HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Key Largo

$54+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
JFK — MIA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from John F Kennedy Intl to Key Largo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from New York John F Kennedy Intl to Key Largo are usually found in September or May, booked 70 days in advance, depart on a Wednesday or Monday 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 September 11, 2025.

Round-trip from

$91
(Cheapflightsfares)

One-way from

$54
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$154
From New York John F Kennedy Intl to Key Largo
Search Deals
One-way flight from New York John F Kennedy Intl to Key Largo
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

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 September 11, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:30 amJFK - MIA
Nonstop3h 18mFrontier
Fri 10/2410:46 pmMIA - JFK
Nonstop3h 00mFrontier
Deal found 9/11$91
This Frontier deal was found by Cheapflights users on 9/10. 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.
Wed 11/56:00 amJFK - MIA
Nonstop3h 12mFrontier
Thu 11/610:15 pmMIA - JFK
Nonstop3h 00mFrontier
Deal found 9/10$92
This Frontier deal was found by Cheapflights users on 9/11. 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.
Wed 11/56:00 amJFK - MIA
Nonstop3h 12mFrontier
Sat 11/810:15 pmMIA - JFK
Nonstop3h 00mFrontier
Deal found 9/11$93
This Booking.com deal was found by Cheapflights users on 9/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:00 amJFK - MIA
Nonstop3h 12mFrontier
Sun 11/210:15 pmMIA - JFK
Nonstop3h 00mFrontier
Deal found 9/11$95
This SmartFares deal was found by Cheapflights users on 9/9. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2611:30 amJFK - MIA
Nonstop3h 18mFrontier
Sun 10/1210:46 pmMIA - JFK
Nonstop3h 00mFrontier
Deal found 9/9$98
This SmartFares deal was found by Cheapflights users on 9/9. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2711:30 amJFK - MIA
Nonstop3h 18mFrontier
Mon 9/297:10 amMIA - JFK
Nonstop3h 19mFrontier
Deal found 9/9$100
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:30 amJFK - MIA
Nonstop3h 18mFrontier
Sun 10/57:10 amMIA - JFK
Nonstop3h 19mFrontier
Deal found 9/10$101
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2411:30 amJFK - MIA
Nonstop3h 18mFrontier
Thu 9/257:10 amMIA - JFK
Nonstop3h 19mFrontier
Deal found 9/10$102
This Gotogate deal was found by Cheapflights users on 9/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:30 amJFK - MIA
Nonstop3h 18mFrontier
Mon 10/67:10 amMIA - JFK
Nonstop3h 19mFrontier
Deal found 9/10$103
This Frontier deal was found by Cheapflights users on 9/10. 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.
Wed 9/2411:30 amJFK - MIA
Nonstop3h 18mFrontier
Sat 9/277:10 amMIA - JFK
Nonstop3h 19mFrontier
Deal found 9/10$104
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sun 11/25:00 amJFK - MIA
Nonstop3h 12mFrontier
Wed 11/1210:15 pmMIA - JFK
Nonstop3h 00mFrontier
Deal found 9/10$105
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2211:30 amJFK - MIA
Nonstop3h 18mFrontier
Sun 9/287:10 amMIA - JFK
Nonstop3h 19mFrontier
Deal found 9/10$106

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 September 11, 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

