HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$137+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ONT
Touko 18 — Touko 251
ma 5/18
ma 5/25
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

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 huhtikuu 18, 2026.

This Kissandfly.com deal was found by Cheapflights users on 4/14. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pe 5/17:00 am
YVR
-
ONT
1 stop15h 59m
Lufthansa
ma 5/46:00 am
ONT
-
YVR
1 stop4h 48m
Lufthansa
Deal found 4/14$249
This Delta deal was found by Cheapflights users on 4/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 5/46:15 am
YVR
-
ONT
1 stop4h 58m
Delta
pe 5/86:45 am
ONT
-
YVR
1 stop9h 48m
Delta
Deal found 4/18$257
This United Airlines deal was found by Cheapflights users on 4/18. 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.
ke 9/167:00 am
YVR
-
ONT
1 stop5h 12m
United Airlines
la 9/191:18 pm
ONT
-
YVR
1 stop9h 38m
United Airlines
Deal found 4/18$258
This Billigflug deal was found by Cheapflights users on 4/14. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pe 5/17:00 am
YVR
-
ONT
1 stop15h 59m
Air Canada
ma 5/46:00 am
ONT
-
YVR
1 stop4h 48m
Air Canada
Deal found 4/14$262
This United Airlines deal was found by Cheapflights users on 4/14. 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.
ke 6/32:41 pm
YVR
-
ONT
2 stops7h 56m
United Airlines
ma 6/156:30 pm
ONT
-
YVR
1 stop15h 21m
United Airlines
Deal found 4/14$263
This United Airlines deal was found by Cheapflights users on 4/15. 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.
la 5/27:00 am
YVR
-
ONT
1 stop15h 59m
United Airlines
ti 5/56:00 am
ONT
-
YVR
1 stop4h 48m
United Airlines
Deal found 4/15$264
This United Airlines deal was found by Cheapflights users on 4/17. 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.
to 9/175:25 pm
YVR
-
ONT
1 stop5h 33m
United Airlines
ma 9/211:44 pm
ONT
-
YVR
1 stop7h 15m
United Airlines
Deal found 4/17$265
This Kiwi.com deal was found by Cheapflights users on 4/13. 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.
to 6/119:30 am
YYZ
-
ONT
2 stops13h 21m
Multiple Airlines
su 6/143:34 pm
ONT
-
YYZ
1 stop25h 26m
Multiple Airlines
Deal found 4/13$270
This Delta deal was found by Cheapflights users on 4/16. 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.
to 6/117:23 am
YVR
-
ONT
1 stop9h 56m
Delta
la 6/136:00 am
ONT
-
YVR
1 stop9h 29m
Delta
Deal found 4/16$272
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ke 5/63:30 pm
YVR
-
ONT
1 stop19h 21m
Multiple Airlines
ma 5/117:59 pm
ONT
-
YVR
1 stop13h 41m
Multiple Airlines
Deal found 4/17$282
This Delta deal was found by Cheapflights users on 4/16. 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.
to 7/96:15 am
YVR
-
ONT
1 stop5h 04m
Delta
ti 7/149:40 am
ONT
-
YVR
1 stop8h 04m
Delta
Deal found 4/16$291
This Jetabroad deal was found by Cheapflights users on 4/16. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to 5/77:00 am
YVR
-
ONT
1 stop5h 22m
Air Canada
ma 5/116:59 pm
ONT
-
YVR
1 stop13h 52m
Air Canada
Deal found 4/16$293

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 huhtikuu 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(Kissandfly.com)

One-way from

$137
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$365
Provider with most accurate pricing for Toronto (YTO)-Los Angeles Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto (YTO)-Los Angeles 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. 1% potential increase in price ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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 huhtikuu 18, 2026.
Use the filters below to find and compare flights from Canada to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

