Find flights
Deals
Airlines

C$ 102+ 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 18/1. 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
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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 17 September 2025.

Cheapest one-way flight

C$ 81

Cheapest round-trip flight

C$ 135

Cheapest airline

American Airlines

Most popular destination

Toronto Pearson Intl (YYZ)
The cheapest one-way flight from Key Largo is currently to Detroit Metropolitan Wayne County.
Search Deals
The cheapest round-trip flight from Key Largo is currently to Toronto Pearson Intl.
Search Deals
On average, American Airlines currently has the cheapest one-way flight from Key Largo (avg. price of C$ 252).
Search Deals
Toronto Pearson Intl (YYZ) is currently the most popular flight destination from Key Largo (average round-trip price of C$ 281).
Search Deals

Find flights from Key Largo

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 17 September 2025.

Mon 29/95:30 a.m.MIA - LAS
1 stop14h 11mFrontier
Thu 2/1010:41 a.m.LAS - MIA
1 stop24h 50mFrontier
Deal found 17/9C$ 239
Thu 23/106:00 a.m.MIA - LAS
1 stop15h 55mFrontier
Fri 24/1012:59 a.m.LAS - MIA
1 stop12h 15mFrontier
Deal found 16/9C$ 264
Fri 7/117:35 p.m.MIA - LAS
1 stop7h 20mSouthwest
Tue 11/117:15 a.m.LAS - MIA
1 stop6h 00mSouthwest
Deal found 16/9C$ 266
Mon 29/97:23 p.m.MIA - LAS
Nonstop5h 30mSpirit Airlines
Thu 2/1011:07 a.m.LAS - MIA
Nonstop4h 48mSpirit Airlines
Deal found 17/9C$ 268
Fri 24/105:00 p.m.MIA - LAS
1 stop8h 30mSouthwest
Tue 28/109:10 a.m.LAS - MIA
2 stops9h 45mSouthwest
Deal found 16/9C$ 272
Mon 29/99:28 a.m.MIA - LAS
1 stop10h 13mMultiple Airlines
Thu 2/1011:07 a.m.LAS - MIA
Nonstop4h 48mMultiple Airlines
Deal found 16/9C$ 278
Tue 14/107:55 a.m.MIA - LAS
1 stop9h 55mSouthwest
Tue 21/109:45 p.m.LAS - MIA
1 stop10h 10mSouthwest
Deal found 16/9C$ 279
Fri 7/116:55 a.m.MIA - LAS
2 stops14h 00mSouthwest
Mon 10/1111:40 p.m.LAS - MIA
1 stop9h 25mSouthwest
Deal found 16/9C$ 281
Tue 30/96:25 p.m.MIA - YVR
1 stop29h 23mMultiple Airlines
Fri 3/108:30 p.m.YVR - MIA
2 stops18h 12mMultiple Airlines
Deal found 16/9C$ 294
Tue 30/910:28 a.m.MIA - SJU
1 stop6h 03mDelta
Sat 4/102:26 p.m.SJU - MIA
1 stop6h 57mDelta
Deal found 16/9C$ 296
Wed 22/107:55 p.m.MIA - YVR
2 stops20h 41mMultiple Airlines
Fri 24/109:30 a.m.YVR - MIA
1 stop12h 04mMultiple Airlines
Deal found 16/9C$ 300
Fri 17/105:15 a.m.MIA - YVR
1 stop18h 33mMultiple Airlines
Mon 20/108:30 p.m.YVR - MIA
2 stops15h 02mMultiple Airlines
Deal found 16/9C$ 303

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 17 September 2025. In the last 7 days, Cheapflights users made a total of 629,999 searches

Fly to

Pearson Intl

Route

Depart

Return

Price

MiamiLas Vegas

MIA - LAS

MIALAS

Miami

Fri 12/12

7:35 p.m.-11:55 p.m.

1 stop7h 20m

Las Vegas Harry Reid Intl

Sun 14/12

11:40 p.m.-1:05 p.m.

1 stop10h 25m

C$ 266

MiamiLas Vegas

MIA - LAS

MIALAS

Miami

Sat 13/12

4:35 p.m.-10:40 p.m.

2 stops9h 05m

Las Vegas Harry Reid Intl

Mon 15/12

11:40 p.m.-1:05 p.m.

1 stop10h 25m

C$ 272

MiamiVancouver

MIA - YVR

MIAYVR

Miami

Wed 15/10

7:55 p.m.-8:48 p.m.

1 stop27h 53m

Vancouver Intl

Wed 22/10

8:30 p.m.-12:34 a.m.

2 stops25h 04m

C$ 315

MiamiLas Vegas

MIA - LAS

MIALAS

Miami

Tue 2/12

1:30 p.m.-9:40 p.m.

1 stop11h 10m

Las Vegas Harry Reid Intl

Thu 4/12

6:10 a.m.-4:15 p.m.

1 stop7h 05m

C$ 347

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 3/3

7:00 a.m.-5:12 p.m.

1 stop9h 12m

San Juan Luis Munoz Marin Intl

Wed 4/3

6:17 p.m.-12:57 a.m.

1 stop7h 40m

C$ 358

MiamiCalgary

MIA - YYC

MIAYYC

Miami

Wed 29/10

2:21 p.m.-7:09 p.m.

1 stop30h 48m

Calgary

Sun 2/11

11:15 a.m.-11:45 a.m.

1 stop22h 30m

C$ 365

MiamiLas Vegas

MIA - LAS

MIALAS

Miami

Wed 1/10

6:30 p.m.-11:29 p.m.

1 stop7h 59m

Las Vegas Harry Reid Intl

Wed 8/10

7:15 a.m.-5:10 p.m.

1 stop6h 55m

C$ 367

MiamiLas Vegas

MIA - LAS

MIALAS

Miami

Tue 27/1

7:15 a.m.-3:05 p.m.

2 stops10h 50m

Las Vegas Harry Reid Intl

Sat 31/1

11:45 p.m.-11:50 a.m.

1 stop9h 05m

C$ 370

MiamiLas Vegas

MIA - LAS

MIALAS

Miami

Fri 24/10

6:45 p.m.-11:30 p.m.

1 stop7h 45m

Las Vegas Harry Reid Intl

Mon 27/10

12:35 a.m.-1:28 p.m.

1 stop9h 53m

C$ 381

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 30/9

7:30 a.m.-4:31 p.m.

1 stop9h 01m

San Juan Luis Munoz Marin Intl

Sat 4/10

5:41 p.m.-12:23 a.m.

1 stop6h 42m

C$ 388

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

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 Pearson Intl. Price data was last updated on 12 September 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 67 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, October is the cheapest month in which you can book a flight from Key Largo (average of C$ 87). 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 14 September 2025.

Those who are seeking the cheapest fare on flights departing from Key Largo would be wise to consider leaving during Saturday 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, Flair Airlines. These airlines depart to the following popular destinations: Toronto.

American Airlines
American Airlines
From C$ 113
Air Canada
Air Canada
From C$ 147
Avianca
Avianca
From C$ 165
Sunrise Airways
Sunrise Airways
From C$ 522

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
7.9
Good
365 reviews
Check prices

Entertainment

7.0

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
365 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Entertainment

7.0

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Entertainment

7.0

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Entertainment

7.0

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Flair Airlines
6.0
Okay
249 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Entertainment

7.0

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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 17 September 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 October; 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 Comox to Vancouver from C$ 55 round trip
    Travel from Paris to Porto from C$ 61 round trip
    Travel from Vancouver to Calgary from C$ 65 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.