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 $101 on this airline. Additional options worth looking into are Air Canada and American Airlines, starting at $122 and $458 round-trip. United Airlines is currently priced 84% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Ontario to Toronto one-way?

The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $141. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Ontario to Toronto for a low price.

In terms of precipitation, rainfall in Toronto ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Toronto when rainfall is around 2.0 in.

If weather is an important factor for your trip to Toronto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

What are the most popular airlines that fly from Ontario to Toronto?

Before booking your flight from Ontario to Toronto check out the most popular airlines for this route: United Airlines, Air Canada or American Airlines.

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.

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 3 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.

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.

$91+ Flights from Ontario to Toronto

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

Airfare is below average for this route at the moment. Ontario to Toronto flights typically cost between $802 and $815 in January. The cheapest round-trip price found within the last 3 days was $236 on Multiple Airlines (Jan 12-Jan 20).

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1. Tell us where you want to go

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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 December 16, 2025.

Tue 12/306:04 amONT - YYZ

1 stop13h 33mUnited Airlines

Wed 1/76:10 amYYZ - ONT

1 stop18h 48mUnited Airlines

Deal found 12/15

$594

Tue 12/302:45 pmONT - YYZ

1 stop21h 50mMultiple Airlines

Sun 1/410:15 pmYYZ - ONT

2 stops22h 00mMultiple Airlines

Deal found 12/15

$597

Thu 12/256:07 pmONT - YYZ

1 stop9h 13mMultiple Airlines

Mon 12/2910:15 pmYYZ - ONT

2 stops26h 02mMultiple Airlines

Deal found 12/16

$664

Thu 12/256:00 amONT - YYZ

2 stops14h 11mMultiple Airlines

Thu 1/19:45 amYYZ - ONT

1 stop9h 22mMultiple Airlines

Deal found 12/16

$668

Wed 12/3111:59 pmONT - YYZ

1 stop6h 59mUnited Airlines

Sun 1/46:10 amYYZ - ONT

1 stop18h 42mUnited Airlines

Deal found 12/15

$709

Wed 12/316:00 amONT - YYZ

1 stop7h 52mUnited Airlines

Thu 1/13:30 pmYYZ - ONT

1 stop9h 55mUnited Airlines

Deal found 12/16

$720

Tue 12/3012:48 pmONT - YYZ

2 stops23h 47mAlaska Airlines

Wed 1/74:45 pmYYZ - ONT

1 stop21h 14mAlaska Airlines

Deal found 12/15

$771

Thu 12/186:17 pmONT - YYZ

1 stop9h 30mMultiple Airlines

Tue 12/239:35 amYYZ - ONT

1 stop9h 15mMultiple Airlines

Deal found 12/15

$802

Mon 12/295:05 amONT - YYZ

1 stop10h 30mUnited Airlines

Fri 1/28:30 amYYZ - ONT

1 stop7h 08mUnited Airlines

Deal found 12/15

$823

Best flights from Ontario to Toronto
Discover carefully curated flight deals from Ontario to Toronto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.

