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$51+ Cheap flights from Ontario (ONT) to Canada

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YYZ
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Ontario to Canada

Cheapest flights from Ontario to Canada
Explore the most affordable flight options available from Ontario to Canada. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/246:00 amONT - YVR
1 stop16h 20mMultiple Airlines
Wed 12/313:40 pmYVR - ONT
1 stop25h 42mMultiple Airlines
Deal found 12/10$293
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/306:17 pmONT - YVR
1 stop28h 03mMultiple Airlines
Sun 1/410:10 pmYVR - ONT
2 stops19h 05mMultiple Airlines
Deal found 12/10$427
This Trip.com deal was found by Cheapflights users on 12/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:15 amONT - YYZ
1 stop10h 40mMultiple Airlines
Mon 12/159:35 amYYZ - ONT
1 stop14h 42mMultiple Airlines
Deal found 12/9$459
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/265:05 amONT - YEG
1 stop8h 09mUnited Airlines
Sat 1/106:00 amYEG - ONT
1 stop15h 58mUnited Airlines
Deal found 12/11$473
This Alaska Airlines deal was found by Cheapflights users on 12/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amONT - YVR
1 stop18h 10mAlaska Airlines
Thu 1/87:55 amYVR - ONT
2 stops9h 08mAlaska Airlines
Deal found 12/11$481
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/246:00 amONT - YYZ
1 stop10h 55mMultiple Airlines
Wed 12/3110:50 pmYYZ - ONT
2 stops21h 32mMultiple Airlines
Deal found 12/10$484
This Alaska Airlines deal was found by Cheapflights users on 12/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:00 amONT - YVR
1 stop14h 55mAlaska Airlines
Thu 1/87:55 amYVR - ONT
2 stops9h 08mAlaska Airlines
Deal found 12/11$491
This Alaska Airlines deal was found by Cheapflights users on 12/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:44 amONT - YVR
1 stop6h 01mAlaska Airlines
Thu 1/85:45 pmYVR - ONT
1 stop6h 11mAlaska Airlines
Deal found 12/9$498
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 12/296:00 pmONT - YYZ
1 stop9h 47mMultiple Airlines
Mon 1/510:15 pmYYZ - ONT
2 stops38h 35mMultiple Airlines
Deal found 12/9$499
This Alaska Airlines deal was found by Cheapflights users on 12/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amONT - YVR
1 stop12h 45mAlaska Airlines
Wed 1/76:00 amYVR - ONT
2 stops11h 03mAlaska Airlines
Deal found 12/11$508
This Alaska Airlines deal was found by Cheapflights users on 12/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:00 amONT - YVR
1 stop14h 55mAlaska Airlines
Wed 1/76:00 amYVR - ONT
2 stops7h 06mAlaska Airlines
Deal found 12/11$518
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/255:05 amONT - YVR
1 stop16h 05mUnited Airlines
Thu 1/18:45 amYVR - ONT
1 stop12h 22mUnited Airlines
Deal found 12/11$521

Find flight deals from Ontario to Canada

Keep the following information in mind while searching for Ontario to Canada flight deals. Data was last updated December 12, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$189
(Kiwi.com)

One-way from

$51
(Trip.com)

Popular in

December

Cheapest in

May

Average price

$466
Provider with most accurate pricing for Los Angeles-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Toronto (YTO) flights.
Search Deals
From Ontario to Canada
Search Deals
One-way flight from Ontario to Canada
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Canada 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 December 12, 2025.
Use the filters below to find and compare flights from Ontario to Canada that are best for you.

