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$199+ Cheap flights from Ontario (ONT) to Toronto (YTO)

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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YTO
Jun 29 — Jul 61
Mon 6/29
Mon 7/6
1 adult, Economy
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Cheap flight deals from Ontario to Toronto

Cheapest flights from Ontario to Toronto
Explore the most affordable flight options available from Ontario to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 30, 2026.

This United Airlines deal was found by Cheapflights users on 5/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/35:00 am
ONT
-
YYZ
1 stop7h 14m
United Airlines
Fri 7/35:15 pm
YYZ
-
ONT
1 stop8h 36m
United Airlines
Deal found 5/29$442
This Kiwi.com deal was found by Cheapflights users on 5/28. 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.
Wed 6/243:34 pm
ONT
-
YYZ
2 stops34h 36m
Multiple Airlines
Tue 7/218:30 pm
YYZ
-
ONT
1 stop14h 33m
Multiple Airlines
Deal found 5/28$444
This Kiwi.com deal was found by Cheapflights users on 5/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/13:34 pm
ONT
-
YYZ
1 stop12h 05m
Multiple Airlines
Tue 7/78:30 pm
YYZ
-
ONT
1 stop14h 33m
Multiple Airlines
Deal found 5/27$450
This Kiwi.com deal was found by Cheapflights users on 5/28. 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.
Wed 8/263:34 pm
ONT
-
YYZ
1 stop12h 05m
Multiple Airlines
Mon 8/318:30 pm
YYZ
-
ONT
1 stop21h 39m
Multiple Airlines
Deal found 5/28$453
This Kiwi.com deal was found by Cheapflights users on 5/28. 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.
Tue 6/233:34 pm
ONT
-
YYZ
2 stops30h 31m
Multiple Airlines
Tue 6/309:45 am
YYZ
-
ONT
1 stop30h 03m
Multiple Airlines
Deal found 5/28$460
This Kiwi.com deal was found by Cheapflights users on 5/28. 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.
Wed 8/193:34 pm
ONT
-
YYZ
1 stop12h 05m
Multiple Airlines
Sun 8/238:30 pm
YYZ
-
ONT
1 stop21h 39m
Multiple Airlines
Deal found 5/28$463
This Kissandfly.com deal was found by Cheapflights users on 5/29. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/310:00 pm
ONT
-
YYZ
1 stop11h 25m
KLM
Thu 7/91:38 pm
YYZ
-
ONT
1 stop11h 12m
KLM
Deal found 5/29$465
This United Airlines deal was found by Cheapflights users on 5/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:10 am
ONT
-
YYZ
1 stop8h 46m
United Airlines
Thu 7/95:27 pm
YYZ
-
ONT
1 stop8h 24m
United Airlines
Deal found 5/29$466
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 10/202:58 pm
ONT
-
YYZ
2 stops11h 47m
Multiple Airlines
Sun 10/259:45 am
YYZ
-
ONT
1 stop9h 25m
Multiple Airlines
Deal found 5/25$467
This United Airlines deal was found by Cheapflights users on 5/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/291:50 pm
ONT
-
YYZ
2 stops17h 04m
United Airlines
Wed 7/86:30 am
YYZ
-
ONT
1 stop8h 42m
United Airlines
Deal found 5/29$472
This United Airlines deal was found by Cheapflights users on 5/27. 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.
Wed 9/169:01 am
ONT
-
YYZ
2 stops12h 12m
United Airlines
Sun 9/206:30 am
YYZ
-
ONT
1 stop8h 42m
United Airlines
Deal found 5/27$476
This United Airlines deal was found by Cheapflights users on 5/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:10 am
ONT
-
YTZ
1 stop7h 31m
United Airlines
Thu 7/912:15 pm
YTZ
-
ONT
1 stop13h 36m
United Airlines
Deal found 5/29$543

Find flight deals from Ontario to Toronto

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Toronto (YTO). 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 May 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$442
(United Airlines)

One-way from

$199
(Trip.com)

Popular in

January

Cheapest in

April

Average price

$455
Provider with most accurate pricing for Ontario-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Toronto (YTO) flights.
Search Deals
From Ontario to Toronto (YTO)
Search Deals
One-way flight from Ontario to Toronto (YTO)
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($236 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($55 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Toronto 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 May 30, 2026.
Use the filters below to find and compare flights from Ontario to Toronto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Wed 9/16

