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Cheap flights from Toronto to Key Largo from C$ 209

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.
YTO — MIA
14 Oct — 21 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Toronto to Key Largo are usually found in January or April, booked 29 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from Toronto to Key Largo

Keep the following information in mind while searching for Toronto to Key Largo flight deals. Data was last updated 14 September 2025.

Round-trip from

C$ 321

One-way from

C$ 209

Popular in

December

Cheapest in

January

Average price

C$ 469
Porter Airlines
  • Porter Airlines
  • 22/1-26/1
  • Nonstop
  • 6h 49m total
  • Toronto to Key Largo
Search Deals
Porter Airlines
  • Porter Airlines
  • 1/11
  • Nonstop
  • 3h 29m total
  • Toronto to Key Largo
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Toronto to Key Largo

Cheapest flights from Toronto to Key Largo
Explore the most affordable flight options available from Toronto to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 September 2025.

Sun 2/114:00 p.m.YYZ - MIA
1 stop19h 45mMultiple Airlines
Mon 10/1111:28 a.m.MIA - YYZ
1 stop9h 39mMultiple Airlines
Deal found 14/9C$ 328
Fri 31/109:40 a.m.YYZ - MIA
Nonstop3h 29mPorter Airlines
Mon 3/112:10 p.m.MIA - YYZ
Nonstop3h 20mPorter Airlines
Deal found 14/9C$ 332
Sun 26/109:40 a.m.YYZ - MIA
Nonstop3h 29mPorter Airlines
Sat 1/112:10 p.m.MIA - YYZ
Nonstop3h 20mPorter Airlines
Deal found 14/9C$ 338
Wed 29/103:30 p.m.YTZ - MIA
1 stop6h 59mAir Canada
Wed 5/118:00 a.m.MIA - YTZ
2 stops10h 13mAir Canada
Deal found 14/9C$ 339
Sun 26/109:40 a.m.YYZ - MIA
Nonstop3h 29mPorter Airlines
Sun 2/112:10 p.m.MIA - YYZ
Nonstop3h 20mPorter Airlines
Deal found 13/9C$ 343
Mon 10/119:40 a.m.YYZ - MIA
Nonstop3h 29mMultiple Airlines
Mon 17/1111:28 a.m.MIA - YYZ
1 stop9h 39mMultiple Airlines
Deal found 11/9C$ 345
Fri 12/129:40 a.m.YYZ - MIA
Nonstop3h 29mPorter Airlines
Fri 9/12:10 p.m.MIA - YYZ
Nonstop3h 20mPorter Airlines
Deal found 11/9C$ 347
Sun 16/119:40 a.m.YYZ - MIA
Nonstop3h 29mPorter Airlines
Fri 28/112:10 p.m.MIA - YYZ
Nonstop3h 20mPorter Airlines
Deal found 12/9C$ 356
Sat 1/119:40 a.m.YYZ - MIA
Nonstop3h 29mMultiple Airlines
Mon 10/1111:28 a.m.MIA - YYZ
1 stop9h 39mMultiple Airlines
Deal found 14/9C$ 358
Fri 5/129:40 a.m.YYZ - MIA
Nonstop3h 29mPorter Airlines
Fri 12/122:10 p.m.MIA - YYZ
Nonstop3h 20mPorter Airlines
Deal found 12/9C$ 360
Sun 26/102:00 p.m.YYZ - MIA
1 stop8h 29mAir Canada
Sat 1/119:05 p.m.MIA - YYZ
Nonstop3h 21mAir Canada
Deal found 14/9C$ 361
Tue 28/103:30 p.m.YTZ - MIA
1 stop6h 59mAir Canada
Tue 4/118:00 a.m.MIA - YTZ
1 stop6h 55mAir Canada
Deal found 13/9C$ 367

Cheapflights Fare Finder

 
Customize your flight search to find flights from Toronto to Key Largo 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 629,999 searches. Data last updated 14 September 2025.
Use the filters below to find and compare flights from Toronto to Key Largo that are best for you.

Fly from

Toronto

Fly to

Key Largo

Route

Depart

Return

Price

TorontoMiami

YTZ - MIA

YTZMIA

Toronto Island

Sun 25/1

3:30 p.m.-10:29 p.m.

1 stop6h 59m

Miami

Thu 29/1

8:00 a.m.-2:55 p.m.

1 stop6h 55m

C$ 364

TorontoMiami

YTZ - MIA

YTZMIA

Toronto Island

Tue 28/10

3:30 p.m.-10:29 p.m.

1 stop6h 59m

Miami

Tue 4/11

8:00 a.m.-2:55 p.m.

1 stop6h 55m

C$ 367

TorontoMiami

YTZ - MIA

YTZMIA

Toronto Island

Wed 29/10

3:30 p.m.-10:29 p.m.

1 stop6h 59m

Miami

Wed 5/11

12:45 p.m.-9:35 p.m.

1 stop8h 50m

C$ 392

TorontoMiami

YTZ - MIA

YTZMIA

Toronto Island

Tue 28/10

3:30 p.m.-10:29 p.m.

1 stop6h 59m

Miami

Wed 5/11

8:00 a.m.-2:55 p.m.

1 stop6h 55m

C$ 394

TorontoMiami

YTZ - MIA

YTZMIA

Toronto Island

Wed 5/11

3:30 p.m.-10:29 p.m.

