Find flights
Deals
Airlines

C$ 79+ 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 29/3. 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 — YUL
16 Mar — 23 Mar1
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 14 February 2026.

Cheapest one-way flight

C$ 133

Cheapest round-trip flight

C$ 129

Cheapest airline

Air Canada

Most popular destination

Toronto Pearson Intl (YYZ)
The cheapest one-way flight from Key Largo is currently to Toronto Pearson Intl.
Search Deals
The cheapest round-trip flight from Key Largo is currently to Toronto Pearson Intl.
Search Deals
On average, Air Canada currently has the cheapest one-way flight from Key Largo (avg. price of C$ 513).
Search Deals
Toronto Pearson Intl (YYZ) is currently the most popular flight destination from Key Largo (average round-trip price of C$ 305).
Search Deals

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 14 February 2026.

Sun 22/39:25 p.m.
MIA
-
SJU
Nonstop2h 33m
Spirit Airlines
Wed 25/312:05 p.m.
SJU
-
MIA
1 stop8h 02m
Spirit Airlines
Deal found 12/2C$ 188
Sat 28/39:25 p.m.
MIA
-
SJU
Nonstop2h 33m
Spirit Airlines
Sat 4/411:03 a.m.
SJU
-
MIA
Nonstop2h 52m
Spirit Airlines
Deal found 11/2C$ 202
Sun 19/45:05 a.m.
MIA
-
SJU
1 stop9h 03m
Frontier
Fri 24/410:53 a.m.
SJU
-
MIA
Nonstop3h 01m
Frontier
Deal found 11/2C$ 204
Tue 24/23:26 p.m.
MIA
-
SJU
Nonstop2h 32m
Spirit Airlines
Sat 28/211:52 a.m.
SJU
-
MIA
Nonstop2h 58m
Spirit Airlines
Deal found 11/2C$ 218
Wed 1/49:25 p.m.
MIA
-
SJU
Nonstop2h 33m
Spirit Airlines
Tue 7/411:03 a.m.
SJU
-
MIA
Nonstop2h 52m
Spirit Airlines
Deal found 12/2C$ 252
Tue 24/32:04 p.m.
MIA
-
SJU
1 stop10h 30m
Spirit Airlines
Mon 30/311:03 a.m.
SJU
-
MIA
Nonstop2h 52m
Spirit Airlines
Deal found 11/2C$ 264
Wed 18/39:25 p.m.
MIA
-
SJU
Nonstop2h 33m
Spirit Airlines
Mon 23/311:03 a.m.
SJU
-
MIA
Nonstop2h 52m
Spirit Airlines
Deal found 11/2C$ 276
Mon 2/33:26 p.m.
MIA
-
SJU
Nonstop2h 32m
Spirit Airlines
Sun 8/310:52 a.m.
SJU
-
MIA
Nonstop2h 58m
Spirit Airlines
Deal found 11/2C$ 280
Fri 27/39:25 p.m.
MIA
-
SJU
Nonstop2h 33m
Spirit Airlines
Mon 30/311:03 a.m.
SJU
-
MIA
Nonstop2h 52m
Spirit Airlines
Deal found 13/2C$ 290
Tue 12/55:45 p.m.
MIA
-
SJU
1 stop5h 55m
Southwest
Sat 16/510:00 a.m.
SJU
-
MIA
1 stop13h 00m
Southwest
Deal found 11/2C$ 300
Wed 22/47:04 p.m.
MIA
-
YVR
1 stop19h 08m
Multiple Airlines
Mon 27/410:55 p.m.
YVR
-
MIA
1 stop16h 02m
Multiple Airlines
Deal found 11/2C$ 338
Thu 30/48:42 a.m.
MIA
-
YVR
1 stop10h 33m
Multiple Airlines
Mon 4/510:55 p.m.
YVR
-
MIA
1 stop16h 02m
Multiple Airlines
Deal found 10/2C$ 339

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 14 February 2026. In the last 7 days, Cheapflights users made a total of 629,999 searches

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Sat 28/3

9:25 p.m.-11:58 p.m.

Nonstop2h 33m

San Juan Luis Munoz Marin Intl

Sat 4/4

12:05 p.m.-8:07 p.m.

1 stop8h 02m

C$ 280

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 12/5

2:01 p.m.-10:17 p.m.

