HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Pearson Intl

$124+ Cheap flights from Key Largo, FL to Pearson Intl (YYZ)

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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — YYZ
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Key Largo to Pearson Intl 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.

Cheapflights Tip: The best prices from Key Largo to Toronto Pearson Intl are usually found in March or January, booked 86 days in advance, depart on a Thursday or Friday and return on a Tuesday

Find flight deals from Key Largo to Pearson Intl

Cheapest flights from Key Largo to Pearson Intl
Explore the most affordable flight options available from Key Largo to Pearson Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This Trip.com deal was found by Cheapflights users on 11/1. 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 12/229:05 pmMIA - YYZ
Nonstop3h 21mMultiple Airlines
Wed 12/319:40 amYYZ - MIA
Nonstop3h 29mMultiple Airlines
Deal found 11/1$274
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
Thu 12/252:10 pmMIA - YYZ
Nonstop3h 20mPorter Airlines
Sun 1/49:40 amYYZ - MIA
Nonstop3h 29mPorter Airlines
Deal found 11/1$284
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Mon 12/222:10 pmMIA - YYZ
Nonstop3h 20mPorter Airlines
Sun 1/49:40 amYYZ - MIA
Nonstop3h 29mPorter Airlines
Deal found 11/2$291
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Mon 12/222:10 pmMIA - YYZ
Nonstop3h 20mPorter Airlines
Thu 1/19:40 amYYZ - MIA
Nonstop3h 29mPorter Airlines
Deal found 11/2$294
This Mytrip deal was found by Cheapflights users on 11/1. 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 12/222:10 pmMIA - YYZ
Nonstop3h 20mPorter Airlines
Wed 12/319:40 amYYZ - MIA
Nonstop3h 29mPorter Airlines
Deal found 11/1$295
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/232:10 pmMIA - YYZ
Nonstop3h 20mPorter Airlines
Sun 1/49:40 amYYZ - MIA
Nonstop3h 29mPorter Airlines
Deal found 11/2$296
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/232:10 pmMIA - YYZ
Nonstop3h 20mPorter Airlines
Thu 1/19:40 amYYZ - MIA
Nonstop3h 29mPorter Airlines
Deal found 11/2$298
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/242:10 pmMIA - YYZ
Nonstop3h 20mPorter Airlines
Wed 1/79:40 amYYZ - MIA
Nonstop3h 29mPorter Airlines
Deal found 11/2$301
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/242:10 pmMIA - YYZ
Nonstop3h 20mPorter Airlines
Mon 1/59:40 amYYZ - MIA
Nonstop3h 29mPorter Airlines
Deal found 11/2$305
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/245:30 amMIA - YYZ
2 stops17h 50mMultiple Airlines
Sun 1/49:40 amYYZ - MIA
Nonstop3h 29mMultiple Airlines
Deal found 11/2$308
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
Thu 12/118:21 amMIA - YYZ
2 stops11h 52mMultiple Airlines
Wed 12/179:40 amYYZ - MIA
Nonstop3h 29mMultiple Airlines
Deal found 11/1$313
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 11/265:30 amMIA - YYZ
2 stops18h 25mMultiple Airlines
Mon 12/17:45 pmYYZ - MIA
1 stop24h 02mMultiple Airlines
Deal found 11/3$316

Cheap flight deals from Key Largo to Pearson Intl

Keep the following information in mind while searching for Key Largo to Pearson Intl flight deals. Data was last updated November 3, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$272
(Mytrip)

One-way from

$124
(Kiwi.com)

Popular in

October

Cheapest in

March

Average price

$350
Provider with most accurate pricing for Miami-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Miami-Toronto (YTO) flights.
Search Deals
From Key Largo to Toronto Pearson Intl
Search Deals
One-way flight from Key Largo to Toronto Pearson Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 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 Key Largo to Pearson Intl 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 3, 2025.
Use the filters below to find and compare flights from Key Largo to Toronto Pearson Intl Airport that are best for you.

