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C$ 89+ Cheap flights from 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 27/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
MIA — YYZ
21 Jan — 28 Jan1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Key Largo

Discover essential information about flights departing from Key Largo, including flight schedules, destinations, airlines operating at the Key Largo airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 22 December 2025.

Cheapest one-way flight

C$ 40

Cheapest round-trip flight

C$ 143

Cheapest airline

Frontier

Most popular destination

Toronto Pearson Intl (YYZ)
The cheapest one-way flight from Key Largo is currently to New York LaGuardia.
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The cheapest round-trip flight from Key Largo is currently to Toronto Pearson Intl.
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On average, Frontier currently has the cheapest one-way flight from Key Largo (avg. price of C$ 212).
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Toronto Pearson Intl (YYZ) is currently the most popular flight destination from Key Largo (average round-trip price of C$ 297).
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Find flights from Key Largo

Enter your travel dates to find the best prices.

Cheapest flights from Key Largo
Explore the most affordable flight options available from Key Largo. Find the lowest fares based on data from user searches, with prices last updated on 22 December 2025.

Thu 19/210:56 p.m.MIA - SJU
Nonstop2h 39mFrontier
Sat 21/28:53 p.m.SJU - MIA
Nonstop2h 59mFrontier
Deal found 20/12C$ 183
Fri 20/29:02 a.m.MIA - SJU
Nonstop2h 37mFrontier
Mon 23/26:00 a.m.SJU - MIA
Nonstop2h 57mFrontier
Deal found 20/12C$ 187
Fri 23/13:26 p.m.MIA - SJU
Nonstop2h 32mSpirit Airlines
Fri 30/12:59 a.m.SJU - MIA
1 stop10h 57mSpirit Airlines
Deal found 21/12C$ 190
Thu 5/22:01 p.m.MIA - SJU
1 stop10h 40mSpirit Airlines
Fri 6/22:59 a.m.SJU - MIA
1 stop10h 57mSpirit Airlines
Deal found 21/12C$ 202
Mon 12/15:01 a.m.MIA - SJU
1 stop8h 56mFrontier
Mon 12/110:47 p.m.SJU - MIA
Nonstop3h 02mFrontier
Deal found 22/12C$ 207
Thu 19/22:04 p.m.MIA - SJU
1 stop10h 33mMultiple Airlines
Sat 21/28:53 p.m.SJU - MIA
Nonstop2h 59mMultiple Airlines
Deal found 20/12C$ 208
Fri 9/19:01 a.m.MIA - SJU
Nonstop2h 34mFrontier
Sun 11/12:29 a.m.SJU - MIA
1 stop11h 42mFrontier
Deal found 22/12C$ 213
Mon 12/13:26 p.m.MIA - SJU
Nonstop2h 32mMultiple Airlines
Wed 28/17:00 p.m.SJU - MIA
1 stop27h 44mMultiple Airlines
Deal found 22/12C$ 230
Thu 16/410:42 p.m.MIA - SJU
Nonstop2h 38mSpirit Airlines
Sun 19/42:15 a.m.SJU - MIA
Nonstop2h 53mSpirit Airlines
Deal found 20/12C$ 231
Fri 20/27:05 a.m.MIA - SJU
1 stop6h 17mSpirit Airlines
Mon 23/211:52 a.m.SJU - MIA
Nonstop2h 58mSpirit Airlines
Deal found 20/12C$ 233
Wed 14/11:01 p.m.MIA - YVR
2 stops14h 14mMultiple Airlines
Wed 21/111:00 p.m.YVR - MIA
1 stop8h 59mMultiple Airlines
Deal found 19/12C$ 273
Tue 24/27:05 a.m.MIA - YYC
1 stop14h 04mMultiple Airlines
Mon 2/39:45 p.m.YYC - MIA
2 stops12h 31mMultiple Airlines
Deal found 20/12C$ 311

Find flights from Key Largo within your budget

 
Find flights departing from Key Largo that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 22 December 2025. In the last 7 days, Cheapflights users made a total of 629,999 searches

Fly to

Pearson Intl

Route

Depart

Return

Price

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Wed 25/3

4:44 p.m.-11:12 p.m.

1 stop6h 28m

San Juan Luis Munoz Marin Intl

Tue 7/4

6:15 a.m.-3:37 p.m.

1 stop9h 22m

C$ 271

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Wed 21/1

12:55 p.m.-11:10 p.m.

1 stop9h 15m

San Juan Luis Munoz Marin Intl

Wed 28/1

5:40 a.m.-3:30 p.m.

2 stops10h 50m

C$ 319

MiamiToronto

MIA - YYZ

MIAYYZ

Miami

Thu 22/1

7:00 a.m.-11:20 p.m.

2 stops16h 20m

Toronto Pearson Intl

Wed 28/1

3:15 p.m.-11:59 p.m.

