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C$ 88+ 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 29/4. 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 — YUL
13 Apr — 20 Apr1
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 March 2026.

Cheapest one-way flight

C$ 101

Cheapest round-trip flight

C$ 156

Cheapest airline

Bahamasair

Most popular destination

Toronto Pearson Intl (YYZ)
The cheapest one-way flight from Key Largo is currently to Atlanta Hartsfield-Jackson.
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The cheapest round-trip flight from Key Largo is currently to Toronto Pearson Intl.
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On average, Bahamasair currently has the cheapest one-way flight from Key Largo (avg. price of C$ 399).
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Toronto Pearson Intl (YYZ) is currently the most popular flight destination from Key Largo (average round-trip price of C$ 273).
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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 14 March 2026.

Mon 4/511:36 p.m.
MIA
-
SJU
Nonstop2h 30m
Spirit Airlines
Fri 15/53:21 a.m.
SJU
-
MIA
Nonstop2h 45m
Spirit Airlines
Deal found 9/3C$ 190
Thu 7/511:36 p.m.
MIA
-
SJU
Nonstop2h 30m
Spirit Airlines
Sat 9/53:21 a.m.
SJU
-
MIA
Nonstop2h 45m
Spirit Airlines
Deal found 9/3C$ 218
Fri 24/410:24 p.m.
MIA
-
SJU
Nonstop2h 34m
Spirit Airlines
Thu 30/43:21 a.m.
SJU
-
MIA
Nonstop2h 45m
Spirit Airlines
Deal found 10/3C$ 219
Sun 29/39:25 p.m.
MIA
-
SJU
Nonstop2h 33m
Spirit Airlines
Fri 10/46:55 p.m.
SJU
-
MIA
1 stop15h 22m
Spirit Airlines
Deal found 13/3C$ 222
Thu 9/49:25 p.m.
MIA
-
SJU
Nonstop2h 33m
Spirit Airlines
Sun 19/47:00 a.m.
SJU
-
MIA
Nonstop2h 46m
Spirit Airlines
Deal found 13/3C$ 230
Wed 25/39:25 p.m.
MIA
-
SJU
Nonstop2h 33m
Spirit Airlines
Tue 31/311:03 a.m.
SJU
-
MIA
Nonstop2h 52m
Spirit Airlines
Deal found 8/3C$ 234
Sat 28/32:04 p.m.
MIA
-
SJU
1 stop10h 30m
Spirit Airlines
Thu 9/411:03 a.m.
SJU
-
MIA
Nonstop2h 52m
Spirit Airlines
Deal found 9/3C$ 241
Sat 2/511:36 p.m.
MIA
-
SJU
Nonstop2h 30m
Spirit Airlines
Fri 8/59:54 a.m.
SJU
-
MIA
1 stop12h 37m
Spirit Airlines
Deal found 9/3C$ 242
Tue 24/39:25 p.m.
MIA
-
SJU
Nonstop2h 33m
Spirit Airlines
Fri 27/311:03 a.m.
SJU
-
MIA
Nonstop2h 52m
Spirit Airlines
Deal found 9/3C$ 272
Fri 10/42:10 p.m.
MIA
-
YYZ
Nonstop3h 20m
Air Transat
Sun 19/49:40 a.m.
YYZ
-
MIA
Nonstop3h 24m
Air Transat
Deal found 13/3C$ 393
Wed 1/411:38 a.m.
MIA
-
YTZ
2 stops8h 25m
Multiple Airlines
Sun 5/49:25 a.m.
YTZ
-
MIA
1 stop25h 15m
Multiple Airlines
Deal found 13/3C$ 397
Thu 23/42:10 p.m.
MIA
-
YYZ
Nonstop3h 20m
Air Transat
Thu 30/49:40 a.m.
YYZ
-
MIA
Nonstop3h 24m
Air Transat
Deal found 9/3C$ 408

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

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Wed 25/3

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

Nonstop2h 33m

San Juan Luis Munoz Marin Intl

Tue 31/3

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

Nonstop2h 52m

C$ 234

MiamiToronto

MIA - YTZ

MIAYTZ

Miami

Thu 30/4

9:21 p.m.-1:05 p.m.

1 stop15h 44m

Toronto Island

Sun 3/5

9:15 a.m.-5:36 p.m.

1 stop8h 21m

C$ 428

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Fri 1/5

12:05 p.m.-11:55 p.m.

2 stops11h 50m

San Juan Luis Munoz Marin Intl

Fri 8/5

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

2 stops13h 00m

C$ 465

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Fri 22/5

7:36 a.m.-12:54 a.m.

1 stop17h 18m

San Juan Luis Munoz Marin Intl

Sun 24/5

2:09 a.m.-5:06 p.m.

1 stop14h 57m

C$ 471

MiamiToronto

MIA - YYZ

MIAYYZ

Miami

Fri 17/4

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

Nonstop3h 20m

Toronto Pearson Intl

Mon 20/4

9:40 a.m.-1:04 p.m.

Nonstop3h 24m

C$ 484

MiamiToronto

MIA - YTZ

MIAYTZ

Miami

Thu 16/4

5:49 p.m.-10:25 a.m.

1 stop16h 36m

Toronto Island

Sat 25/4

8:45 a.m.-4:22 p.m.

1 stop7h 37m

C$ 505

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 28/4

12:35 p.m.-11:40 p.m.

2 stops11h 05m

San Juan Luis Munoz Marin Intl

Wed 29/4

5:35 a.m.-8:40 p.m.

2 stops15h 05m

C$ 516

MiamiToronto

MIA - YTZ

MIAYTZ

Miami

Thu 2/4

10:39 a.m.-8:03 p.m.

2 stops9h 24m

Toronto Island

Mon 6/4

7:35 p.m.-9:34 a.m.

1 stop13h 59m

C$ 525

MiamiToronto

MIA - YTZ

MIAYTZ

Miami

Thu 9/4

10:39 a.m.-8:03 p.m.

2 stops9h 24m

Toronto Island

Sun 3/5

10:15 a.m.-4:22 p.m.

1 stop6h 07m

C$ 528

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Thu 14/5

1:00 p.m.-11:55 p.m.

2 stops10h 55m

San Juan Luis Munoz Marin Intl

Sun 17/5

11:40 a.m.-10:00 p.m.

2 stops10h 20m

C$ 540

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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 Pierre Elliott Trudeau Intl. Price data was last updated on 6 March 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, April is the cheapest month in which you can book a flight from Key Largo (average of C$ 93). Flying from Key Largo in July will prove the most costly (average of C$ 170). 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 14 March 2026.

Those who are seeking the cheapest fare on flights departing from Key Largo would be wise to consider leaving during Sunday evenings 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.

Air Canada
Air Canada
From C$ 222
American Airlines
American Airlines
From C$ 154
Sunrise Airways
Sunrise Airways
From C$ 715
Avianca
Avianca
From C$ 201

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
7.1
Good
11,463 reviews
Check prices

Entertainment

6.9

Comfort

7.2

Crew

7.9

Overall

7.1

Boarding

7.5

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,463 reviews
American Airlines
7.1
Good
11,463 reviews
Check prices

Entertainment

6.9

Comfort

7.2

Crew

7.9

Overall

7.1

Boarding

7.5

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
Air Canada
7.1
Good
10,800 reviews
American Airlines
7.1
Good
11,463 reviews
Check prices

Entertainment

6.9

Comfort

7.2

Crew

7.9

Overall

7.1

Boarding

7.5

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

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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 14 March 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 April; 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 Edmonton to Abbotsford from C$ 74 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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