stop11h 17m

$326

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 12/4

12:13 pm-10:47 pm

2 stops13h 34m

Ontario

Wed 12/10

5:49 pm-8:53 am

2 stops12h 04m

$451

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Tue 3/3

4:45 pm-10:37 pm

1 stop8h 52m

Ontario

Wed 3/4

6:55 pm-3:35 pm

1 stop17h 40m

$458

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Wed 1/21

4:45 pm-5:05 pm

2 stops27h 20m

Ontario

Sun 1/25

7:00 am-3:35 pm

2 stops29h 35m

$461

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 12/4

4:45 pm-11:29 pm

1 stop9h 44m

Ontario

Sat 12/6

1:26 pm-3:35 pm

2 stops23h 09m

$474

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Mon 12/8

4:45 pm-8:03 pm

2 stops30h 18m

Ontario

Sat 1/17

1:46 pm-3:35 pm

2 stops22h 49m

$476

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Mon 11/17

7:35 pm-11:06 am

2 stops18h 31m

Ontario

Tue 2/24

10:30 pm-6:49 pm

2 stops17h 19m

$482

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Wed 11/19

7:35 pm-11:06 am

2 stops18h 31m

Ontario

Fri 12/5

12:12 pm-8:45 am

2 stops17h 33m

$483

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Mon 12/15

9:35 am-11:02 am

2 stops28h 27m

Ontario

Tue 1/13

1:04 pm-8:44 am

2 stops16h 40m

$483

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Fri 12/5

4:45 pm-11:19 am

1 stop21h 34m

Ontario

Sun 12/7

6:00 am-3:35 pm

1 stop30h 35m

$484

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Ontario 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 Ontario to Ontario

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

Currently, August is the cheapest month in which you can book a flight from Region of Ontario to Ontario (average of $80). Flying from Region of Ontario to Ontario in January is currently the most expensive (average of $212). 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.

What is the cheapest time of day to fly from ON to ONT?

Find hourly flight availability from Ontario to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s typically best to fly out from Region of Ontario to Ontario at noon. Doing so could potentially save you 24% on the flight price compared to flying in the morning, which is usually more expensive.

How much does it cost to fly round-trip from Region of Ontario to Ontario?

Related info for your journey

Find useful and relevant information for your journey from Ontario 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 into for flights to Ontario from Ontario?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly into when you book flights from Ontario to Ontario.

  • How long is the flight from Region of Ontario to Ontario?

    A quick flight from Region of Ontario to Ontario can take about 8h 52m. Delta provides one of the quickest options available for as low as $458. Airlines will cover a distance of 2126 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Region of Ontario to Ontario one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $246. Users have also found prices from $320 and $322 on Delta and United Airlines, respectively.

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

    When deciding which route to take from Region of Ontario to Ontario consider Toronto Pearson Intl - Ontario, Montreal Pierre Elliott Trudeau Intl - Ontario or Ottawa - Ontario as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario 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 Region of Ontario to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Region of Ontario to Ontario (average of $80). Flying from Region of Ontario to Ontario in January is currently the most expensive (average of $212). 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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Alternative routes for Ontario to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Ontario to Ontario

Discover the top 2 airlines that operate flights from Ontario 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$294Average$364FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$299Average$621FlexibilityNo cancel feeOn-time69%

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