Fly from

Ontario

Fly to

Canada

Route

Depart

Return

Price

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Mon 1/12

2:34 pm-6:47 am

1 stop13h 13m

Toronto Pearson Intl

Tue 1/20

1:30 pm-2:12 pm

2 stops27h 42m

$259

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Wed 1/7

10:45 am-11:11 pm

2 stops33h 26m

Toronto Pearson Intl

Sat 1/10

7:55 pm-7:36 am

1 stop14h 41m

$267

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Thu 1/8

5:15 pm-5:50 pm

1 stop23h 35m

Calgary

Sun 1/11

7:35 pm-7:36 am

1 stop13h 01m

$267

OntarioVancouver

ONT - YVR

ONTYVR

Ontario

Wed 1/7

7:30 am-8:54 pm

1 stop13h 24m

Vancouver Intl

Wed 1/14

3:30 pm-10:51 pm

1 stop7h 21m

$271

OntarioVancouver

ONT - YVR

ONTYVR

Ontario

Wed 1/7

7:30 am-8:54 pm

1 stop13h 24m

Vancouver Intl

Sat 1/17

6:20 am-1:56 pm

1 stop7h 36m

$271

OntarioVancouver

ONT - YVR

ONTYVR

Ontario

Fri 1/9

3:30 pm-8:54 pm

1 stop5h 24m

Vancouver Intl

Wed 1/28

6:20 am-10:51 pm

1 stop16h 31m

$276

OntarioVancouver

ONT - YVR

ONTYVR

Ontario

Thu 1/8

3:30 pm-8:54 pm

1 stop5h 24m

Vancouver Intl

Sat 1/17

7:25 am-10:51 pm

1 stop15h 26m

$276

OntarioVancouver

ONT - YVR

ONTYVR

Ontario

Fri 1/9

3:30 pm-8:54 pm

1 stop5h 24m

Vancouver Intl

Mon 2/2

6:20 am-1:56 pm

1 stop7h 36m

$280

OntarioVancouver

ONT - YVR

ONTYVR

Ontario

Fri 1/9

3:30 pm-8:54 pm

1 stop5h 24m

Vancouver Intl

Sun 1/18

7:25 am-1:56 pm

1 stop6h 31m

$280

OntarioVancouver

ONT - YVR

ONTYVR

Ontario

Fri 1/9

3:30 pm-8:54 pm

1 stop5h 24m

Vancouver Intl

Sun 2/1

6:20 am-10:44 pm

1 stop16h 24m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

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

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

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

Currently, April is the cheapest month in which you can book a flight from Ontario to Canada (average of $68). Flying from Ontario to Canada in August is currently the most expensive (average of $108). 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 ONT to CA?

Find hourly flight availability from Ontario to Canada. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 27% on flights from Ontario to Canada by exploring options for tickets in the evening.

What is the cheapest day to fly from Ontario to Canada?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Canada. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Ontario to Canada flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Canada

Get insights into the airlines that provide service to Canada. 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 Canada. Reviews last updated December 12, 2025.
Read through reviews of airlines operating flights from Ontario to Canada, such as Alaska Airlines, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,432 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,432 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,007 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,095 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
American Airlines
7.2
Good
11,050 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Air Canada
7.1
Good
10,516 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Canada. 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 Ontario to Canada?

    Most people fly from Ontario (ONT) if they book a flight from Ontario to Canada. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • How long is the flight from Ontario to Canada?

    There are many flights that can get you from Ontario to Canada in 7h 54m. Fly via Delta, Alaska Airlines, or United Airlines to get the fastest option. There are 1051 mi between Ontario and Canada. 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 Ontario to Canada one-way?

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $69. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Ontario to Canada for a low price.

  • What are the most popular routes from Ontario to Canada?

    The most popular route from Ontario to Canada is Ontario - Vancouver Intl. You may also consider Ontario - Calgary or Ontario - Toronto Pearson Intl.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Canada 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 Ontario to Canada?

    Currently, April is the cheapest month in which you can book a flight from Ontario to Canada (average of $68). Flying from Ontario to Canada in August is currently the most expensive (average of $108). 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 Canada

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Top 6 airlines flying from Ontario to Canada

Discover the top 6 airlines that operate flights from Ontario to Canada. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$105Average$548FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$171Average$483FlexibilityNo cancel feeOn-time67%
DeltaCheapest$186Average$450FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$188Average$218FlexibilityNo cancel feeOn-time60%
Alaska AirlinesCheapest$378Average$470FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$458Average$742FlexibilityNo cancel feeOn-time71%

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