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C$ 221+ Cheap flights to Key Largo

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 17/11. Fares are subject to change and may not be available on all flights or dates of travel.
— MIA
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

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Cheapest flights to Key Largo
Explore the most affordable flight options available to Key Largo. Find the lowest fares based on data from user searches, with prices last updated on 29 October 2025.

Mon 24/119:40 a.m.YYZ - MIA
Nonstop3h 29mAir Transat
Fri 28/112:10 p.m.MIA - YYZ
Nonstop3h 20mAir Transat
Deal found 27/10C$ 341
Mon 24/119:40 a.m.YYZ - MIA
Nonstop3h 29mAir Transat
Mon 1/122:10 p.m.MIA - YYZ
Nonstop3h 20mAir Transat
Deal found 27/10C$ 355
Mon 15/129:40 a.m.YYZ - MIA
Nonstop3h 29mPorter Airlines
Fri 19/122:10 p.m.MIA - YYZ
Nonstop3h 20mPorter Airlines
Deal found 28/10C$ 356
Tue 16/129:40 a.m.YYZ - MIA
Nonstop3h 29mAir Transat
Thu 18/122:10 p.m.MIA - YYZ
Nonstop3h 20mAir Transat
Deal found 27/10C$ 365
Mon 10/119:40 a.m.YYZ - MIA
Nonstop3h 29mAir Transat
Thu 8/12:10 p.m.MIA - YYZ
Nonstop3h 20mAir Transat
Deal found 27/10C$ 367
Tue 9/127:15 a.m.YYZ - MIA
1 stop9h 12mAmerican Airlines
Tue 9/128:30 p.m.MIA - YYZ
Nonstop3h 19mAmerican Airlines
Deal found 27/10C$ 373
Mon 15/129:40 a.m.YYZ - MIA
Nonstop3h 29mPorter Airlines
Wed 24/122:10 p.m.MIA - YYZ
Nonstop3h 20mPorter Airlines
Deal found 28/10C$ 374
Mon 15/129:40 a.m.YYZ - MIA
Nonstop3h 29mMultiple Airlines
Wed 24/125:30 a.m.MIA - YYZ
2 stops17h 50mMultiple Airlines
Deal found 29/10C$ 377
Mon 1/129:40 a.m.YYZ - MIA
Nonstop3h 29mAir Transat
Fri 5/122:10 p.m.MIA - YYZ
Nonstop3h 20mAir Transat
Deal found 29/10C$ 386
Mon 8/129:40 a.m.YYZ - MIA
Nonstop3h 29mPorter Airlines
Wed 17/122:10 p.m.MIA - YYZ
Nonstop3h 20mPorter Airlines
Deal found 27/10C$ 388
Mon 8/128:55 a.m.YTZ - MIA
1 stop9h 50mMultiple Airlines
Fri 12/1212:26 p.m.MIA - YTZ
1 stop7h 34mMultiple Airlines
Deal found 27/10C$ 401
Mon 8/128:55 a.m.YTZ - MIA
1 stop9h 50mMultiple Airlines
Tue 16/128:21 a.m.MIA - YTZ
1 stop10h 34mMultiple Airlines
Deal found 28/10C$ 411

Flights to Key Largo in 2025

Find the latest flights to Key Largo in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 29 October 2025.

Round-trip from

C$ 333

One-way from

C$ 221

Popular in

December

Cheapest in

January

Average price

C$ 497
Air Transat
  • Air Transat
  • 11/1-16/1
  • Nonstop
  • 6h 49m total
  • Toronto to Miami
Search Deals
Air Transat
  • Air Transat
  • 17/11
  • Nonstop
  • 3h 29m total
  • Toronto to Key Largo
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Locate flights to Key Largo that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 29 October 2025.
Use the filters below to find and compare flights to Key Largo that are best for you.

Fly from

Toronto

Route

Depart

Return

Price

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Mon 5/1

9:40 a.m.-1:09 p.m.

Nonstop3h 29m

Miami

Thu 26/2

2:10 p.m.-5:30 p.m.

Nonstop3h 20m

C$ 405

TorontoMiami

YTZ - MIA

YTZMIA

Toronto Island

Mon 8/12

8:55 a.m.-6:45 p.m.

1 stop9h 50m

Miami

Tue 16/12

8:21 a.m.-6:55 p.m.

1 stop10h 34m

C$ 411

TorontoMiami

YTZ - MIA

YTZMIA

Toronto Island

Mon 8/12

8:55 a.m.-6:45 p.m.

1 stop9h 50m

Miami

Thu 11/12

8:21 a.m.-6:55 p.m.