Sat 10/4

7:29 am-10:40 am

Nonstop3h 11m

Miami

Sat 10/4

7:35 pm-10:48 pm

Nonstop3h 13m

$117

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Fri 10/31

7:55 pm-11:19 pm

Nonstop3h 24m

Miami

Fri 11/7

7:28 pm-10:29 pm

Nonstop3h 01m

$127

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Tue 9/30

11:12 am-2:21 pm

Nonstop3h 09m

Miami

Wed 10/1

3:15 pm-6:40 pm

Nonstop3h 25m

$127

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Fri 9/26

5:50 pm-9:14 pm

Nonstop3h 24m

Miami

Wed 10/1

7:10 am-10:02 am

Nonstop2h 52m

$132

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Wed 10/1

12:29 pm-6:33 pm

1 stop6h 04m

Miami

Wed 10/8

11:16 am-2:14 pm

Nonstop2h 58m

$137

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Fri 11/7

1:20 pm-4:57 pm

Nonstop3h 37m

Miami

Tue 11/11

6:00 am-11:18 am

1 stop5h 18m

$137

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Wed 11/19

1:00 pm-4:10 pm

Nonstop3h 10m

Miami

Mon 11/24

7:59 pm-11:04 pm

Nonstop3h 05m

$137

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Wed 10/1

8:15 am-3:17 pm

1 stop7h 02m

Miami

Sat 10/11

7:35 pm-10:41 pm

Nonstop3h 06m

$137

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Sun 11/16

7:15 am-10:28 am

Nonstop3h 13m

Miami

Sat 11/22

7:59 pm-11:05 pm

Nonstop3h 06m

$137

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Sat 11/8

7:55 pm-11:19 pm

Nonstop3h 24m

Miami

Wed 11/19

6:00 am-11:18 am

1 stop5h 18m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 22 results
1
2
3

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 August 29, 2025.

The best time to book flights from New York John F Kennedy Intl Airport to Key Largo is 70 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, September is the cheapest month in which you can book a flight from New York John F Kennedy Intl Airport to Key Largo (average of $232). Flying from New York John F Kennedy Intl Airport to Key Largo in March is currently the most expensive (average of $289). 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 September 11, 2025.

When flying from New York John F Kennedy Intl Airport to Key Largo, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 Wednesday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from New York John F Kennedy Intl Airport to Key Largo

Explore weekly flight availability from John F Kennedy Intl to Key Largo. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 11, 2025.

The most flights from JFK to KE9 are scheduled on a Thursday (66 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (53 on average).

How much does it cost to fly round-trip from New York John F Kennedy Intl Airport to Key Largo?

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 September 11, 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
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
2,913 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
8,023 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
3,177 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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 11m. 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 Airlines (87%), Cathay Pacific (85%), Finnair (80%).

  • 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 $53. On average you can expect to pay $507. The most popular route, (New York John F Kennedy Intl - Miami), can usually be booked for $91.

  • 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, September is the cheapest month in which you can book a flight from New York John F Kennedy Intl Airport to Key Largo (average of $232). Flying from New York John F Kennedy Intl Airport to Key Largo in March is currently the most expensive (average of $289). 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.

See more FAQs

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.

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.
John F Kennedy Intl to Miami flights
Newark to Fort Lauderdale flights
Newark to Miami flights
LaGuardia to Fort Lauderdale flights
LaGuardia to Miami flights
John F Kennedy Intl to Orlando flights
John F Kennedy Intl to Fort Lauderdale flights
Newark to Orlando flights
LaGuardia to Orlando flights
John F Kennedy Intl to West Palm Beach flights
LaGuardia to Tampa flights
Newark to West Palm Beach flights
Newark to Tampa flights
John F Kennedy Intl to Tampa flights
LaGuardia to West Palm Beach flights
John F Kennedy Intl to Fort Myers flights
Newark to Fort Myers flights
LaGuardia to Fort Myers flights
John F Kennedy Intl to Sarasota flights
John F Kennedy Intl to Jacksonville flights
Newark to Sarasota flights
LaGuardia to Sarasota flights
Newark to Jacksonville flights
Newark to Key West flights
Stewart to Orlando flights
LaGuardia to Jacksonville flights
John F Kennedy Intl to Key West flights
Stewart to Fort Lauderdale flights
LaGuardia to Pensacola flights
Newark to Pensacola flights
LaGuardia to Key West flights
Stewart to St Petersburg flights
Stewart to Tampa flights
John F Kennedy Intl to Pensacola flights
John F Kennedy Intl to Valparaiso flights
Stewart to Fort Myers flights
John F Kennedy Intl to Panama City flights
LaGuardia to Panama City flights
John F Kennedy Intl to Daytona Beach flights
Newark to Panama City flights
LaGuardia to Valparaiso flights
Newark to St Petersburg flights
Newark to Tallahassee flights
LaGuardia to Daytona Beach flights
Newark to Daytona Beach flights
John F Kennedy Intl to Tallahassee flights
Newark to Melbourne flights
LaGuardia to Gainesville flights
John F Kennedy Intl to Gainesville flights
Stewart to West Palm Beach flights

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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$167FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$65Average$190FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$97Average$301FlexibilityNo cancel feeOn-time62%
DeltaCheapest$117Average$316FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$128Average$156FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$128Average$356FlexibilityNo cancel feeOn-time71%

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.