Find flights
Deals
Airlines

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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
— MIA
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Flights to Key Largo in 2025

Enter your travel dates to find the best prices.

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 12 December 2025.

Wed 31/129:40 a.m.YYZ - MIA
Nonstop3h 29mPorter Airlines
Thu 8/12:10 p.m.MIA - YYZ
Nonstop3h 20mPorter Airlines
Deal found 9/12C$ 374
Wed 31/128:50 p.m.YYZ - MIA
Nonstop3h 26mAir Canada
Wed 14/19:05 p.m.MIA - YYZ
Nonstop3h 21mAir Canada
Deal found 9/12C$ 392
Sun 14/128:50 p.m.YYZ - MIA
Nonstop3h 26mAir Canada
Tue 16/129:05 p.m.MIA - YYZ
Nonstop3h 21mAir Canada
Deal found 10/12C$ 393
Wed 31/129:40 a.m.YYZ - MIA
Nonstop3h 29mMultiple Airlines
Thu 8/112:20 p.m.MIA - YYZ
1 stop10h 20mMultiple Airlines
Deal found 9/12C$ 404
Wed 31/129:40 a.m.YYZ - MIA
Nonstop3h 29mPorter Airlines
Thu 22/12:10 p.m.MIA - YYZ
Nonstop3h 20mPorter Airlines
Deal found 11/12C$ 408
Wed 31/129:40 a.m.YYZ - MIA
Nonstop3h 29mMultiple Airlines
Wed 14/14:01 p.m.MIA - YYZ
1 stop6h 39mMultiple Airlines
Deal found 9/12C$ 411
Wed 31/128:55 a.m.YTZ - MIA
1 stop7h 27mMultiple Airlines
Wed 7/19:03 p.m.MIA - YTZ
1 stop13h 32mMultiple Airlines
Deal found 10/12C$ 419
Wed 31/128:50 p.m.YYZ - MIA
Nonstop3h 26mAir Canada
Fri 9/19:20 p.m.MIA - YYZ
Nonstop3h 21mAir Canada
Deal found 10/12C$ 423
Sun 14/128:50 p.m.YYZ - MIA
Nonstop3h 26mAir Canada
Thu 18/129:05 p.m.MIA - YYZ
Nonstop3h 21mAir Canada
Deal found 11/12C$ 425
Wed 31/128:55 a.m.YTZ - MIA
1 stop7h 27mMultiple Airlines
Fri 9/16:02 a.m.MIA - YTZ
1 stop10h 23mMultiple Airlines
Deal found 10/12C$ 430
Wed 31/129:40 a.m.YYZ - MIA
Nonstop3h 29mMultiple Airlines
Wed 7/12:19 p.m.MIA - YYZ
1 stop8h 21mMultiple Airlines
Deal found 11/12C$ 443
Wed 31/125:19 p.m.YYZ - MIA
1 stop5h 37mAmerican Airlines
Thu 8/16:26 a.m.MIA - YYZ
1 stop10h 09mAmerican Airlines
Deal found 9/12C$ 450

Find flight deals to Key Largo

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 12 December 2025.

Round-trip from

C$ 327

One-way from

C$ 215

Popular in

December

Cheapest in

January

Average price

C$ 549
Air Transat
  • Air Transat
  • 28/1-10/2
  • Nonstop
  • 6h 49m total
  • Toronto to Miami
Search Deals
10/1
  • 10/1
  • 2 total stops
  • 17h 21m total
  • Toronto to Key Largo
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 12 December 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

YTZ - MIA

YTZMIA

Toronto Island

Mon 26/1

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

1 stop6h 55m

Miami

Fri 30/1

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

1 stop7h 08m

C$ 390

TorontoMiami

YTZ - MIA

YTZMIA

Toronto Island

Mon 26/1

8:50 a.m.-6:50 p.m.

1 stop10h 00m

Miami

Sat 7/2

3:50 p.m.-10:35 a.m.

1 stop18h 45m

C$ 390

TorontoMiami

YTZ - MIA

YTZMIA

Toronto Island

Mon 26/1

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

1 stop6h 55m

Miami

Mon 9/2

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

1 stop7h 08m

C$ 392

TorontoMiami

YTZ - MIA

YTZMIA

Toronto Island

Thu 8/1

8:50 a.m.-4:39 p.m.

1 stop7h 49m

Miami

Thu 15/1

11:38 a.m.-10:10 p.m.

1 stop10h 32m

C$ 400

TorontoMiami

YTZ - MIA

YTZMIA

Toronto Island

Mon 12/1

1:30 p.m.-8:13 p.m.

1 stop6h 43m

Miami

Tue 20/1

6:02 a.m.-4:25 p.m.

1 stop10h 23m

C$ 418

TorontoMiami

YTZ - MIA

YTZMIA

Toronto Island

Tue 20/1

10:30 a.m.-9:05 p.m.

1 stop10h 35m

Miami

Sat 24/1

11:38 a.m.-7:50 p.m.

1 stop8h 12m

C$ 439

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Wed 7/1

6:06 a.m.-12:54 p.m.

1 stop6h 48m

Miami

Sat 17/1

7:40 a.m.-5:23 p.m.

1 stop9h 43m

C$ 440

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Tue 6/1

7:45 a.m.-5:50 p.m.

1 stop10h 05m

Miami

Thu 15/1

7:40 a.m.-5:23 p.m.

1 stop9h 43m

C$ 440

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Tue 6/1

5:10 p.m.-11:20 p.m.

1 stop6h 10m

Miami

Wed 14/1

7:39 a.m.-5:23 p.m.

1 stop9h 44m

C$ 440

TorontoMiami

YTZ - MIA

YTZMIA

Toronto Island

Mon 12/1

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

1 stop6h 59m

Miami

Tue 20/1

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

1 stop8h 55m

C$ 441

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 60 results
1
2
3
...
6

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 5 December 2025.

To ensure you get the cheapest price possible for a flight to Key Largo, you should look to book at least 83 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 57 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.

Weekly flight availability to Key Largo

The most flights from Toronto to Key Largo are scheduled on a Wednesday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

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$ 299
Porter Airlines
Porter Airlines
From C$ 226
WestJet
WestJet
From C$ 393
American Airlines
American Airlines
From C$ 214

What are the cheapest airlines that fly to Key Largo?

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

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 12 December 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
398 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
398 reviews
Porter Airlines
8.0
Very good
398 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
American Airlines
7.2
Good
11,049 reviews
Porter Airlines
8.0
Very good
398 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
WestJet
7.2
Good
3,195 reviews
Porter Airlines
8.0
Very good
398 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,517 reviews
Porter Airlines
8.0
Very good
398 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Flair Airlines
6.0
Okay
255 reviews
Porter Airlines
8.0
Very good
398 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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$ 180, however they can be found for as little as C$ 77.

  • 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 18 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

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.

Search flights to Key Largo by cabin class

Find flights to Key Largo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

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 to Key Largo?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Key Largo today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals to Key Largo for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights to Key Largo flexibly with Cheapflights today.

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

Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Key Largo today and book when you’re ready!

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.