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Central America

$282+ Cheap flights from Islip, NY (ISP) to Central America

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 12/26. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — SJO
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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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 November 26, 2025.

This JetBlue deal was found by Cheapflights users on 11/26. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:40 pmISP - SJO
1 stop14h 13mJetBlue
Thu 1/110:00 amSJO - ISP
1 stop7h 45mJetBlue
Deal found 11/26$284
This Frontier deal was found by Cheapflights users on 11/24. 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.
Fri 12/198:35 pmISP - SAL
1 stop13h 25mFrontier
Mon 12/2910:55 amSAL - ISP
2 stops23h 30mFrontier
Deal found 11/24$754
This JetBlue deal was found by Cheapflights users on 11/25. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:40 pmISP - SJO
1 stop14h 13mJetBlue
Wed 12/3110:00 amSJO - ISP
1 stop7h 45mJetBlue
Deal found 11/25$824
This JetBlue deal was found by Cheapflights users on 11/26. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:40 pmISP - SJO
1 stop14h 13mJetBlue
Wed 12/3110:00 amSJO - ISP
1 stop7h 45mJetBlue
Deal found 11/26$844
This JetBlue deal was found by Cheapflights users on 11/24. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:40 pmISP - SJO
1 stop14h 13mJetBlue
Sat 12/2710:00 amSJO - ISP
1 stop7h 55mJetBlue
Deal found 11/24$888
This JetBlue deal was found by Cheapflights users on 11/25. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:40 pmISP - SJO
1 stop14h 13mJetBlue
Mon 12/2910:00 amSJO - ISP
1 stop7h 45mJetBlue
Deal found 11/25$980
This JetBlue deal was found by Cheapflights users on 11/25. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:40 pmISP - SJO
1 stop14h 13mJetBlue
Mon 12/2910:00 amSJO - ISP
1 stop7h 45mJetBlue
Deal found 11/25$988
This JetBlue deal was found by Cheapflights users on 11/25. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:40 pmISP - SJO
1 stop14h 13mJetBlue
Thu 1/110:00 amSJO - ISP
1 stop7h 45mJetBlue
Deal found 11/25$1,028
This JetBlue deal was found by Cheapflights users on 11/25. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:40 pmISP - SJO
1 stop14h 13mJetBlue
Wed 12/3110:00 amSJO - ISP
1 stop7h 45mJetBlue
Deal found 11/25$1,039
This JetBlue deal was found by Cheapflights users on 11/25. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:40 pmISP - SJO
1 stop14h 13mJetBlue
Mon 12/2910:00 amSJO - ISP
1 stop7h 45mJetBlue
Deal found 11/25$1,048
This JetBlue deal was found by Cheapflights users on 11/25. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:50 pmISP - SJO
1 stop14h 03mJetBlue
Thu 12/2510:00 amSJO - ISP
1 stop7h 45mJetBlue
Deal found 11/25$1,238
This JetBlue deal was found by Cheapflights users on 11/24. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:40 pmISP - SJO
1 stop14h 13mJetBlue
Sat 12/2710:00 amSJO - ISP
1 stop7h 55mJetBlue
Deal found 11/24$1,245

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 November 26, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$284
(JetBlue)

One-way from

$282
(Frontier)

Popular in

December

Cheapest in

October

Average price

$402
Provider with most accurate pricing for New York (NYC)-San Salvador El Salvador Intl flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-San Salvador El Salvador Intl flights.
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From Islip Long Island to Central America
Search Deals
One-way flight from Islip Long Island to Central America
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Highest demand for flights based on searches. 21% potential increase in price ($107 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 26, 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

Wed 12/24

7:40 pm-8:53 am

1 stop14h 13m

San José Juan Santamaria Intl

Thu 1/1

10:00 am-6:45 pm

1 stop7h 45m

$284

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Mon 2/2

10:00 am-4:23 pm

1 stop7h 23m

San José Juan Santamaria Intl

Wed 2/4

5:30 pm-8:52 am

1 stop14h 22m

$340

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Tue 1/13

10:00 am-4:23 pm

1 stop7h 23m

San José Juan Santamaria Intl

Sun 2/1

5:30 pm-8:52 am

1 stop14h 22m

$557

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Sat 2/21

9:30 am-11:56 am

1 stop27h 26m

San José Juan Santamaria Intl

Sat 2/28

1:10 pm-8:37 am

1 stop18h 27m

$598

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Sat 1/10

7:56 pm-4:26 pm

2 stops21h 30m

San Salvador El Salvador Intl

Sat 1/17

12:21 pm-10:46 pm

1 stop9h 25m

$644

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Fri 1/16

10:00 am-4:23 pm

1 stop7h 23m

San José Juan Santamaria Intl

Tue 1/20

5:30 pm-8:52 am

1 stop14h 22m

$680

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Sat 1/17

10:00 am-4:23 pm

1 stop7h 23m

San José Juan Santamaria Intl

Sat 1/24

5:30 pm-8:52 am

1 stop14h 22m

$711

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Fri 12/19

8:35 pm-9:00 am

1 stop13h 25m

San Salvador El Salvador Intl

Mon 12/29

10:55 am-11:25 am

2 stops23h 30m

$754

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Thu 1/8

10:00 am-4:23 pm

1 stop7h 23m

San José Juan Santamaria Intl

Thu 1/15

5:30 pm-8:52 am

1 stop14h 22m

$760

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Thu 12/25

7:40 pm-8:53 am

1 stop14h 13m

San José Juan Santamaria Intl

Wed 12/31

10:00 am-6:45 pm

1 stop7h 45m

$824

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

Showing 1-10 of 24 results
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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, July is the cheapest month in which you can book a flight from Islip, New York to Central America (average of $68). Flying from Islip, New York to Central America in December is currently the most expensive (average of $191). 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.

  • How long is the flight from Islip, New York to Central America?

    Departing from Islip, New York to Central America will take you 14h 13m. The distance from Islip, New York to Central America is about 2232 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 - Belize City Philip S.W.Goldson.

  • 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, July is the cheapest month in which you can book a flight from Islip, New York to Central America (average of $68). Flying from Islip, New York to Central America in December is currently the most expensive (average of $191). 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

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Alternative routes for Islip to Central America

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