HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$111+ 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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ONT
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Canada to Ontario with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Canada to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Canada (CA0) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$186
(Kiwi.com)

One-way from

$111
(Trip.com)
From Canada to Ontario
Search Deals
One-way flight from Canada to Ontario
Search Deals

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 January 21, 2025.

This Kiwi.com deal was found by Cheapflights users on 1/21. 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 4/13:55 pmYVR - ONT
1 stop23h 09mMultiple Airlines
Wed 4/92:43 pmONT - YVR
1 stop7h 47mMultiple Airlines
Deal found 1/21$186
This Delta deal was found by Cheapflights users on 1/21. 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 2/48:00 amYYC - ONT
1 stop9h 28mDelta
Tue 2/251:21 pmONT - YYC
1 stop8h 54mDelta
Deal found 1/21$247
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/273:30 pmYYC - ONT
1 stop6h 10mUnited Airlines
Tue 3/45:05 amONT - YYC
1 stop15h 36mUnited Airlines
Deal found 1/21$251
This Air Canada deal was found by Cheapflights users on 1/21. 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.
Thu 2/2712:35 pmYYC - ONT
2 stops9h 17mAir Canada
Tue 3/45:05 amONT - YYC
1 stop15h 36mAir Canada
Deal found 1/21$266
This Trip.com deal was found by Cheapflights users on 1/21. 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.
Sun 2/26:30 amYYZ - ONT
2 stops27h 41mMultiple Airlines
Thu 2/62:37 pmONT - YYZ
2 stops20h 49mMultiple Airlines
Deal found 1/21$282
This Delta deal was found by Cheapflights users on 1/20. 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 2/35:00 pmYYZ - ONT
1 stop9h 51mDelta
Fri 2/141:05 pmONT - YYZ
1 stop7h 47mDelta
Deal found 1/20$293
This United Airlines deal was found by Cheapflights users on 1/20. 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 2/113:50 pmYYZ - ONT
1 stop9h 07mUnited Airlines
Sat 2/155:05 amONT - YYZ
1 stop6h 57mUnited Airlines
Deal found 1/20$294
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
Sun 1/264:35 pmYYC - ONT
1 stop19h 32mMultiple Airlines
Sat 2/87:59 pmONT - YYC
1 stop25h 56mMultiple Airlines
Deal found 1/21$298
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Fri 2/286:29 amYYC - ONT
2 stops27h 42mAmerican Airlines
Mon 3/312:50 pmONT - YYC
2 stops32h 04mAmerican Airlines
Deal found 1/20$299
This Delta deal was found by Cheapflights users on 1/21. 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 2/1312:52 pmYUL - ONT
1 stop13h 00mDelta
Wed 2/191:05 pmONT - YUL
1 stop7h 47mDelta
Deal found 1/21$302
This United Airlines deal was found by Cheapflights users on 1/20. 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 2/48:05 amYUL - ONT
1 stop15h 46mUnited Airlines
Sun 2/165:05 amONT - YUL
1 stop9h 03mUnited Airlines
Deal found 1/20$304
This Delta deal was found by Cheapflights users on 1/21. 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.
Sat 3/13:43 pmYVR - ONT
1 stop6h 49mDelta
Mon 3/36:00 amONT - YVR
1 stop8h 53mDelta
Deal found 1/21$305

Find flights from Canada to Ontario within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Tue 4/1

