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Key Largo

$47+ Cheap flights from John F Kennedy Intl, NY (JFK) to Key Largo, FL

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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
JFK — MIA
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from New York John F Kennedy Intl to Key Largo are usually found in September or May, booked 29 days in advance, depart on a Monday or Sunday and return on a Friday

Cheap flight deals from John F Kennedy Intl to Key Largo

Keep the following information in mind while searching for John F Kennedy Intl to Key Largo flight deals. Data was last updated October 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$76
(Frontier)

One-way from

$47
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$212
Provider with most accurate pricing for New York (NYC)-Miami flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-Miami flights.
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From New York John F Kennedy Intl to Key Largo
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One-way flight from New York John F Kennedy Intl to Key Largo
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Highest demand for flights based on searches. 9% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from John F Kennedy Intl to Key Largo

Cheapest flights from John F Kennedy Intl to Key Largo
Explore the most affordable flight options available from John F Kennedy Intl to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Frontier deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:00 amJFK - MIA
Nonstop3h 12mFrontier
Sat 11/1510:15 pmMIA - JFK
Nonstop3h 00mFrontier
Deal found 10/29$76
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/226:00 amJFK - MIA
Nonstop3h 16mFrontier
Fri 11/289:40 pmMIA - JFK
Nonstop3h 01mFrontier
Deal found 10/30$77
This Frontier deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:00 amJFK - MIA
Nonstop3h 22mFrontier
Mon 12/159:03 pmMIA - JFK
Nonstop3h 04mFrontier
Deal found 10/30$78
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:00 amJFK - MIA
Nonstop3h 22mFrontier
Sat 12/209:35 pmMIA - JFK
Nonstop3h 04mFrontier
Deal found 10/29$79
This eDestinos deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:00 amJFK - MIA
Nonstop3h 12mFrontier
Mon 11/1710:15 pmMIA - JFK
Nonstop3h 00mFrontier
Deal found 10/29$80
This Trip.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:00 amJFK - MIA
Nonstop3h 22mFrontier
Fri 12/59:03 pmMIA - JFK
Nonstop3h 04mFrontier
Deal found 10/30$81
This CheapOair deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:20 amJFK - MIA
1 stop6h 09mFrontier
Mon 11/249:40 pmMIA - JFK
Nonstop3h 01mFrontier
Deal found 10/30$82
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:00 amJFK - MIA
Nonstop3h 12mFrontier
Mon 11/1710:15 pmMIA - JFK
Nonstop3h 00mFrontier
Deal found 10/29$83
This Frontier deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1510:00 amJFK - MIA
1 stop7h 25mFrontier
Tue 11/1810:15 pmMIA - JFK
Nonstop3h 00mFrontier
Deal found 10/30$84
This CheapOair deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:00 amJFK - MIA
Nonstop3h 12mFrontier
Mon 11/249:40 pmMIA - JFK
Nonstop3h 01mFrontier
Deal found 10/30$85
This Priceline deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:00 amJFK - MIA
Nonstop3h 16mFrontier
Fri 12/59:03 pmMIA - JFK
Nonstop3h 04mFrontier
Deal found 10/29$86
This Frontier deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:00 amJFK - MIA
Nonstop3h 12mFrontier
Thu 11/206:21 pmMIA - JFK
1 stop6h 03mFrontier
Deal found 10/30$87

Cheapflights Fare Finder

 
Customize your flight search to find flights from John F Kennedy Intl to Key Largo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from New York John F Kennedy Intl Airport to Key Largo that are best for you.