1 stop8h 16m

San Juan Luis Munoz Marin Intl

Sat 16/5

2:20 p.m.-9:16 p.m.

1 stop6h 56m

C$ 300

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 12/5

5:45 p.m.-11:40 p.m.

1 stop5h 55m

San Juan Luis Munoz Marin Intl

Sat 16/5

10:00 a.m.-11:00 p.m.

1 stop13h 00m

C$ 300

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Wed 13/5

2:01 p.m.-10:17 p.m.

1 stop8h 16m

San Juan Luis Munoz Marin Intl

Sat 16/5

2:20 p.m.-9:16 p.m.

1 stop6h 56m

C$ 334

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Fri 15/5

7:00 a.m.-4:15 p.m.

1 stop9h 15m

San Juan Luis Munoz Marin Intl

Wed 20/5

5:15 p.m.-12:33 a.m.

1 stop7h 18m

C$ 334

MiamiVancouver

MIA - YVR

MIAYVR

Miami

Thu 16/4

8:42 a.m.-4:07 p.m.

1 stop10h 25m

Vancouver Intl

Mon 20/4

7:45 p.m.-5:57 p.m.

2 stops19h 12m

C$ 354

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 5/5

7:00 a.m.-6:10 p.m.

1 stop11h 10m

San Juan Luis Munoz Marin Intl

Fri 8/5

10:00 a.m.-11:00 p.m.

2 stops13h 00m

C$ 358

MiamiCalgary

MIA - YYC

MIAYYC

Miami

Wed 1/4

3:12 p.m.-7:09 p.m.

1 stop29h 57m

Calgary

Tue 7/4

12:30 a.m.-8:07 p.m.

1 stop17h 37m

C$ 359

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Wed 6/5

12:10 p.m.-11:40 p.m.

2 stops11h 30m

San Juan Luis Munoz Marin Intl

Tue 12/5

5:35 a.m.-11:30 a.m.

1 stop5h 55m

C$ 361

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Sat 21/3

2:04 p.m.-12:34 a.m.

1 stop10h 30m

San Juan Luis Munoz Marin Intl

Sat 28/3

11:03 a.m.-1:55 p.m.

Nonstop2h 52m

C$ 364

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/2

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

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 Pierre Elliott Trudeau Intl. Price data was last updated on 6 February 2026.

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, February is the cheapest month in which you can book a flight from Key Largo (average of C$ 74). Flying from Key Largo in July will prove the most costly (average of C$ 162). 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 Pierre Elliott Trudeau Intl. Price data was last updated on 7 February 2026.

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 Tuesday mornings 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. These airlines depart to the following popular destinations: Montreal.

American Airlines
American Airlines
From C$ 154
Air Canada
Air Canada
From C$ 166
Sunrise Airways
Sunrise Airways
From C$ 711
Avianca
Avianca
From C$ 200

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 American Airlines and Air 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.
American Airlines
7.2
Good
11,296 reviews
Check prices

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Food

6.4

Crew

8.0

Overall

7.2

Reviews

1 / 20
4.0
Okay

Susie,Jan 2026

TPA - CLT

I was sitting at the back of the plane and the flight attendants were so loud, talking to each other and laughing! I thought they were having a party back there.
American Airlines
7.2
Good
11,296 reviews
American Airlines
7.2
Good
11,296 reviews
Check prices

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Food

6.4

Crew

8.0

Overall

7.2

Reviews

1 / 20
4.0
Okay

Susie,Jan 2026

TPA - CLT

I was sitting at the back of the plane and the flight attendants were so loud, talking to each other and laughing! I thought they were having a party back there.
Air Canada
7.1
Good
10,718 reviews
American Airlines
7.2
Good
11,296 reviews
Check prices

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Food

6.4

Crew

8.0

Overall

7.2

Reviews

1 / 20
4.0
Okay

Susie,Jan 2026

TPA - CLT

I was sitting at the back of the plane and the flight attendants were so loud, talking to each other and laughing! I thought they were having a party back there.

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.

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 14 February 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 February; with July 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 Paris to Porto from C$ 60 round trip
    Travel from Guadalajara to Puerto Vallarta from C$ 67 round trip
    Travel from Vancouver to Kelowna from C$ 69 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!

See more FAQs

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 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!

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.