HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Central America

$539+ Cheap flights from Islip, NY (ISP) to Central America

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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — SJO
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Islip to Central America 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 Central America

Keep the following information in mind while searching for Islip to Central America flight deals. Data was last updated July 3, 2025.

Round-trip from

$539
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$420
From Islip Long Island to Central America
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Islip to Central America

Cheapest flights from Islip to Central America
Explore the most affordable flight options available from Islip to Central America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/168:37 pmISP - SJO
1 stop15h 55mMultiple Airlines
Sat 8/238:00 pmSJO - ISP
2 stops34h 08mMultiple Airlines
Deal found 7/2$539
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 8/168:37 pmISP - SAL
1 stop23h 18mMultiple Airlines
Sat 8/231:42 pmSAL - ISP
2 stops40h 26mMultiple Airlines
Deal found 7/1$590
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 7/66:00 amISP - GUA
1 stop30h 10mMultiple Airlines
Tue 7/811:15 amGUA - ISP
1 stop8h 43mMultiple Airlines
Deal found 7/1$595
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 7/128:37 pmISP - SAP
1 stop15h 28mMultiple Airlines
Fri 7/259:49 amSAP - ISP
2 stops31h 53mMultiple Airlines
Deal found 7/1$610
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/168:37 pmISP - PTY
2 stops23h 38mMultiple Airlines
Sat 8/238:03 amPTY - ISP
1 stop9h 35mMultiple Airlines
Deal found 7/2$1,167

Cheapflights Fare Finder

Customize your flight search to find flights from Islip to Central America 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 July 3, 2025.
Use the filters below to find and compare flights from Islip to Central America that are best for you.

Fly from

Islip

Fly to

Central America

Route

Depart

Return

Price

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Sat 8/16

8:37 pm-10:32 am

1 stop15h 55m

San José Juan Santamaria Intl

Sat 8/23

8:00 pm-8:08 am

2 stops34h 08m

$539

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Sat 8/16

8:37 pm-5:55 pm

1 stop23h 18m

San Salvador El Salvador Intl

Sat 8/23

1:42 pm-8:08 am

2 stops40h 26m

$590

IslipGuatemala City

ISP - GUA

ISPGUA

Islip Long Island

Sat 8/16

8:37 pm-11:21 am

2 stops16h 44m

Guatemala City La Aurora

Sat 8/23

11:15 am-6:48 pm

1 stop29h 33m

$608

IslipPanama City

ISP - PTY

ISPPTY

Islip Long Island

Sat 8/16

8:37 pm-7:15 pm

2 stops23h 38m

Panama City Tocumen Intl

Sat 8/23

8:03 am-6:38 pm

1 stop9h 35m

$1,167

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Islip to Central America

Have a flexible travel schedule? Discover the best time to fly to Central America 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.

Cheapflights Insights

Everything you need to know about your flight from Islip to Central America

What is the cheapest month to book a flight from Islip, New York to Central America?

Currently, September is the cheapest month in which you can book a flight from Islip, New York to Central America (average of $398). Flying from Islip, New York to Central America in March is currently the most expensive (average of $555). 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.

Related info for your journey

Find useful and relevant information for your journey from Islip to Central America. 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 Central America?

    Islip Long Island (ISP) is the airport you will fly out of if you book a flight from Islip to Central America. It is only a 7.2 mi journey to Long Island (ISP) from Islip’s city center.

  • What are the most popular routes from Islip, New York to Central America?

    The most popular route from Islip, New York to Central America is Islip Long Island - San José Juan Santamaria Intl. You may also consider Islip Long Island - Panama City Tocumen Intl or Islip Long Island - San Salvador El Salvador Intl.

  • Can I find deals for flights from Islip to Central America that include hotel bookings?

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

  • How can I find direct flights from Islip to Central America?

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

  • Can I find deals for business class flights from Islip to Central America?

    Yes. Cheapflights offers flight deals from Islip to Central America 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 Central America?

    Currently, September is the cheapest month in which you can book a flight from Islip, New York to Central America (average of $398). Flying from Islip, New York to Central America in March is currently the most expensive (average of $555). 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 Central America

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
LaGuardia to Dallas/Fort Worth flights
John F Kennedy Intl to Miami flights
Newark to Los Angeles flights
John F Kennedy Intl to O'Hare Intl flights
John F Kennedy Intl to Luis Munoz Marin Intl flights
John F Kennedy Intl to Cancún flights
LaGuardia to Fort Lauderdale flights
Newark to Fort Lauderdale flights
Newark to Cancún flights
John F Kennedy Intl to Orlando flights
Newark to O'Hare Intl flights
LaGuardia to O'Hare Intl flights
John F Kennedy Intl to Seattle flights
John F Kennedy Intl to Atlanta flights
John F Kennedy Intl to Heathrow flights
John F Kennedy Intl to Dallas/Fort Worth flights
Newark to Seattle flights
John F Kennedy Intl to San Francisco flights
Newark to Miami flights
LaGuardia to Miami flights
Newark to Heathrow flights
John F Kennedy Intl to Mexico City flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Fort Lauderdale flights
John F Kennedy Intl to Charles de Gaulle flights
Newark to Orlando flights
John F Kennedy Intl to Santiago de los Caballeros flights
Newark to Las Vegas flights
Newark to San Francisco flights
Newark to Luis Munoz Marin Intl flights
Newark to Dallas/Fort Worth flights
John F Kennedy Intl to Denver flights
LaGuardia to Atlanta flights
John F Kennedy Intl to Istanbul flights
Newark to Charles de Gaulle flights
LaGuardia to Denver flights
John F Kennedy Intl to Haneda flights
Newark to Atlanta flights
Newark to Leonardo da Vinci/Fiumicino flights
LaGuardia to Orlando flights
LaGuardia to Los Angeles flights
John F Kennedy Intl to Punta Cana flights
John F Kennedy Intl to Tel Aviv flights
John F Kennedy Intl to Tampa flights
Newark to Orly flights
John F Kennedy Intl to Suvarnabhumi flights
Newark to Haneda flights
Newark to Narita flights

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.