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$106+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YTO
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Find 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 November 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/19. 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 12/126:15 amONT - YYZ
1 stop11h 17mMultiple Airlines
Mon 12/158:00 pmYYZ - ONT
1 stop28h 17mMultiple Airlines
Deal found 11/19$269
This Trip.com deal was found by Cheapflights users on 11/19. 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.
Mon 12/226:00 pmONT - YYZ
1 stop9h 47mMultiple Airlines
Sun 1/48:00 pmYYZ - ONT
1 stop24h 15mMultiple Airlines
Deal found 11/19$305
This Trip.com deal was found by Cheapflights users on 11/19. 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.
Fri 12/196:00 amONT - YYZ
1 stop21h 47mMultiple Airlines
Sun 1/48:00 pmYYZ - ONT
1 stop28h 17mMultiple Airlines
Deal found 11/19$308
This Trip.com deal was found by Cheapflights users on 11/19. 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.
Sat 12/206:00 amONT - YYZ
1 stop21h 20mMultiple Airlines
Tue 12/309:35 amYYZ - ONT
1 stop10h 47mMultiple Airlines
Deal found 11/19$333
This Trip.com deal was found by Cheapflights users on 11/19. 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.
Wed 12/246:00 amONT - YYZ
2 stops36h 53mMultiple Airlines
Sun 1/48:00 pmYYZ - ONT
1 stop24h 15mMultiple Airlines
Deal found 11/19$341
This Trip.com deal was found by Cheapflights users on 11/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:00 amONT - YYZ
1 stop10h 55mMultiple Airlines
Sun 1/47:55 pmYYZ - ONT
1 stop24h 20mMultiple Airlines
Deal found 11/20$349
This Trip.com deal was found by Cheapflights users on 11/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:16 pmONT - YYZ
1 stop10h 04mMultiple Airlines
Sun 1/47:55 pmYYZ - ONT
1 stop28h 22mMultiple Airlines
Deal found 11/18$354
This Trip.com deal was found by Cheapflights users on 11/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:00 amONT - YYZ
1 stop21h 20mMultiple Airlines
Sat 1/37:55 pmYYZ - ONT
1 stop28h 32mMultiple Airlines
Deal found 11/20$363
This Trip.com deal was found by Cheapflights users on 11/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:00 amONT - YYZ
1 stop21h 20mMultiple Airlines
Fri 1/27:55 pmYYZ - ONT
1 stop23h 36mMultiple Airlines
Deal found 11/20$365
This Mytrip deal was found by Cheapflights users on 11/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:45 amONT - YTZ
3 stops31h 58mMultiple Airlines
Sat 12/62:05 pmYTZ - ONT
3 stops30h 02mMultiple Airlines
Deal found 11/17$1,127

Cheap 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 November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$251
(Kiwi.com)

One-way from

$106
(Trip.com)

Popular in

October

Cheapest in

February

Average price

$869
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. 28% potential increase in price ($256 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 November 20, 2025.
Use the filters below to find and compare flights from Ontario to Toronto that are best for you.

Fly from

Ontario

Fly to

Toronto

Route

Depart

Return

Price

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Fri 12/12

6:15 am-6:20 am

1 stop21h 05m

Toronto Pearson Intl

Fri 1/2

7:55 pm-4:31 pm

1 stop23h 36m

$402

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Thu 1/22

4:03 pm-3:35 pm

1 stop20h 32m

Toronto Pearson Intl

Sat 1/24

4:45 pm-10:59 am

1 stop21h 14m

$415

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Fri 1/9

7:56 pm-3:35 pm

2 stops16h 39m

Toronto Pearson Intl

Sat 1/17

4:45 pm-1:06 pm

2 stops23h 21m

$418

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Wed 1/21

3:30 pm-3:59 pm

2 stops21h 29m

Toronto Pearson Intl

Sun 1/25

6:30 am-10:51 pm

2 stops19h 21m

$430

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Sun 12/21

6:00 am-3:35 pm

1 stop30h 35m

Toronto Pearson Intl

Wed 12/31

4:45 pm-12:14 am

1 stop10h 29m

$433

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Wed 1/21

4:03 pm-3:35 pm

1 stop20h 32m

Toronto Pearson Intl

Sun 1/25

4:45 pm-10:59 am

1 stop21h 14m

$443

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Tue 12/23

7:19 pm-3:35 pm

1 stop17h 16m

Toronto Pearson Intl

Wed 12/31

4:45 pm-12:14 am

1 stop10h 29m

$448

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Mon 12/22

6:00 am-6:47 am

1 stop21h 47m

Toronto Pearson Intl

Fri 1/2

8:00 pm-4:31 pm

1 stop23h 31m

$461

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Thu 12/25

11:15 am-11:59 pm

1 stop9h 44m

Toronto Pearson Intl

Tue 1/6

6:10 am-11:31 am

1 stop8h 21m

$468

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Thu 12/25

11:15 am-11:59 pm

1 stop9h 44m

Toronto Pearson Intl

Wed 1/7

6:10 am-11:31 am

1 stop8h 21m

$468

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 29 results
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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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Toronto flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 $74). Flying from Ontario to Toronto in November is currently the most expensive (average of $147). 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 ONT to YTO?

Find hourly flight availability from Ontario to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 21% on flights from Ontario to Toronto by exploring options for tickets at noon.

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

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 November 20, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines 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.
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
7.9
Good
8,002 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
9,027 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
11,045 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.1
Good
10,462 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    Alaska Airlines and Delta can get you from Ontario to Toronto in just under 20h 32m. Your travel time can differ by up to 57m. 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 United Airlines. Our recent data shows that you can find tickets from as low as $159 on this airline. Additional options worth looking into are Air Canada and Delta, starting at $279 and $329 round-trip. United Airlines is currently priced 75% 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 $74). Flying from Ontario to Toronto in November is currently the most expensive (average of $147). 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.

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Alternative routes for Ontario to Toronto

See prices for flight routes from nearby airports that may be better suited for you.
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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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$159Average$485FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$279Average$371FlexibilityNo cancel feeOn-time67%
DeltaCheapest$329Average$413FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$458Average$742FlexibilityNo cancel feeOn-time71%

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