HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Key Largo

$101+ Cheap flights from Islip (ISP) 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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MIA
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Islip 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.

Cheap flight deals from Islip to Key Largo

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Key Largo (KE9). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Popular in

November

Cheapest in

May

Round-trip from

$278
(Southwest)

One-way from

$101
(Mytrip)
High demand for flights, 33% potential price rise
Search Deals
Best time to find cheap flights, 53% potential price drop
Search Deals
From Islip Long Island to Key Largo
Search Deals
One-way flight from Islip Long Island to Key Largo
Search Deals

Find flight deals from Islip to Key Largo

Cheapest flights from Islip to Key Largo
Explore the most affordable flight options available from Islip to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Southwest deal was found by Cheapflights users on 11/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2010:00 amISP - MIA
Nonstop3h 05mSouthwest
Sun 12/224:20 pmMIA - ISP
Nonstop2h 55mSouthwest
Deal found 11/19$353
This Mytrip deal was found by Cheapflights users on 11/19. 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.
Mon 12/161:57 pmISP - MIA
2 stops9h 27mMultiple Airlines
Thu 12/197:03 pmMIA - ISP
3 stops18h 14mMultiple Airlines
Deal found 11/19$359
This Trip.com deal was found by Cheapflights users on 11/20. 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.
Thu 11/2111:34 amISP - MIA
2 stops11h 43mFrontier
Sun 11/247:30 amMIA - ISP
2 stops17h 14mFrontier
Deal found 11/20$836

Find flights from Islip to Key Largo within your budget

Customize your flight search to find flights from Islip 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Sun 2/2

1:15 pm-4:25 pm

Nonstop3h 10m

Miami

Sat 2/8

4:55 pm-7:55 pm

Nonstop3h 00m

$278

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Mon 12/16

1:57 pm-11:24 pm

2 stops9h 27m

Miami

Thu 12/19

7:03 pm-1:17 pm

3 stops18h 14m

$359

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Mon 12/16

1:57 pm-11:24 pm

2 stops9h 27m

$101

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Wed 2/19

1:10 pm-4:20 pm

Nonstop3h 10m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Best time to book a flight from Islip to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Islip 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 Islip to Key Largo

Get recent, data-driven insights about flights from Islip to Key Largo including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Islip, New York to Key Largo?

Currently, September is the cheapest month in which you can book a flight from Islip, New York to Key Largo (average of $218). Flying from Islip, New York to Key Largo in March is currently the most expensive (average of $286). 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 ISP to KE9?

Find hourly flight availability from Islip 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 November 20, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Islip, New York to Key Largo as you normally would.

What is the cheapest day to fly from Islip, New York to Key Largo?

Use this chart to determine the cheapest time to fly round-trip from Islip to Key Largo. Price data was last updated on November 18, 2024.

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

Rainfall in Key Largo by month

Plan your trip to Key Largo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Key Largo ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Key Largo when rainfall is around 1.6 in.

Temperature in Key Largo by month

Plan your trip to Key Largo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Key Largo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

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 November 20, 2024.
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Boarding

8.2

Overall

8.1

Food

7.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Boarding

8.2

Overall

8.1

Food

7.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

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

  • What airport do you fly from for flights from Islip to Key Largo?

    For a flight from Islip to Key Largo, you will be flying from Long Island. Islip Long Island (ISP) is just 7.2 mi from the center of the city. Long Island is the only Islip airport and it handles 0 outbound flights to Key Largo per day. 5 airlines have flights to Key Largo from Islip Long Island on a regular basis.

  • What are the cheapest flights from Islip, New York to Key Largo?

    While on average a flight from Islip, New York to Key Largo is generally $370, our data shows the cheapest flight currently is $202. When looking at the most popular route, (Islip Long Island - Miami), you can expect to pay $278 for that flight.

  • Can I find deals for flights from Islip to Key Largo that include hotel bookings?

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

  • How can I find direct flights from Islip to Key Largo?

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

  • Can I find deals for business class flights from Islip to Key Largo?

    Yes. Cheapflights offers flight deals from Islip 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 Islip, New York to Key Largo?

    Currently, September is the cheapest month in which you can book a flight from Islip, New York to Key Largo (average of $218). Flying from Islip, New York to Key Largo in March is currently the most expensive (average of $286). 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 Islip to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.
LaGuardia to Fort Lauderdale flights
Newark to Fort Lauderdale flights
LaGuardia to Miami flights
John F Kennedy Intl to Miami flights
Newark to Miami flights
John F Kennedy Intl to Orlando flights
Newark to Orlando flights
John F Kennedy Intl to Fort Lauderdale flights
LaGuardia to Orlando flights
John F Kennedy Intl to West Palm Beach flights
Newark to Tampa flights
LaGuardia to Tampa flights
John F Kennedy Intl to Tampa flights
LaGuardia to West Palm Beach flights
Newark to West Palm Beach flights
Newark to Fort Myers flights
John F Kennedy Intl to Fort Myers flights
LaGuardia to Fort Myers flights
Islip to Orlando flights
Newark to Sarasota flights
Newark to Jacksonville flights
Islip to Fort Lauderdale flights
John F Kennedy Intl to Jacksonville flights
Newark to Key West flights
LaGuardia to Jacksonville flights
Syracuse to Orlando flights
Buffalo to Orlando flights
John F Kennedy Intl to Sarasota flights
Stewart to Fort Lauderdale flights
LaGuardia to Sarasota flights
John F Kennedy Intl to Key West flights
White Plains to Fort Lauderdale flights
White Plains to Orlando flights
White Plains to West Palm Beach flights
Islip to West Palm Beach flights
Stewart to Orlando flights
LaGuardia to Key West flights
White Plains to Miami flights
Buffalo to Fort Lauderdale flights
Albany to Orlando flights
Rochester to Orlando flights
Islip to Tampa flights
White Plains to Tampa flights
Albany to Fort Lauderdale flights
Buffalo to Tampa flights
Buffalo to Miami flights
White Plains to Fort Myers flights
LaGuardia to Pensacola flights
Syracuse to Miami flights
Rochester to Fort Lauderdale flights

Top 5 airlines flying from Islip to Key Largo

Discover the top 5 airlines that operate flights from Islip 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$164FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$62Average$193FlexibilityNo cancel feeOn-time65%
DeltaCheapest$63Average$314FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$78Average$340FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$271Average$406FlexibilityNo cancel feeOn-time63%
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.
View all available airlines