1 stop8h 44m

C$ 333

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Sat 24/1

9:50 a.m.-11:00 p.m.

1 stop12h 10m

San Juan Luis Munoz Marin Intl

Tue 27/1

6:00 a.m.-4:10 p.m.

2 stops11h 10m

C$ 359

MiamiVancouver

MIA - YVR

MIAYVR

Miami

Wed 18/2

9:53 p.m.-10:20 p.m.

2 stops27h 27m

Vancouver Intl

Wed 25/2

11:00 p.m.-12:16 p.m.

1 stop10h 16m

C$ 370

MiamiCancún

MIA - CUN

MIACUN

Miami

Wed 7/1

9:59 a.m.-12:00 p.m.

Nonstop2h 01m

Cancun

Thu 15/1

2:12 p.m.-11:24 p.m.

1 stop9h 12m

C$ 370

MiamiCancún

MIA - CUN

MIACUN

Miami

Tue 27/1

9:50 a.m.-11:50 a.m.

Nonstop2h 00m

Cancun

Thu 5/2

2:12 p.m.-11:24 p.m.

1 stop9h 12m

C$ 370

MiamiCancún

MIA - CUN

MIACUN

Miami

Wed 7/1

9:59 a.m.-12:00 p.m.

Nonstop2h 01m

Cancun

Mon 12/1

1:05 p.m.-2:50 p.m.

Nonstop1h 45m

C$ 370

MiamiCancún

MIA - CUN

MIACUN

Miami

Mon 19/1

9:50 a.m.-11:50 a.m.

Nonstop2h 00m

Cancun

Sun 25/1

1:05 p.m.-2:50 p.m.

Nonstop1h 45m

C$ 370

MiamiCancún

MIA - CUN

MIACUN

Miami

Fri 9/1

9:59 a.m.-12:00 p.m.

Nonstop2h 01m

Cancun

Tue 13/1

1:05 p.m.-2:50 p.m.

Nonstop1h 45m

C$ 370

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/12

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Best time to book a flight from Key Largo

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

Travel insights for flights from Key Largo

Get recent, data-driven insights about flights from Key Largo including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Key Largo?

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 19 December 2025.

The price you pay for your flight from Key Largo 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?

Currently, July is the cheapest month in which you can book a flight from Key Largo (average of C$ 99). Flying from Key Largo in August will prove the most costly (average of C$ 147). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

When is the cheapest time to fly from Key Largo?

Use this chart to determine the cheapest time to fly round-trip from Key Largo to Pearson Intl. Price data was last updated on 20 December 2025.

Those who are seeking the cheapest fare on flights departing from Key Largo would be wise to consider leaving during Sunday afternoons when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Wednesday at noon when fares are usually the most expensive.

Which airlines fly from Key Largo?

For flights departing from Key Largo check dates and pricing for the following: Air Canada, American Airlines, Porter Airlines. These airlines depart to the following popular destinations: Toronto.

American Airlines
American Airlines
From C$ 160
Air Canada
Air Canada
From C$ 202
Sunrise Airways
Sunrise Airways
From C$ 719
Avianca
Avianca
From C$ 228

Airline reviews for flights from Key Largo

Get insights into the airlines that provide service from 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 airline for your flight from Key Largo. In the last 7 days, Cheapflights users made a total of 629,999 searches.
Get a feel of what it's like to fly with Porter Airlines,American Airlines, andAir Canada from Key Largo 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
399 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.6

Overall

8.0

Entertainment

7.0

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
399 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.6

Overall

8.0

Entertainment

7.0

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
11,053 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.6

Overall

8.0

Entertainment

7.0

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
10,551 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.6

Overall

8.0

Entertainment

7.0

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

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Related info for your journey

Access useful and relevant information related to your journey from Key Largo. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 22 December 2025.

  • Which is the cheapest airport to catch a flight from Key Largo?

    The cheapest routes to Jeju City can be found at Busan Gimhae airport from C$ 37. While Madrid Barajas airport is usually cheaper if your destination is London with prices starting at C$ 45. Reference our flight search to find the best deals in real time.

  • What is the cheapest month to fly from Key Largo?

    At the present moment the cheapest month to fly from Key Largo is currently July; with August being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Key Largo?

    Check out the cheapest flights from Key Largo to embark to:
    Travel from Busan to Jeju City from C$ 37 round trip
    Travel from Madrid to London from C$ 45 round trip
    Travel from Halifax to Montreal from C$ 58 round trip
    Travel from Montreal to Halifax from C$ 58 round trip
    Travel from Paris to Porto from C$ 61 round trip

  • How does Cheapflights help users find flights from 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 from Key Largo today with Cheapflights!

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

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

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

    Certainly. Search results for flights from Key Largo 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 Key Largo become cheaper?

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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How does Cheapflights help users find flights from 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 from Key Largo today with Cheapflights!

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

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

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

Certainly. Search results for flights from Key Largo 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 Key Largo become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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