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Central America

$134+ 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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — SJO
ene. 22 — ene. 291
jue. 1/22
jue. 1/29
1 adult, Economy
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Cheap 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 diciembre 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/294:40 pmISP - SAL
1 stop23h 07mMultiple Airlines
lun. 1/1211:23 amSAL - ISP
2 stops34h 23mMultiple Airlines
Deal found 12/20$544
This JetBlue deal was found by Cheapflights users on 12/21. 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.
lun. 12/227:40 pmISP - SJO
1 stop14h 13mJetBlue
lun. 12/2910:00 amSJO - ISP
1 stop7h 45mJetBlue
Deal found 12/21$912
This Kiwi.com deal was found by Cheapflights users on 12/21. 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.
mar. 12/3012:20 pmISP - SAP
1 stop23h 41mMultiple Airlines
sáb. 1/311:25 amSAP - ISP
2 stops25h 14mMultiple Airlines
Deal found 12/21$1,135
This Expedia deal was found by Cheapflights users on 12/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/268:35 pmISP - SAL
1 stop13h 25mMultiple Airlines
vie. 1/98:45 amSAL - ISP
1 stop23h 07mMultiple Airlines
Deal found 12/21$1,138
This JetBlue deal was found by Cheapflights users on 12/22. 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.
lun. 12/227:40 pmISP - SJO
1 stop14h 13mJetBlue
vie. 12/2610:00 amSJO - ISP
1 stop7h 45mJetBlue
Deal found 12/22$1,139
This KAYAK deal was found by Cheapflights users on 12/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/2512:30 pmISP - LIR
2 stops25h 25mMultiple Airlines
mié. 12/314:50 pmLIR - ISP
2 stops17h 15mMultiple Airlines
Deal found 12/22$1,644
This KAYAK deal was found by Cheapflights users on 12/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/227:40 pmISP - SJO
1 stop14h 13mJetBlue
vie. 1/210:00 amSJO - ISP
1 stop7h 45mJetBlue
Deal found 12/21$2,199

Find 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 diciembre 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$377
(JetBlue)

One-way from

$134
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$686
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. 18% potential increase in price ($90 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 December 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 diciembre 23, 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

lun. 2/2

10:00 am-4:23 pm

1 stop7h 23m

San José Juan Santamaria Intl

mié. 2/4

5:30 pm-8:52 am

1 stop14h 22m

$377

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

mié. 1/21

10:00 am-4:23 pm

1 stop7h 23m

San José Juan Santamaria Intl

lun. 1/26

5:30 pm-8:52 am

1 stop14h 22m

$399

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

lun. 1/19

10:00 am-4:23 pm

1 stop7h 23m

San José Juan Santamaria Intl

lun. 1/26

5:30 pm-8:52 am

1 stop14h 22m

$399

IslipLiberia

ISP - LIR

ISPLIR

Islip Long Island

vie. 2/6

12:25 pm-11:15 am

1 stop23h 50m

Liberia

vie. 2/13

2:00 pm-10:02 am

1 stop19h 02m

$399

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

lun. 1/19

10:00 am-4:23 pm

1 stop7h 23m

San José Juan Santamaria Intl

dom. 1/25

5:30 pm-8:52 am

1 stop14h 22m

$451

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

lun. 1/12

10:00 am-4:23 pm

1 stop7h 23m

San José Juan Santamaria Intl

mar. 1/13

5:30 pm-9:02 am

1 stop14h 32m

$453

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

mar. 1/13

10:00 am-4:23 pm

1 stop7h 23m

San José Juan Santamaria Intl

mié. 1/14

5:30 pm-8:52 am

1 stop14h 22m

$453

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

vie. 1/2

4:40 pm-1:49 pm

1 stop22h 09m

San Salvador El Salvador Intl

dom. 1/11

10:05 pm-7:51 pm

2 stops20h 46m

$467

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

lun. 1/5

7:40 pm-8:53 am

1 stop14h 13m

San José Juan Santamaria Intl

jue. 1/8

5:30 pm-8:52 am

1 stop14h 22m

$499

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

lun. 1/12

10:00 am-4:23 pm

1 stop7h 23m

San José Juan Santamaria Intl

vie. 1/16

5:30 pm-8:52 am

1 stop14h 22m

$505

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 19 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 $162). 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 7h 23m. The distance from Islip, New York to Central America is about 2232 mi.

  • 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 - San Salvador El Salvador Intl or Islip Long Island - Guatemala City La Aurora.

  • 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 $162). 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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