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Ontario

$155+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ONT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$268
(Kiwi.com)

One-way from

$155
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$327
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. 10% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/206:15 amYYC - ONT
1 stop15h 49mUnited Airlines
Tue 6/245:10 amONT - YYC
1 stop15h 38mUnited Airlines
Deal found 6/10$263
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/111:45 pmYVR - ONT
1 stop7h 07mMultiple Airlines
Mon 7/149:41 pmONT - YVR
1 stop14h 59mMultiple Airlines
Deal found 6/11$268
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 6/247:30 pmYVR - ONT
1 stop4h 43mAlaska Airlines
Wed 6/256:58 pmONT - YVR
1 stop5h 00mAlaska Airlines
Deal found 6/12$281
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1911:00 amYVR - ONT
1 stop10h 04mUnited Airlines
Sun 6/296:28 pmONT - YVR
1 stop15h 23mUnited Airlines
Deal found 6/9$285
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/192:50 pmYYC - ONT
2 stops9h 56mDelta
Mon 6/231:15 pmONT - YYC
1 stop8h 45mDelta
Deal found 6/11$307
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/191:25 pmYVR - ONT
2 stops10h 21mDelta
Wed 6/251:15 pmONT - YVR
1 stop9h 15mDelta
Deal found 6/9$309
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
Wed 7/163:40 pmYYC - ONT
1 stop7h 12mMultiple Airlines
Fri 7/259:41 pmONT - YYC
1 stop12h 32mMultiple Airlines
Deal found 6/9$325
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Thu 9/119:45 amYYZ - ONT
1 stop14h 09mMultiple Airlines
Mon 9/156:00 amONT - YYZ
2 stops13h 52mMultiple Airlines
Deal found 6/10$332
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/187:00 pmYYC - ONT
1 stop6h 13mAlaska Airlines
Wed 6/254:00 pmONT - YYC
1 stop6h 50mAlaska Airlines
Deal found 6/10$336
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/202:20 pmYVR - ONT
1 stop6h 44mAir Canada
Sat 6/216:41 pmONT - YVR
1 stop4h 41mAir Canada
Deal found 6/10$339
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/196:45 amYYC - ONT
2 stops12h 27mAmerican Airlines
Mon 6/2311:59 pmONT - YYC
1 stop20h 58mAmerican Airlines
Deal found 6/11$345
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Thu 8/711:55 pmYVR - ONT
1 stop10h 03mAmerican Airlines
Mon 8/112:57 pmONT - YVR
1 stop8h 03mAmerican Airlines
Deal found 6/12$348

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 June 12, 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

Fri 7/11

1:45 pm-8:52 pm

1 stop7h 07m

Ontario

Mon 7/14

9:41 pm-12:40 pm

1 stop14h 59m

$268

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Tue 6/24

7:30 pm-12:13 am

1 stop4h 43m

Ontario

Wed 6/25

6:58 pm-11:58 pm

1 stop5h 00m

$281

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Tue 6/24

2:20 pm-9:04 pm

1 stop6h 44m

Ontario

Wed 6/25

6:00 am-1:12 pm

1 stop7h 12m

$285

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Fri 7/4

6:45 am-12:17 pm

1 stop5h 32m

Ontario

Tue 7/8

11:25 am-8:58 pm

1 stop9h 33m

$314

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Wed 7/16

3:40 pm-9:52 pm

1 stop7h 12m

Ontario

Fri 7/25

9:41 pm-11:13 am

1 stop12h 32m

$325

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Wed 7/23

7:30 am-12:14 pm

1 stop5h 44m

Ontario

Mon 7/28

5:05 am-9:48 pm

1 stop15h 43m

$326

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Wed 7/2

7:00 am-6:38 pm

1 stop14h 38m

Ontario

Wed 7/9

7:00 am-5:20 pm

1 stop7h 20m

$342

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Thu 8/7

11:55 pm-9:58 am

1 stop10h 03m

Ontario

Mon 8/11

2:57 pm-11:00 pm

1 stop8h 03m

$348

EdmontonOntario

YEG - ONT

YEGONT

Edmonton

Tue 7/1

5:30 pm-6:38 pm

1 stop26h 08m

Ontario

Wed 7/9

7:00 am-7:27 pm

2 stops11h 27m

$361

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Fri 9/12

7:00 am-12:13 pm

1 stop5h 13m

Ontario

Tue 9/16

1:42 pm-6:53 pm

1 stop5h 11m

$367

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 12, 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 June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Porter Airlines and Delta 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
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Porter Airlines
8.0
Very good
288 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

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 $158. However, be on the lookout for offers from Alaska 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 4 airlines flying from Canada to Ontario

Discover the top 4 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$266Average$443FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$274Average$491FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$279Average$378FlexibilityNo cancel feeOn-time71%
DeltaCheapest$287Average$390FlexibilityNo cancel feeOn-timeN/A

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