Fly from

John F Kennedy Intl

Fly to

Key Largo

Route

Depart

Return

Price

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Sun 12/21

7:30 am-10:45 am

Nonstop3h 15m

Miami

Wed 1/7

7:40 am-10:30 am

Nonstop2h 50m

$147

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Wed 12/3

7:59 pm-11:23 pm

Nonstop3h 24m

Miami

Sat 12/6

8:20 am-11:14 am

Nonstop2h 54m

$147

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Sun 1/18

4:59 pm-12:51 am

1 stop7h 52m

Miami

Sun 1/25

6:00 am-11:15 am

1 stop5h 15m

$157

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Sat 1/31

11:10 am-2:29 pm

Nonstop3h 19m

Miami

Wed 2/4

8:15 am-3:14 pm

1 stop6h 59m

$157

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Sat 2/21

7:45 pm-11:20 pm

Nonstop3h 35m

Miami

Tue 2/24

3:35 pm-9:17 pm

1 stop5h 42m

$157

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Tue 1/6

11:10 am-2:29 pm

Nonstop3h 19m

Miami

Mon 1/12

3:24 pm-9:57 pm

1 stop6h 33m

$157

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Thu 11/13

8:30 am-3:47 pm

1 stop7h 17m

Miami

Tue 11/18

6:00 am-11:17 am

1 stop5h 17m

$162

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Sat 1/24

1:13 pm-4:35 pm

Nonstop3h 22m

Miami

Sat 1/31

3:37 pm-6:45 pm

Nonstop3h 08m

$167

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Thu 1/29

12:25 pm-6:20 pm

1 stop5h 55m

Miami

Wed 2/18

7:00 pm-12:49 am

1 stop5h 49m

$167

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Sat 1/24

1:13 pm-4:35 pm

Nonstop3h 22m

Miami

Wed 2/4

7:40 am-10:30 am

Nonstop2h 50m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 23 results
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Best time to book a flight from John F Kennedy Intl to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from John F Kennedy Intl 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.

Cheapflights Insights

Everything you need to know about your flight from New York John F Kennedy Intl Airport to Key Largo

How far ahead should I book a flight from New York John F Kennedy Intl Airport to Key Largo?

Use this chart to determine the optimal time to book a round-trip flight from John F Kennedy Intl to Key Largo. Price data was last updated on October 24, 2025.

The best time to book flights from New York John F Kennedy Intl Airport to Key Largo is 29 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from New York John F Kennedy Intl Airport to Key Largo?

Currently, April is the cheapest month in which you can book a flight from New York John F Kennedy Intl Airport to Key Largo (average of $64). Flying from New York John F Kennedy Intl Airport to Key Largo in March is currently the most expensive (average of $98). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from JFK to KE9?

Find hourly flight availability from John F Kennedy Intl to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s typically best to fly out from New York John F Kennedy Intl Airport to Key Largo in the morning. Doing so could potentially save you 16% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from New York John F Kennedy Intl Airport to Key Largo?

Use this chart to determine the cheapest time to fly round-trip from John F Kennedy Intl to Key Largo. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their New York John F Kennedy Intl Airport to Key Largo flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to 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 an airline for your flight to Key Largo. Reviews last updated October 30, 2025.
Read through reviews of airlines operating flights from New York John F Kennedy Intl Airport to Key Largo, such as Delta, American Airlines, and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
American Airlines
7.2
Good
11,035 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
JetBlue
7.2
Good
2,906 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Spirit Airlines
6.3
Okay
8,116 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Frontier
5.8
Fair
3,122 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

Find useful and relevant information for your journey from John F Kennedy Intl to Key Largo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from New York John F Kennedy Intl Airport to Key Largo?

    There are many flights that can get you from New York John F Kennedy Intl Airport to Key Largo in 3h 15m. Fly via Delta to get the fastest option. The distance between New York John F Kennedy Intl Airport and Key Largo is about 1091 mi. All flights are typically nonstop.

  • What are the most reliable airlines from New York John F Kennedy Intl Airport to Key Largo?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from New York John F Kennedy Intl Airport to Key Largo on time: China Southern (100%), China Airlines (93%), Frontier (90%).

  • What are the cheapest flights from New York John F Kennedy Intl Airport to Key Largo?

    The cheapest flight price from New York John F Kennedy Intl Airport to Key Largo is $35. On average you can expect to pay $645. The most popular route, (New York John F Kennedy Intl - Miami), can usually be booked for $56.

  • Can I find deals for flights from John F Kennedy Intl to Key Largo that include hotel bookings?

    Yes. In addition to deals on John F Kennedy Intl to Key Largo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from John F Kennedy Intl to Key Largo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from John F Kennedy Intl to Key Largo.

  • Can I find deals for business class flights from John F Kennedy Intl to Key Largo?

    Yes. Cheapflights offers flight deals from John F Kennedy Intl to Key Largo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from New York John F Kennedy Intl Airport to Key Largo?

    Currently, April is the cheapest month in which you can book a flight from New York John F Kennedy Intl Airport to Key Largo (average of $64). Flying from New York John F Kennedy Intl Airport to Key Largo in March is currently the most expensive (average of $98). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for John F Kennedy Intl to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from John F Kennedy Intl to Key Largo

Discover the top 6 airlines that operate flights from John F Kennedy Intl to Key Largo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$57Average$170FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$72Average$193FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$107Average$298FlexibilityNo cancel feeOn-time62%
DeltaCheapest$115Average$355FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$128Average$156FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$134Average$364FlexibilityNo cancel feeOn-time71%

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