5:00 am-3:14 pm

1 stop7h 14m

Toronto Pearson Intl

Sun 9/20

6:30 am-12:12 pm

1 stop8h 42m

$466

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Fri 9/25

5:00 am-11:54 pm

2 stops15h 54m

Toronto Pearson Intl

Wed 9/30

9:44 am-9:58 pm

2 stops15h 14m

$482

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Sat 6/13

6:05 am-4:56 pm

1 stop7h 51m

Toronto Pearson Intl

Fri 6/19

6:30 am-12:12 pm

1 stop8h 42m

$489

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Sun 6/21

10:00 pm-12:25 pm

1 stop11h 25m

Toronto Pearson Intl

Thu 6/25

1:40 pm-9:48 pm

1 stop11h 08m

$557

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Sat 7/18

6:00 am-4:35 pm

1 stop7h 35m

Toronto Pearson Intl

Tue 7/28

5:45 pm-11:48 pm

1 stop9h 03m

$557

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Thu 8/13

6:00 am-4:14 pm

1 stop7h 14m

Toronto Pearson Intl

Tue 8/18

6:30 am-12:12 pm

1 stop8h 42m

$557

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Wed 7/1

6:00 am-4:10 pm

1 stop7h 10m

Toronto Pearson Intl

Fri 7/3

2:45 pm-10:51 pm

1 stop11h 06m

$557

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Tue 10/27

5:00 am-7:19 pm

2 stops11h 19m

Toronto Pearson Intl

Fri 10/30

5:16 pm-11:06 pm

1 stop8h 50m

$567

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Sat 6/20

6:05 am-4:56 pm

1 stop7h 51m

Toronto Pearson Intl

Sat 6/27

6:30 am-12:12 pm

1 stop8h 42m

$607

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Fri 6/26

5:21 pm-11:19 am

2 stops14h 58m

Toronto Pearson Intl

Thu 7/9

6:10 am-4:30 pm

2 stops13h 20m

$617

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/29

Showing 1-10 of 42 resultsSorted by cheapest first
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Compare providers for flights from Ontario to Toronto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Toronto in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Toronto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Toronto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Toronto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Toronto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Toronto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Toronto

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

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

Currently, June is the cheapest month in which you can book a flight from Ontario to Toronto (average of $128). Flying from Ontario to Toronto in January is currently the most expensive (average of $1,005). 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.

How much does it cost to fly round-trip from Ontario to Toronto?

What’s the top layover airport for flights from Ontario to Toronto?

Share of 1-stop round-trip flights from Ontario to Toronto chosen by Cheapflights users in the past 12 months, using the same layover each way.

Chicago (ORD) – chosen by Cheapflights users on 50% of 1-stop itineraries from Ontario to Toronto on Cheapflights.

What’s the cheapest layover airport for flights from Ontario to Toronto?

Average round-trip fare for 1-stop flights from Ontario to Toronto, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of $614.

What’s the fastest layover option from Ontario to Toronto?

Shortest average travel time for 1-stop one-way flights from Ontario to Toronto, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 6h 41m.

Which airport typically offers the quickest layover for flights from Ontario to Toronto?

Average layover duration for 1-stop one-way flights from Ontario to Toronto, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 04m.

Reviews of airlines servicing Toronto

Get insights into the airlines that provide service to Toronto. 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 Toronto. Reviews last updated May 30, 2026.
See what other customers who have flown with United Airlines and Air Canada from Ontario to Toronto have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,766 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,766 reviews
United Airlines
7.4
Good
9,766 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
Air Canada
7.1
Good
11,105 reviews
United Airlines
7.4
Good
9,766 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Toronto. 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 from for flights from Ontario to Toronto?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Toronto. You should not have trouble finding flights to Toronto from Ontario; the airport handles an average of 0 outbound flights to Toronto per day. You should also have plenty of airline options to choose from since 4 airlines have flights from the Ontario airport to Toronto. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

  • How long is the flight from Ontario to Toronto?

    United Airlines and Delta can get you from Ontario to Toronto in just under 7h 14m. Your travel time can differ by up to 4h 11m. There are 2126 mi between Ontario and Toronto. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Ontario to Toronto round-trip?

    Our cheapest airline available from Ontario to Toronto is Delta. Our recent data shows that you can find tickets from as low as $142 on this airline. Additional options worth looking into are Air Canada and United Airlines, starting at $279 and $320 round-trip. Delta is currently priced 81% below the average price you’ll pay for this route.

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

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

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

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

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

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

    Currently, June is the cheapest month in which you can book a flight from Ontario to Toronto (average of $128). Flying from Ontario to Toronto in January is currently the most expensive (average of $1,005). 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.

Top 4 airlines flying from Ontario to Toronto

Discover the top 4 airlines that operate flights from Ontario to Toronto. 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 May 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$142Average$492FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$279Average$600FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$320Average$633FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$436Average$698FlexibilityNo cancel feeOn-time71%

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