Fly from

Key Largo

Fly to

Pearson Intl

Route

Depart

Return

Price

MiamiToronto

MIA - YYZ

MIAYYZ

Miami

Thu 12/25

8:30 pm-11:49 pm

Nonstop3h 19m

Toronto Pearson Intl

Thu 1/1

4:44 pm-12:47 am

1 stop8h 03m

$367

MiamiToronto

MIA - YYZ

MIAYYZ

Miami

Sat 12/27

6:00 am-11:08 am

1 stop5h 08m

Toronto Pearson Intl

Thu 1/1

12:14 pm-10:08 pm

1 stop9h 54m

$377

MiamiToronto

MIA - YYZ

MIAYYZ

Miami

Wed 1/7

2:10 pm-5:30 pm

Nonstop3h 20m

Toronto Pearson Intl

Sun 1/11

9:40 am-1:09 pm

Nonstop3h 29m

$379

MiamiToronto

MIA - YYZ

MIAYYZ

Miami

Thu 1/22

2:10 pm-5:30 pm

Nonstop3h 20m

Toronto Pearson Intl

Mon 2/2

7:15 am-1:55 pm

1 stop6h 40m

$411

MiamiToronto

MIA - YYZ

MIAYYZ

Miami

Sun 11/16

6:25 am-2:20 pm

1 stop7h 55m

Toronto Pearson Intl

Sun 11/23

2:00 pm-10:29 pm

1 stop8h 29m

$418

MiamiToronto

MIA - YYZ

MIAYYZ

Miami

Sat 11/15

6:45 am-9:21 pm

1 stop14h 36m

Toronto Pearson Intl

Mon 11/17

2:00 pm-10:29 pm

1 stop8h 29m

$421

MiamiToronto

MIA - YYZ

MIAYYZ

Miami

Wed 1/7

12:35 pm-7:17 pm

1 stop6h 42m

Toronto Pearson Intl

Fri 1/16

2:57 pm-11:59 pm

1 stop9h 02m

$423

MiamiToronto

MIA - YYZ

MIAYYZ

Miami

Thu 1/8

6:00 am-11:08 am

1 stop5h 08m

Toronto Pearson Intl

Wed 1/14

2:25 pm-9:10 pm

1 stop6h 45m

$423

MiamiToronto

MIA - YYZ

MIAYYZ

Miami

Thu 1/8

4:19 pm-11:59 pm

1 stop7h 40m

Toronto Pearson Intl

Fri 1/16

2:57 pm-11:59 pm

1 stop9h 02m

$423

MiamiToronto

MIA - YYZ

MIAYYZ

Miami

Mon 11/24

7:00 am-1:43 pm

1 stop6h 43m

Toronto Pearson Intl

Wed 1/14

11:00 am-10:20 pm

2 stops11h 20m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from Key Largo to Pearson Intl

Have a flexible travel schedule? Discover the best time to fly to Pearson Intl from Key Largo 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 Key Largo to Toronto Pearson Intl Airport

How far ahead should I book a flight from Key Largo to Toronto Pearson Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Pearson Intl. Price data was last updated on October 31, 2025.

The price you pay for your flight from Key Largo to Toronto Pearson Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 86 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Key Largo to Toronto Pearson Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Key Largo to Toronto Pearson Intl Airport (average of $63). Flying from Key Largo to Toronto Pearson Intl Airport in August is currently the most expensive (average of $107). 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 KE9 to YYZ?

Find hourly flight availability from Key Largo to Pearson Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

It’s typically best to fly out from Key Largo to Toronto Pearson Intl Airport in the evening. Doing so could potentially save you 38% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Key Largo to Toronto Pearson Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Key Largo to Pearson Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Key Largo to Toronto Pearson Intl Airport flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Key Largo to Toronto Pearson Intl Airport

Explore weekly flight availability from Key Largo to Pearson Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 3, 2025.

The most flights from KE9 to YYZ are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Pearson Intl

Get insights into the airlines that provide service to Pearson Intl. 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 Pearson Intl. Reviews last updated November 3, 2025.
See what other customers who have flown with Porter Airlines, Delta, and American Airlines from Key Largo to Toronto Pearson Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
384 reviews

Entertainment

7.0

Food

7.6

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
8.0
Very good
384 reviews
Porter Airlines
8.0
Very good
384 reviews

Entertainment

7.0

Food

7.6

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Delta
7.9
Good
8,001 reviews
Porter Airlines
8.0
Very good
384 reviews

Entertainment

7.0

Food

7.6

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
American Airlines
7.2
Good
11,034 reviews
Porter Airlines
8.0
Very good
384 reviews

Entertainment

7.0

Food

7.6

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,397 reviews
Porter Airlines
8.0
Very good
384 reviews

Entertainment

7.0

Food

7.6

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Flair Airlines
6.0
Okay
253 reviews
Porter Airlines
8.0
Very good
384 reviews

Entertainment

7.0

Food

7.6

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Pearson Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Key Largo to Toronto Pearson Intl Airport?