Tue 1/207:56 pmONT - YYZ

2 stops16h 39mAlaska Airlines

Tue 1/274:45 pmYYZ - ONT

2 stops29h 31mAlaska Airlines

Deal found 12/15

$372

Wed 1/285:05 amONT - YTZ

2 stops13h 30mMultiple Airlines

Wed 2/412:30 pmYTZ - ONT

2 stops27h 17mMultiple Airlines

Deal found 12/14

$716

Tue 1/135:59 pmONT - YYZ

2 stops18h 36mAlaska Airlines

Tue 1/204:45 pmYYZ - ONT

2 stops29h 31mAlaska Airlines

Deal found 12/16

$372

Fri 1/301:46 pmONT - YYZ

2 stops22h 49mAlaska Airlines

Fri 2/64:45 pmYYZ - ONT

2 stops29h 31mAlaska Airlines

Deal found 12/16

$394

Fri 1/3011:53 amONT - YYZ

1 stop24h 42mAlaska Airlines

Mon 2/94:45 pmYYZ - ONT

1 stop25h 23mAlaska Airlines

Deal found 12/15

$398

Fri 1/306:00 amONT - YYZ

1 stop30h 35mAlaska Airlines

Tue 2/104:45 pmYYZ - ONT

2 stops27h 18mAlaska Airlines

Deal found 12/15

$398

Tue 1/274:03 pmONT - YYZ

1 stop20h 32mAlaska Airlines

Sun 2/84:45 pmYYZ - ONT

1 stop21h 14mAlaska Airlines

Deal found 12/15

$398

Wed 1/284:03 pmONT - YYZ

1 stop20h 32mAlaska Airlines

Tue 2/104:45 pmYYZ - ONT

2 stops23h 21mAlaska Airlines

Deal found 12/15

$407

Sun 2/16:00 amONT - YYZ

1 stop30h 35mAlaska Airlines

Tue 2/104:45 pmYYZ - ONT

2 stops23h 21mAlaska Airlines

Deal found 12/15

$407

Thu 1/294:03 pmONT - YYZ

1 stop20h 32mAlaska Airlines

Tue 2/104:45 pmYYZ - ONT

2 stops27h 18mAlaska Airlines

Deal found 12/15

$407

Thu 1/294:03 pmONT - YYZ

1 stop20h 32mAlaska Airlines

Sun 2/84:45 pmYYZ - ONT

2 stops23h 21mAlaska Airlines

Deal found 12/15

$416

Fri 1/167:56 pmONT - YYZ

2 stops16h 39mAlaska Airlines

Sat 1/244:45 pmYYZ - ONT

2 stops23h 21mAlaska Airlines

Deal found 12/15

$418

Last-minute flights from Ontario to Toronto
Discover last-minute flight deals from Ontario to Toronto. Data last updated December 16, 2025 and is based on user searches.

Tue 1/136:49 pmONT - YYZ

2 stops21h 47mMultiple Airlines

Tue 1/204:45 pmYYZ - ONT

1 stop25h 23mMultiple Airlines

Deal found 12/16

$323

Fri 1/1610:18 pmONT - YYZ

1 stop29h 02mMultiple Airlines

Sat 1/249:35 amYYZ - ONT

1 stop12h 05mMultiple Airlines

Deal found 12/15

$267

Tue 1/203:07 pmONT - YYZ

2 stops25h 29mMultiple Airlines

Tue 1/274:45 pmYYZ - ONT

1 stop25h 23mMultiple Airlines

Deal found 12/15

$338

Wed 1/285:05 amONT - YTZ

2 stops13h 30mMultiple Airlines

Wed 2/412:30 pmYTZ - ONT

2 stops27h 17mMultiple Airlines

Deal found 12/14

$716

Thu 1/293:22 pmONT - YYZ

1 stop12h 25mMultiple Airlines

Thu 2/51:30 pmYYZ - ONT

2 stops22h 53mMultiple Airlines

Deal found 12/15

$254

Fri 1/308:48 pmONT - YYZ

1 stop20h 07mMultiple Airlines

Fri 2/67:55 pmYYZ - ONT

1 stop20h 39mMultiple Airlines

Deal found 12/16

$280

One-way flights from Ontario to Toronto
Search for one-way flight options from Ontario to Toronto. Find affordable one-way fares based on user searches. Data last updated December 16, 2025.

Sun 1/112:34 pmONT - YYZ

1 stop12h 46mMultiple Airlines

Deal found 12/15

$91

Wed 1/710:45 amONT - YYZ

3 stops33h 54mMultiple Airlines

Deal found 12/14

$97

Sun 1/258:27 pmONT - YYZ

1 stop6h 53mMultiple Airlines

Deal found 12/14

$98

Mon 1/122:34 pmONT - YYZ

2 stops26h 02mMultiple Airlines

Deal found 12/14

$102

Thu 1/1510:18 pmONT - YYZ

2 stops29h 40mMultiple Airlines

Deal found 12/14

$105

Thu 1/2911:04 amONT - YYZ

1 stop16h 43mMultiple Airlines

Deal found 12/14

$109

Fri 1/3010:18 amONT - YYZ

1 stop17h 02mMultiple Airlines

Deal found 12/14

$114

Thu 1/82:34 pmONT - YYZ

3 stops30h 05mMultiple Airlines

Deal found 12/14

$121

Thu 12/259:48 amONT - YTZ

3 stops33h 15mMultiple Airlines

Deal found 12/15

$409

Thu 12/255:05 amONT - YTZ

2 stops13h 10mPorter Airlines

Deal found 12/15

$493

Fri 12/266:00 amONT - YTZ

3 stops48h 48mMultiple Airlines

Deal found 12/15

$500

Wed 12/246:00 pmONT - YTZ

3 stops34h 58mMultiple Airlines

Deal found 12/15

$508

Find flight deals from Ontario to Toronto

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$236 (Kiwi.com)
One-way from	$91 (Trip.com)
Popular in	October
Cheapest in	April
Average price	$802

