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C$ 97+ Cheap flights from Key Largo

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/1. 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
31 Jan — 7 Feb1
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 1 January 2026.

Cheapest one-way flight

C$ 40

Cheapest round-trip flight

C$ 142

Cheapest airline

American Airlines

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, American Airlines currently has the cheapest one-way flight from Key Largo (avg. price of C$ 402).
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Toronto Pearson Intl (YYZ) is currently the most popular flight destination from Key Largo (average round-trip price of C$ 302).
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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 1 January 2026.

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 31/12C$ 173
Mon 19/13:26 p.m.MIA - SJU
Nonstop2h 32mSpirit Airlines
Fri 23/12:59 a.m.SJU - MIA
1 stop10h 57mSpirit Airlines
Deal found 1/1C$ 176
Fri 30/13:26 p.m.MIA - SJU
Nonstop2h 32mSpirit Airlines
Mon 9/211:52 a.m.SJU - MIA
Nonstop2h 58mSpirit Airlines
Deal found 30/12C$ 188
Thu 22/13:26 p.m.MIA - SJU
Nonstop2h 32mSpirit Airlines
Fri 23/12:59 a.m.SJU - MIA
1 stop10h 57mSpirit Airlines
Deal found 30/12C$ 191
Fri 30/111:38 a.m.MIA - SJU
1 stop27h 47mMultiple Airlines
Mon 2/211:52 a.m.SJU - MIA
Nonstop2h 58mMultiple Airlines
Deal found 30/12C$ 199
Fri 23/12:01 p.m.MIA - SJU
1 stop10h 40mSpirit Airlines
Sat 24/12:59 a.m.SJU - MIA
1 stop10h 57mSpirit Airlines
Deal found 30/12C$ 202
Fri 23/111:36 a.m.MIA - SJU
Nonstop2h 40mFrontier
Mon 26/17:00 p.m.SJU - MIA
1 stop23h 54mFrontier
Deal found 30/12C$ 204
Sat 17/111:19 a.m.MIA - SJU
1 stop8h 43mMultiple Airlines
Sat 24/12:59 a.m.SJU - MIA
1 stop10h 57mMultiple Airlines
Deal found 30/12C$ 213
Wed 28/12:10 p.m.MIA - YYZ
Nonstop3h 20mPorter Airlines
Wed 4/29:40 a.m.YYZ - MIA
Nonstop3h 29mPorter Airlines
Deal found 31/12C$ 270
Mon 23/27:05 a.m.MIA - YYC
1 stop30h 38mMultiple Airlines
Thu 26/212:30 a.m.YYC - MIA
1 stop7h 58mMultiple Airlines
Deal found 31/12C$ 280
Wed 28/12:10 p.m.MIA - YYZ
Nonstop3h 20mPorter Airlines
Mon 2/27:15 a.m.YYZ - MIA
1 stop6h 40mPorter Airlines
Deal found 30/12C$ 287
Tue 31/32:10 p.m.MIA - YYZ
Nonstop3h 20mPorter Airlines
Mon 6/47:15 a.m.YYZ - MIA
1 stop6h 40mPorter Airlines
Deal found 31/12C$ 288

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 1 January 2026. 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 18/2

4:46 p.m.-11:58 p.m.

1 stop6h 12m

San Juan Luis Munoz Marin Intl

Wed 25/2

6:15 a.m.-12:23 p.m.

1 stop7h 08m

C$ 254

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Wed 18/2

12:00 p.m.-11:58 p.m.

1 stop10h 58m

San Juan Luis Munoz Marin Intl

Tue 24/2

6:37 p.m.-12:53 a.m.

1 stop7h 16m

C$ 254

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 3/2

5:50 a.m.-2:31 p.m.

1 stop7h 41m

San Juan Luis Munoz Marin Intl

Tue 10/2

3:55 p.m.-12:51 a.m.

1 stop9h 56m

C$ 254

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Wed 28/1

8:15 a.m.-5:17 p.m.

1 stop8h 02m

San Juan Luis Munoz Marin Intl

Mon 2/2

6:27 p.m.-12:51 a.m.

1 stop7h 24m

C$ 254

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Mon 27/4

3:26 p.m.-5:58 p.m.

Nonstop2h 32m

San Juan Luis Munoz Marin Intl

Fri 1/5

11:07 a.m.-2:05 p.m.

Nonstop2h 58m

C$ 272

MiamiCalgary

MIA - YYC

MIAYYC

Miami

Mon 23/2

7:05 a.m.-11:43 a.m.

1 stop30h 38m

Calgary

Thu 26/2

12:30 a.m.-10:28 a.m.

1 stop7h 58m

C$ 280

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Fri 16/1

3:26 p.m.-6:58 p.m.

Nonstop2h 32m

San Juan Luis Munoz Marin Intl

Mon 19/1

11:52 a.m.-1:50 p.m.

Nonstop2h 58m

C$ 287

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Wed 6/5

3:17 p.m.-10:54 p.m.

1 stop7h 37m

San Juan Luis Munoz Marin Intl

Thu 14/5

6:15 a.m.-2:33 p.m.

1 stop8h 18m

C$ 287

MiamiCalgary

MIA - YYC

MIAYYC

Miami

Fri 30/1

5:54 a.m.-5:15 p.m.

1 stop13h 21m

Calgary

Thu 5/2

12:30 a.m.-10:59 a.m.

1 stop8h 29m

C$ 288

MiamiToronto

MIA - YTZ

MIAYTZ

Miami

Fri 30/1

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

1 stop7h 08m

Toronto Island

Fri 6/2

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

1 stop6h 55m

C$ 302

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/12

Showing 1-10 of 60 results
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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 26 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 27 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$ 717
Avianca
Avianca
From C$ 227

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
403 reviews
Check prices

Entertainment

7.0

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.6

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
403 reviews
Porter Airlines
8.0
Very good
403 reviews
Check prices

Entertainment

7.0

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.6

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
11,071 reviews
Porter Airlines
8.0
Very good
403 reviews
Check prices

Entertainment

7.0

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.6

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
10,571 reviews
Porter Airlines
8.0
Very good
403 reviews
Check prices

Entertainment

7.0

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.6

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 1 January 2026.

  • 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$ 60 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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