1 stop10h 34m

C$ 422

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Wed 7/1

9:40 a.m.-1:09 p.m.

Nonstop3h 29m

Miami

Thu 26/2

2:10 p.m.-5:30 p.m.

Nonstop3h 20m

C$ 425

TorontoMiami

YTZ - MIA

YTZMIA

Toronto Island

Mon 1/12

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

1 stop6h 59m

Miami

Wed 10/12

1:20 p.m.-9:35 p.m.

1 stop8h 15m

C$ 437

TorontoMiami

YTZ - MIA

YTZMIA

Toronto Island

Mon 9/3

10:45 a.m.-5:29 p.m.

1 stop6h 44m

Miami

Wed 18/3

8:00 a.m.-3:55 p.m.

1 stop7h 55m

C$ 471

TorontoMiami

YTZ - MIA

YTZMIA

Toronto Island

Sat 7/2

7:00 a.m.-1:55 p.m.

1 stop6h 55m

Miami

Fri 13/2

2:55 p.m.-10:03 p.m.

1 stop7h 08m

C$ 471

TorontoMiami

YTZ - MIA

YTZMIA

Toronto Island

Sun 7/12

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

1 stop6h 59m

Miami

Fri 12/12

8:00 a.m.-4:55 p.m.

1 stop8h 55m

C$ 471

TorontoMiami

YTZ - MIA

YTZMIA

Toronto Island

Mon 23/3

10:45 a.m.-5:29 p.m.

1 stop6h 44m

Miami

Wed 25/3

8:00 a.m.-9:15 p.m.

2 stops13h 15m

C$ 471

TorontoMiami

YTZ - MIA

YTZMIA

Toronto Island

Mon 9/3

10:45 a.m.-5:29 p.m.

1 stop6h 44m

Miami

Tue 17/3

8:00 a.m.-3:55 p.m.

1 stop7h 55m

C$ 471

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

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

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

When is the best time to book a flight 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 24 October 2025.

To ensure you get the cheapest price possible for a flight to Key Largo, you should look to book at least 29 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

How long is the flight to Key Largo?

On average, a flight from Toronto to Key Largo takes 12 hours 18 minutes. Flights to Key Largo from other popular cities in Canada will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly 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.

Users looking for the lowest fares to Key Largo should consider flying on Monday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday afternoons, when prices are usually at their highest.

What are the most popular airlines that fly to Key Largo?

The most popular airlines flying from Toronto to Key Largo are Air Canada, Porter Airlines and WestJet.

Air Canada
Air Canada
From C$ 309
WestJet
WestJet
From C$ 393
Porter Airlines
Porter Airlines
From C$ 220
American Airlines
American Airlines
From C$ 212

What are the cheapest airlines that fly to Key Largo?

The cheapest airlines flying from Toronto to Key Largo are Flair Airlines, American Airlines and Delta.

Rainfall in Key Largo by month

Plan your trip to Key Largo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Key Largo ranges from 41.0 - 252.0 mm per month. September is typically the wettest month, when rainfall can reach 252.0 mm. January is typically the driest time to visit Key Largo when rainfall is around 41.0 mm.

Temperature in Key Largo by month

Plan your trip to Key Largo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Key Largo, 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 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 20.0 C).

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 29 October 2025.
Get a feel of what it's like to fly with Porter Airlines,American Airlines, andWestJet to the United States by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
384 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Food

7.6

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
Check prices

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Food

7.6

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
11,030 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Food

7.6

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
3,149 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Food

7.6

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
10,376 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Food

7.6

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
251 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Food

7.6

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.

FAQs about flying to Key Largo

  • Can I find cheaper flights to Key Largo if I am willing to have layovers?

    Yes, flights with layovers are often cheaper than direct flights. Keep an eye out for flight deals to Key Largo on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Key Largo?

    Based on reviews from Cheapflights users, Flair Airlines is rated the highest out of the airlines that fly to Key Largo.

  • How much is a round-trip flight to Key Largo?

    A round-trip flight to Key Largo will typically cost around C$ 352, however they can be found for as little as C$ 68.

  • Where does the fastest flight to Key Largo depart from?

    For those looking to save time traveling to Key Largo, Toronto offers the quickest one-way flight (3 hours 26 minutes).

  • Does Miami have rental cars?

    Yes. Those touching down at Miami can take advantage of the rental car services offered upon their arrival.

  • Are there hotels close to Miami?

    Yes. Miami has hotels nearby for those requiring accommodations. Miami International Airport Hotel is the closest property to Miami (0.0 km away from Miami).

See more FAQs

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