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 ($264 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($37 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Tue 1/20

7:56 pm-3:35 pm

2 stops16h 39m

Toronto Pearson Intl

Tue 1/27

4:45 pm-7:16 pm

2 stops29h 31m

$372

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Tue 1/13

5:59 pm-3:35 pm

2 stops18h 36m

Toronto Pearson Intl

Tue 1/20

4:45 pm-7:16 pm

2 stops29h 31m

$372

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Fri 1/30

1:46 pm-3:35 pm

2 stops22h 49m

Toronto Pearson Intl

Fri 2/6

4:45 pm-7:16 pm

2 stops29h 31m

$394

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Fri 1/30

11:53 am-3:35 pm

1 stop24h 42m

Toronto Pearson Intl

Mon 2/9

4:45 pm-3:08 pm

1 stop25h 23m

$398

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Fri 1/30

6:00 am-3:35 pm

1 stop30h 35m

Toronto Pearson Intl

Tue 2/10

4:45 pm-5:03 pm

2 stops27h 18m

$398

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Tue 1/27

4:03 pm-3:35 pm

1 stop20h 32m

Toronto Pearson Intl

Sun 2/8

4:45 pm-10:59 am

1 stop21h 14m

$398

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Wed 1/28

4:03 pm-3:35 pm

1 stop20h 32m

Toronto Pearson Intl

Tue 2/10

4:45 pm-1:06 pm

2 stops23h 21m

$407

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Sun 2/1

6:00 am-3:35 pm

1 stop30h 35m

Toronto Pearson Intl

Tue 2/10

4:45 pm-1:06 pm

2 stops23h 21m

$407

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Thu 1/29

4:03 pm-3:35 pm

1 stop20h 32m

Toronto Pearson Intl

Tue 2/10

4:45 pm-5:03 pm

2 stops27h 18m

$407

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Thu 1/29

4:03 pm-3:35 pm

1 stop20h 32m

Toronto Pearson Intl

Sun 2/8

4:45 pm-1:06 pm

2 stops23h 21m

$416

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 26 results

Compare providers for flights from Ontario to Toronto

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Toronto in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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 $150). 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?

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?

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

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?

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?

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?

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

Reviews of airlines servicing Toronto

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

8,009 reviews

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

8,009 reviews

Delta

7.9

Good

8,009 reviews

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

9,094 reviews

Delta

7.9

Good

8,009 reviews

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

11,047 reviews

Delta

7.9

Good

8,009 reviews

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

10,529 reviews

Delta

7.9

Good

8,009 reviews

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

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 3 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.
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 $101 on this airline. Additional options worth looking into are Air Canada and American Airlines, starting at $122 and $458 round-trip. United Airlines is currently priced 84% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Ontario to Toronto one-way?
The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $141. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Ontario to Toronto for a low price.
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 $150). 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

Top 3 airlines flying from Ontario to Toronto

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$105	Average$588	FlexibilityNo cancel fee	On-time69%
Air Canada	Cheapest$279	Average$522	FlexibilityNo cancel fee	On-time67%
American Airlines	Cheapest$458	Average$742	FlexibilityNo cancel fee	On-time71%

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$91+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Toronto with Cheapflights

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2. Select your favorite providers

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Cheap flight deals from Ontario to Toronto

Cheapest flights from Ontario to TorontoExplore 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 December 16, 2025.

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 December 16, 2025.

Find flight deals from Ontario to Toronto

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Toronto that are best for you.

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 December.

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.

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?

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 December 16, 2025.

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.

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.

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.

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.

Reviews of airlines servicing Toronto

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.

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?

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

What are the cheapest airlines to fly from Ontario to Toronto one-way?

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

How can I find direct flights from Ontario to Toronto?

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

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

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 Ontario to Toronto

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Ontario to Toronto

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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 December 16, 2025.