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Ontario

$128+ 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ONT
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap flight deals from Canada to Ontario

Keep the following information in mind while searching for Canada to Ontario flight deals. Data was last updated April 29, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$238
(United Airlines)

One-way from

$128
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$284
Provider with most accurate pricing for Toronto (YTO)-Los Angeles flight deals.
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From Canada to Ontario
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One-way flight from Canada 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 April 2025
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Find 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 April 29, 2025.

This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/171:30 pmYYC - ONT
1 stop8h 23mUnited Airlines
Sun 5/186:00 amONT - YYC
1 stop5h 19mUnited Airlines
Deal found 4/28$238
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Sat 5/103:55 pmYVR - ONT
1 stop15h 29mMultiple Airlines
Mon 5/128:24 amONT - YVR
1 stop28h 16mMultiple Airlines
Deal found 4/29$247
This Delta deal was found by Cheapflights users on 4/28. 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 5/267:40 amYYC - ONT
1 stop5h 35mDelta
Mon 6/21:10 pmONT - YYC
1 stop8h 51mDelta
Deal found 4/28$269
This Delta deal was found by Cheapflights users on 4/28. 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.
Thu 6/126:38 pmYVR - ONT
1 stop5h 08mDelta
Thu 6/191:15 pmONT - YVR
2 stops7h 47mDelta
Deal found 4/28$270
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/285:15 pmYVR - ONT
1 stop5h 37mUnited Airlines
Wed 7/96:39 pmONT - YVR
1 stop4h 43mUnited Airlines
Deal found 4/27$286
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1712:30 pmYYC - ONT
2 stops9h 23mAir Canada
Mon 5/196:00 amONT - YYC
1 stop5h 19mAir Canada
Deal found 4/29$291
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/2711:00 amYYZ - ONT
2 stops12h 49mMultiple Airlines
Tue 6/36:30 amONT - YYZ
1 stop20h 50mMultiple Airlines
Deal found 4/29$297
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/311:17 amYYC - ONT
1 stop5h 33mAlaska Airlines
Tue 6/104:45 pmONT - YYC
1 stop16h 42mAlaska Airlines
Deal found 4/27$308
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/126:30 amYYZ - ONT
1 stop8h 54mUnited Airlines
Wed 5/146:00 amONT - YYZ
1 stop8h 55mUnited Airlines
Deal found 4/28$310
This Delta deal was found by Cheapflights users on 4/28. 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.
Fri 6/201:28 pmYYZ - ONT
1 stop11h 57mDelta
Sun 6/2910:05 pmONT - YYZ
1 stop9h 19mDelta
Deal found 4/28$311
This Vliegwinkel deal was found by Cheapflights users on 4/28. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/128:45 amYYZ - ONT
1 stop15h 19mBrussels Airlines
Thu 6/196:32 pmONT - YYZ
1 stop15h 26mBrussels Airlines
Deal found 4/28$314
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/123:00 pmYYC - ONT
2 stops21h 52mMultiple Airlines
Thu 6/196:00 amONT - YYC
1 stop8h 22mMultiple Airlines
Deal found 4/28$321

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 April 29, 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

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Sat 5/17

1:30 pm-8:53 pm

1 stop8h 23m

Ontario

Sun 5/18

6:00 am-12:19 pm

1 stop5h 19m

$238

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Sat 5/10

3:55 pm-7:24 am

1 stop15h 29m

Ontario

Mon 5/12

8:24 am-12:40 pm

1 stop28h 16m

$247

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Mon 5/26

7:40 am-12:15 pm

1 stop5h 35m

Ontario

Mon 6/2

1:10 pm-11:01 pm

1 stop8h 51m

$269

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Thu 6/12

1:25 pm-11:46 pm

2 stops10h 21m

Ontario

Thu 6/19

1:15 pm-9:02 pm

2 stops7h 47m

$270

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Sat 6/28

5:15 pm-10:52 pm

1 stop5h 37m

Ontario

Wed 7/9

6:39 pm-11:22 pm

1 stop4h 43m

$286

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Sat 5/17

12:30 pm-8:53 pm

2 stops9h 23m

Ontario

Mon 5/19

6:00 am-12:19 pm

1 stop5h 19m

$291

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Tue 5/27

11:00 am-8:49 pm

2 stops12h 49m

Ontario

Tue 6/3

6:30 am-6:20 am

1 stop20h 50m

$297

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Tue 6/3

11:17 am-3:50 pm

1 stop5h 33m

Ontario

Tue 6/10

4:45 pm-10:27 am

1 stop16h 42m

$308

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Mon 5/12

6:30 am-12:24 pm

1 stop8h 54m

Ontario

Wed 5/14

6:00 am-5:55 pm

1 stop8h 55m

$310

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Fri 6/20

1:28 pm-10:25 pm

1 stop11h 57m

Ontario

Sun 6/29

10:05 pm-10:24 am

1 stop9h 19m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

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, August is the cheapest month in which you can book a flight from Canada to Ontario (average of $246). Flying from Canada to Ontario in March is currently the most expensive (average of $328). 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 April 29, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Canada to Ontario as you normally would.

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 Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 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 Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 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 29, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and United Airlines from Canada to Ontario to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Brussels Airlines
7.4
Good
346 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $146. However, be on the lookout for offers from American 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 Montreal Pierre Elliott Trudeau Intl - 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, August is the cheapest month in which you can book a flight from Canada to Ontario (average of $246). Flying from Canada to Ontario in March is currently the most expensive (average of $328). 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 5 airlines flying from Canada to Ontario

Discover the top 5 airlines 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$266Average$365FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$274Average$488FlexibilityNo cancel feeOn-time69%
DeltaCheapest$287Average$390FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$291Average$431FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$333Average$408FlexibilityNo cancel feeOn-time71%

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