to 6/11

7:23 am-5:19 pm

1 stop9h 56m

Ontario

la 6/13

6:00 am-3:29 pm

1 stop9h 29m

$272

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

to 5/7

6:44 pm-11:34 pm

1 stop4h 50m

Ontario

la 5/9

1:35 pm-9:09 pm

1 stop7h 34m

$298

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

pe 5/1

3:15 pm-10:59 pm

1 stop7h 44m

Ontario

ti 5/5

5:00 am-11:10 am

1 stop6h 10m

$311

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

pe 5/8

7:00 am-5:52 pm

1 stop10h 52m

Ontario

ma 5/11

5:00 am-9:50 pm

1 stop16h 50m

$316

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

pe 5/1

7:00 am-10:59 pm

1 stop15h 59m

Ontario

to 5/7

5:00 am-11:10 am

1 stop6h 10m

$317

EdmontonOntario

YEG - ONT

YEGONT

Edmonton

to 9/3

6:00 am-8:52 pm

1 stop15h 52m

Ontario

ke 9/9

5:00 am-10:09 pm

1 stop16h 09m

$319

CalgaryOntario

YYC - ONT

YYCONT

Calgary

pe 5/8

7:45 am-4:17 pm

1 stop9h 32m

Ontario

ma 5/11

1:29 pm-10:57 pm

1 stop8h 28m

$336

CalgaryOntario

YYC - ONT

YYCONT

Calgary

pe 5/1

7:40 am-4:25 pm

1 stop9h 45m

Ontario

to 5/7

6:00 am-11:37 am

1 stop4h 37m

$337

CalgaryOntario

YYC - ONT

YYCONT

Calgary

ke 5/6

3:22 pm-10:59 pm

1 stop8h 37m

Ontario

ti 5/12

6:00 am-12:19 pm

1 stop5h 19m

$337

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

pe 5/1

7:23 am-5:15 pm

1 stop9h 52m

Ontario

su 5/10

6:45 am-10:51 pm

1 stop16h 06m

$340

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 60 resultsSorted by cheapest first
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.

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, July is the cheapest month in which you can book a flight from Canada to Ontario (average of $96). Flying from Canada to Ontario in March is currently the most expensive (average of $405). 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.

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 huhtikuu 18, 2026.
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
9,605 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

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
9,605 reviews
United Airlines
7.4
Good
9,605 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

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, United Airlines, and WestJet fly from Canada to Ontario in about 7h 44m. The time it takes to get you to your destination can typically vary by up to 17h 52m. 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 WestJet, with whom users have recently found tickets for as low as $86. However, be on the lookout for offers from Air Canada 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, July is the cheapest month in which you can book a flight from Canada to Ontario (average of $96). Flying from Canada to Ontario in March is currently the most expensive (average of $405). 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.
Newark to San Francisco flights
John F Kennedy Intl to San Francisco flights
LaGuardia to San Francisco flights
John F Kennedy Intl to Las Vegas flights
Seattle to Las Vegas flights
Newark to Las Vegas flights
O'Hare Intl to Las Vegas flights
Seattle to Los Angeles flights
John F Kennedy Intl to Los Angeles flights
Dallas/Fort Worth to Los Angeles flights
San Francisco to Las Vegas flights
San Francisco to Los Angeles flights
Newark to Los Angeles flights
Los Angeles to San Francisco flights
Dallas/Fort Worth to Las Vegas flights
LaGuardia to Las Vegas flights
Dulles Intl to Las Vegas flights
Denver to Las Vegas flights
Los Angeles to Las Vegas flights
LaGuardia to Los Angeles flights
Atlanta to Las Vegas flights
Boston to Las Vegas flights
Dallas/Fort Worth to San Francisco flights
Burbank to Las Vegas flights
Seattle to San Francisco flights
Baltimore to Las Vegas flights
O'Hare Intl to Los Angeles flights
Santa Ana to Las Vegas flights
Reagan-National to Los Angeles flights
Reagan-National to Las Vegas flights
Ontario to San Francisco flights
Minneapolis to Las Vegas flights
Baltimore to Los Angeles flights
San Francisco to Santa Ana flights
O'Hare Intl to San Francisco flights
Hobby to Las Vegas flights
Stewart to San Francisco flights
Hobby to Los Angeles flights
Seattle to Ontario flights
Ontario to Las Vegas flights
San Francisco to Ontario flights
Boston to Los Angeles flights
Atlanta to Los Angeles flights
Santa Ana to San Francisco flights
Dallas/Fort Worth to Ontario flights
Portland to Las Vegas flights
San Jose to Las Vegas flights
Detroit to Las Vegas flights
Dulles Intl to San Francisco flights
Austin to Las Vegas flights

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 huhtikuu 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$262Average$580FlexibilityNo 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.