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Ontario

$131+ Cheap flights from Canada 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ONT
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Canada to Ontario

Cheapest flights from Canada to Ontario
Explore the most affordable flight options available from Canada to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Delta deal was found by Cheapflights users on 12/16. 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.
Tue 12/306:40 amYVR - ONT
1 stop9h 32mDelta
Thu 1/16:38 amONT - YVR
1 stop8h 01mDelta
Deal found 12/16$411
This Delta deal was found by Cheapflights users on 12/16. 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.
Wed 12/316:40 amYVR - ONT
1 stop5h 49mDelta
Fri 1/26:00 amONT - YVR
1 stop6h 19mDelta
Deal found 12/16$440
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/307:00 amYVR - ONT
1 stop10h 43mUnited Airlines
Sat 1/176:00 amONT - YVR
1 stop5h 00mUnited Airlines
Deal found 12/17$446
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:35 pmYVR - ONT
1 stop4h 39mAlaska Airlines
Sat 4/47:00 amONT - YVR
1 stop4h 40mAlaska Airlines
Deal found 12/16$461
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Tue 12/307:00 amYVR - ONT
1 stop15h 41mUnited Airlines
Tue 1/61:53 pmONT - YVR
1 stop7h 25mUnited Airlines
Deal found 12/15$462
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Wed 12/2412:35 pmYVR - ONT
1 stop8h 32mUnited Airlines
Mon 1/126:00 amONT - YVR
1 stop7h 35mUnited Airlines
Deal found 12/17$464
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:35 pmYVR - ONT
1 stop4h 39mAlaska Airlines
Fri 4/36:55 pmONT - YVR
1 stop5h 00mAlaska Airlines
Deal found 12/16$480
This Delta deal was found by Cheapflights users on 12/16. 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.
Mon 12/296:40 amYVR - ONT
1 stop5h 49mDelta
Fri 1/25:10 pmONT - YVR
1 stop5h 49mDelta
Deal found 12/16$482
This United Airlines deal was found by Cheapflights users on 12/18. 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.
Mon 12/297:00 amYVR - ONT
1 stop10h 43mUnited Airlines
Fri 1/91:53 pmONT - YVR
1 stop7h 25mUnited Airlines
Deal found 12/18$490
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Sun 12/288:45 amYVR - ONT
1 stop12h 22mUnited Airlines
Mon 1/56:39 pmONT - YVR
1 stop15h 16mUnited Airlines
Deal found 12/15$510
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Fri 12/193:00 pmYVR - ONT
1 stop7h 41mUnited Airlines
Tue 1/206:00 amONT - YVR
1 stop5h 00mUnited Airlines
Deal found 12/16$517
This Trip.com deal was found by Cheapflights users on 12/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:35 amYYZ - ONT
1 stop14h 42mMultiple Airlines
Thu 1/154:03 pmONT - YYZ
1 stop20h 32mMultiple Airlines
Deal found 12/16$557

Find flight deals from Canada to Ontario

Keep the following information in mind while searching for Canada to Ontario flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$221
(Trip.com)

One-way from

$120
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$423
Provider with most accurate pricing for Toronto (YTO)-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto (YTO)-Los Angeles flights.
Search Deals
From Canada to Ontario
Search Deals
One-way flight from Canada to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($13 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 Canada 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 December 18, 2025.
Use the filters below to find and compare flights from Canada to Ontario that are best for you.

Fly from

Canada

Fly to

Ontario

Route

Depart

Return

Price

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Sat 1/31

7:55 am-3:08 pm

1 stop7h 13m

Ontario

Sat 2/7

4:03 pm-8:55 pm

1 stop4h 52m

$265

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Tue 1/13

6:20 am-1:56 pm

1 stop7h 36m

Ontario

Tue 1/20

6:00 am-12:15 pm

1 stop6h 15m

$270

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Sat 1/10

1:21 pm-9:48 pm

1 stop8h 27m

Ontario

Tue 1/13

6:00 am-12:15 pm

1 stop6h 15m

$270

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Tue 1/13

6:00 am-1:06 pm

2 stops7h 06m

Ontario

Sat 1/24

4:03 pm-8:55 pm

1 stop4h 52m

$275

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Sat 1/10

1:21 pm-9:48 pm

1 stop8h 27m

Ontario

Thu 1/15

3:30 pm-8:54 pm

1 stop5h 24m

$275

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Sun 2/1

7:35 pm-12:10 pm

1 stop17h 35m

Ontario

Sun 2/8

8:27 pm-8:04 am

2 stops34h 37m

$278

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Wed 1/14

12:35 pm-8:58 pm

1 stop8h 23m

Ontario

Tue 1/20

6:00 am-11:00 am

1 stop5h 00m

$278

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Tue 1/13

12:35 pm-8:58 pm

1 stop8h 23m

Ontario

Tue 1/20

6:00 am-1:35 pm

1 stop7h 35m

$278

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Sat 2/28

7:00 am-12:47 pm

1 stop5h 47m

Ontario

Wed 3/4

6:09 am-11:00 am

1 stop4h 51m

$278

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Wed 1/14

12:35 pm-8:58 pm

1 stop8h 23m

Ontario

Wed 1/21

1:53 pm-9:18 pm

1 stop7h 25m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

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

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

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

Currently, April is the cheapest month in which you can book a flight from Canada to Ontario (average of $72). Flying from Canada to Ontario in December is currently the most expensive (average of $97). 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 CA to ONT?

Find hourly flight availability from Canada 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 December 18, 2025.

It’s typically best to fly out from Canada to Ontario in the afternoon. Doing so could potentially save you 19% on the flight price compared to flying in the morning, which is usually more expensive.

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

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

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

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 December 18, 2025.
Peruse reviews from past customers who have flown with United Airlines from Canada to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,091 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,091 reviews
United Airlines
7.4
Good
9,091 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Canada 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 Canada?

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

  • How long is the flight from Canada to Ontario?

    Airlines like Delta, Alaska Airlines, and United Airlines fly from Canada to Ontario in about 7h 06m. The time it takes to get you to your destination can typically vary by up to 41m. There are 1083 mi between Canada and Ontario. This flight may include one or multiple stops.

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

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $108. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Canada to Ontario for a low price.

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

    When deciding which route to take from Canada to Ontario consider Vancouver Intl - Ontario, Toronto Pearson Intl - Ontario or Calgary - Ontario as they are the most popular.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Canada to Ontario (average of $72). Flying from Canada to Ontario in December is currently the most expensive (average of $97). 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 Canada to Ontario

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

Discover the top airline that operate flights from Canada 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$262Average$602FlexibilityNo cancel feeOn-time69%

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