3:55 pm-3:04 pm

1 stop23h 09m

Ontario

Wed 4/9

2:43 pm-10:30 pm

1 stop7h 47m

$186

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Tue 2/25

8:00 am-4:28 pm

1 stop9h 28m

Ontario

Fri 2/28

1:21 pm-11:15 pm

1 stop8h 54m

$246

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Tue 2/25

3:30 pm-8:40 pm

1 stop6h 10m

Ontario

Sun 3/2

5:05 am-9:41 pm

1 stop15h 36m

$249

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Thu 2/27

12:35 pm-8:52 pm

2 stops9h 17m

Ontario

Tue 3/4

5:05 am-9:41 pm

1 stop15h 36m

$266

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sun 2/2

6:30 am-7:11 am

2 stops27h 41m

Ontario

Thu 2/6

2:37 pm-2:26 pm

2 stops20h 49m

$282

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Mon 2/3

5:14 pm-9:59 am

1 stop19h 45m

Ontario

Sun 2/9

11:59 pm-10:43 pm

1 stop19h 44m

$291

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Mon 2/3

5:00 pm-11:51 pm

1 stop9h 51m

Ontario

Sun 2/9

7:05 am-11:39 pm

2 stops13h 34m

$292

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Mon 2/3

4:10 pm-8:51 pm

1 stop7h 41m

Ontario

Thu 2/20

5:05 am-3:02 pm

1 stop6h 57m

$293

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Fri 2/28

6:29 am-9:11 am

2 stops27h 42m

Ontario

Mon 3/3

12:50 pm-9:54 pm

2 stops32h 04m

$299

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Thu 2/13

12:52 pm-10:52 pm

1 stop13h 00m

Ontario

Wed 2/19

1:05 pm-11:52 pm

1 stop7h 47m

$302

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 60 results
1
2
3
...
6

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.

Travel insights for flights from Canada to Ontario

Get recent, data-driven insights about flights from Canada to Ontario including ideal travel times, pricing trends, and more.

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 $310). 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 January 21, 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 January 21, 2025.
Peruse reviews from past customers who have flown with Delta, Alaska Airlines and Air Canada 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
9,706 reviews

Food

7.1

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 10

The attention and efficiency of the staff and the good handling of the pilot

Alaska Airlines
8.0
Very good
9,706 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Food

7.1

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 10

The attention and efficiency of the staff and the good handling of the pilot

Delta
8.0
Very good
8,521 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Food

7.1

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 10

The attention and efficiency of the staff and the good handling of the pilot

United Airlines
7.4
Good
8,984 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Food

7.1

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 10

The attention and efficiency of the staff and the good handling of the pilot

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Food

7.1

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 10

The attention and efficiency of the staff and the good handling of the pilot

WestJet
7.2
Good
2,829 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Food

7.1

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 10

The attention and efficiency of the staff and the good handling of the pilot

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 $149. 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 $310). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Canada to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to Los Angeles flights
Newark to Los Angeles flights
O'Hare Intl to Las Vegas flights
Dallas/Fort Worth to Las Vegas flights
John F Kennedy Intl to San Francisco flights
Minneapolis to Las Vegas flights
Denver to Las Vegas flights
Seattle to Las Vegas flights
San Francisco to Las Vegas flights
Seattle to Los Angeles flights
Newark to Las Vegas flights
Dallas/Fort Worth to Los Angeles flights
Dulles Intl to Las Vegas flights
Newark to San Francisco flights
Atlanta to Las Vegas flights
Los Angeles to Las Vegas flights
Boston to Las Vegas flights
O'Hare Intl to Los Angeles flights
Reagan-National to Los Angeles flights
LaGuardia to Las Vegas flights
LaGuardia to Los Angeles flights
Seattle to San Diego flights
Detroit to Las Vegas flights
Santa Ana to Las Vegas flights
Seattle to Santa Ana flights
Dulles Intl to Los Angeles flights
Baltimore to Las Vegas flights
Boston to Los Angeles flights
Seattle to Ontario flights
Baltimore to Los Angeles flights
Burbank to Las Vegas flights
Reagan-National to Las Vegas flights
Midway to Las Vegas flights
Seattle to San Francisco flights
Hobby to Las Vegas flights
San Francisco to Los Angeles flights
Los Angeles to San Francisco flights
San Jose to Las Vegas flights
O'Hare Intl to San Francisco flights
Philadelphia to Las Vegas flights
George Bush Intcntl to Las Vegas flights
Hobby to Los Angeles flights
Orlando to Las Vegas flights
Oakland to Las Vegas flights
Portland to Los Angeles flights
LaGuardia to San Francisco flights
Salt Lake City to Los Angeles flights
Austin to Las Vegas flights
Reagan-National to San Francisco flights

Top 6 airlines flying from Canada to Ontario

Discover the top 6 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$190Average$256FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$266Average$573FlexibilityNo cancel feeOn-time67%
Alaska AirlinesCheapest$291Average$470FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$313Average$391FlexibilityNo cancel feeOn-time71%
DeltaCheapest$314Average$357FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$334Average$515FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.