    A quick flight from Key Largo to Toronto Pearson Intl Airport can take about 3h 19m. American Airlines provides one of the quickest options available for as low as $367. Key Largo and Toronto Pearson Intl Airport are separated by a distance of 1235 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Key Largo to Toronto Pearson Intl Airport one-way?

    For one-way options, check prices for Porter Airlines. According to our data, you can fly for as low as $151. Users have also found prices from $161 and $161 on Air Transat and Delta, respectively.

  • What are the most reliable airlines from Key Largo to Toronto Pearson Intl Airport?

    The top 3 most reliable airlines when flying from Key Largo to Toronto Pearson Intl Airport are Air Canada Rouge (91%), American Airlines (87%) and Qatar Airways (87%).

  • What are the cheapest flights from Key Largo to Toronto Pearson Intl Airport?

    Looking for the cheapest flight from Key Largo to Toronto Pearson Intl Airport? While on average our users pay $382, our data indicates the cheapest price to be $122. The most popular route (Miami - Toronto Pearson Intl), is priced around $291.

  • Can I find deals for flights from Key Largo to Pearson Intl that include hotel bookings?

    Yes. In addition to deals on Key Largo to Pearson Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Key Largo to Pearson Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key Largo to Pearson Intl.

  • Can I find deals for business class flights from Key Largo to Pearson Intl?

    Yes. Cheapflights offers flight deals from Key Largo to Pearson Intl 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 Key Largo to Toronto Pearson Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Key Largo to Toronto Pearson Intl Airport (average of $63). Flying from Key Largo to Toronto Pearson Intl Airport in August is currently the most expensive (average of $107). 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

Traveling to a place near Toronto Pearson Intl Airport?

Book flights to Toronto Pearson Intl Airport if you plan to visit one of these locations
Brampton
Kitchener
Markham
Collingwood
Oakville
Brantford
Pickering
Lindsay
Peterborough
Barrie
Cambridge
Milton
Oshawa
Burlington
Owen Sound
Ajax
Orillia
Vaughan
Richmond Hill
Gravenhurst

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 Key Largo to Pearson Intl

See prices for flight routes from nearby airports that may be better suited for you.
Fort Lauderdale to Pearson Intl flights
Orlando to Pearson Intl flights
Miami to Pearson Intl flights
Orlando to Toronto Island flights
Tampa to Pearson Intl flights
Fort Lauderdale to Toronto Island flights
Fort Myers to Pearson Intl flights
Miami to Toronto Island flights
Tampa to Toronto Island flights
West Palm Beach to Pearson Intl flights
Fort Lauderdale to Hamilton flights
Jacksonville to Pearson Intl flights
Sarasota to Pearson Intl flights
Orlando to Hamilton flights
Pensacola to Pearson Intl flights
Panama City to Pearson Intl flights
Jacksonville to Toronto Island flights
Daytona Beach to Pearson Intl flights
Melbourne to Pearson Intl flights
Gainesville to Pearson Intl flights
West Palm Beach to Toronto Island flights
Tallahassee to Pearson Intl flights
Valdosta to Pearson Intl flights
West Palm Beach to Hamilton flights

Top 8 airlines flying from Key Largo to Pearson Intl

Discover the top 8 airlines that operate flights from Key Largo to Pearson Intl. 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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Flair AirlinesCheapest$32Average$165FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$85Average$313FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$95Average$247FlexibilityNo cancel feeOn-time52%
WestJetCheapest$101Average$314FlexibilityNo cancel feeOn-time60%
DeltaCheapest$129Average$378FlexibilityNo cancel feeOn-timeN/A
Air TransatCheapest$133Average$304FlexibilityNo cancel feeOn-time50%
American AirlinesCheapest$220Average$389FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$227Average$321FlexibilityNo 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.