1 stop6h 59m

Miami

Tue 18/11

12:45 p.m.-7:55 p.m.

1 stop7h 10m

C$ 394

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Fri 23/1

3:00 p.m.-11:59 p.m.

1 stop8h 59m

Miami

Sat 31/1

9:00 a.m.-7:45 p.m.

1 stop10h 45m

C$ 400

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Thu 29/1

6:10 a.m.-3:40 p.m.

1 stop9h 30m

Miami

Wed 4/2

4:25 p.m.-7:45 p.m.

Nonstop3h 20m

C$ 400

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Thu 29/1

6:10 a.m.-6:25 p.m.

1 stop12h 15m

Miami

Mon 2/2

5:35 p.m.-11:59 p.m.

1 stop6h 24m

C$ 400

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Sat 31/1

3:00 p.m.-11:59 p.m.

1 stop8h 59m

Miami

Sun 8/2

9:00 a.m.-9:21 p.m.

1 stop12h 21m

C$ 400

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Thu 5/2

6:10 a.m.-9:54 p.m.

1 stop15h 44m

Miami

Mon 16/2

5:41 p.m.-12:02 a.m.

1 stop6h 21m

C$ 400

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/9

Showing 1-10 of 60 results
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Best time to book a flight from Toronto to Key Largo

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

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

Use this chart to determine the optimal time to book a round-trip flight from Toronto to Key Largo. Price data was last updated on 12 September 2025.

The best time to book flights from Toronto to Key Largo is 29 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, April is the cheapest month in which you can book a flight from Toronto to Key Largo (average of C$ 251). Flying from Toronto to Key Largo in August is currently the most expensive (average of C$ 369). 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 YTO to KE9?

Find hourly flight availability from Toronto to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Toronto to Key Largo as you normally would.

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

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

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

Weekly flight availability from Toronto to Key Largo

Explore weekly flight availability from Toronto to Key Largo. 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 14 September 2025.

The most flights from YTO to KE9 are scheduled on a Monday (5 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (1 on average).

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

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. 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 Key Largo. Reviews last updated 14 September 2025.
See what other customers who have flown with Porter Airlines,American Airlines, andWestJet from Toronto to Key Largo 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
7.9
Good
363 reviews
Check prices

Boarding

8.1

Comfort

7.9

Food

7.6

Overall

7.9

Crew

8.6

Entertainment

7.0

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
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Comfort

7.9

Food

7.6

Overall

7.9

Crew

8.6

Entertainment

7.0

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
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Comfort

7.9

Food

7.6

Overall

7.9

Crew

8.6

Entertainment

7.0

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.
WestJet
7.2
Good
3,091 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Comfort

7.9

Food

7.6

Overall

7.9

Crew

8.6

Entertainment

7.0

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
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Comfort

7.9

Food

7.6

Overall

7.9

Crew

8.6

Entertainment

7.0

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
250 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Comfort

7.9

Food

7.6

Overall

7.9

Crew

8.6

Entertainment

7.0

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 Toronto to Key Largo. 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 Toronto to Key Largo?

    For as low as C$ 364, Air Canada can have you in Key Largo from Toronto in 6h 59m. Toronto and Key Largo are separated by a distance of 1983 km. This flight may include one or multiple stops.

  • What are the most popular routes from Toronto to Key Largo?

    While some choose either Toronto Island - Miami or Hamilton - Miami, Toronto Pearson Intl - Miami is the most popular route from Toronto to Key Largo.

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

    No one likes to see their flight delayed. When booking a flight from Toronto to Key Largo consider choosing British Airways (83%), American Airlines (67%) or GOL (67%) as they are the most reliable in getting you off to your destination on time.

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

    Looking at all options, your cheapest flight can be booked for C$ 230. While the most popular route (Toronto Pearson Intl - Miami) can be booked for C$ 323 on average, our data indicates C$ 778 when flying from Toronto to Key Largo.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Toronto to Key Largo (average of C$ 251). Flying from Toronto to Key Largo in August is currently the most expensive (average of C$ 369). 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

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Top 10 airlines flying from Toronto to Key Largo

Discover the top 10 airlines that operate flights from Toronto to Key Largo. 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 629,999 searches. Data last updated 14 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Flair AirlinesCheapestC$ 114AverageC$ 267FlexibilityNo cancel feeOn-timeN/A
Search Flair Airlines flights
Porter AirlinesCheapestC$ 128AverageC$ 334FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Canada JetlinesCheapestC$ 141AverageC$ 289FlexibilityNo cancel feeOn-time58%
Search Canada Jetlines flights
WestJetCheapestC$ 164AverageC$ 574FlexibilityNo cancel feeOn-time60%
Search WestJet flights
American AirlinesCheapestC$ 193AverageC$ 525FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 199AverageC$ 433FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 206AverageC$ 390FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 248AverageC$ 427FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air TransatCheapestC$ 269AverageC$ 464FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJet EncoreCheapestC$ 522AverageC$ 794FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Toronto to Key Largo?

When you search for this flight from Toronto to Key Largo, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Toronto to Key Largo?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Toronto to Key Largo for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Toronto to Key Largo with no change fees?

Certainly. Search results for flights to Key Largo from Toronto shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Toronto to Key Largo become cheaper?

Of course! You can now track prices for flights from Toronto to Key Largo and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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