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Central America

$219+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — SJO
Feb 17 — Feb 241
Tue 2/17
Tue 2/24
1 adult, Economy
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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 January 18, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$336
(Trip.com)

One-way from

$263
(Expedia)

Popular in

December

Cheapest in

October

Average price

$401
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
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One-way flight from Islip Long Island to Central America
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Highest demand for flights based on searches. 16% potential increase in price ($78 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 18, 2026.

This Trip.com deal was found by Cheapflights users on 1/18. 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.
Sat 2/218:23 pm
ISP
-
SJO
1 stop16h 17m
Multiple Airlines
Tue 3/312:35 pm
SJO
-
ISP
1 stop19h 05m
Multiple Airlines
Deal found 1/18$336
This Kiwi.com deal was found by Cheapflights users on 1/18. 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.
Wed 3/49:33 am
ISP
-
GUA
1 stop26h 47m
Multiple Airlines
Wed 3/1111:15 am
GUA
-
ISP
1 stop26h 58m
Multiple Airlines
Deal found 1/18$344
This JetBlue deal was found by Cheapflights users on 1/17. 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 1/2110:00 am
ISP
-
SJO
1 stop7h 23m
JetBlue
Wed 1/285:30 pm
SJO
-
ISP
1 stop14h 22m
JetBlue
Deal found 1/17$467
This JetBlue deal was found by Cheapflights users on 1/17. 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 3/288:22 pm
ISP
-
SJO
1 stop14h 30m
JetBlue
Wed 4/11:00 pm
SJO
-
ISP
1 stop7h 46m
JetBlue
Deal found 1/17$563
This JetBlue deal was found by Cheapflights users on 1/18. 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 3/228:25 pm
ISP
-
SJO
1 stop13h 28m
JetBlue
Sat 3/288:59 am
SJO
-
ISP
1 stop13h 08m
JetBlue
Deal found 1/18$580
This JetBlue deal was found by Cheapflights users on 1/18. 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 1/2410:00 am
ISP
-
SJO
1 stop7h 23m
JetBlue
Sat 1/315:30 pm
SJO
-
ISP
1 stop14h 22m
JetBlue
Deal found 1/18$589
This JetBlue deal was found by Cheapflights users on 1/17. 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 5/78:34 pm
ISP
-
SJO
1 stop13h 19m
JetBlue
Tue 5/129:00 am
SJO
-
ISP
1 stop8h 39m
JetBlue
Deal found 1/17$620
This Expedia deal was found by Cheapflights users on 1/18. 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.
Wed 3/41:27 pm
ISP
-
SAL
2 stops46h 38m
Multiple Airlines
Wed 3/118:00 am
SAL
-
ISP
2 stops37h 46m
Multiple Airlines
Deal found 1/18$628
This JetBlue deal was found by Cheapflights users on 1/18. 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 3/148:25 pm
ISP
-
SJO
1 stop13h 28m
JetBlue
Mon 3/231:05 pm
SJO
-
ISP
1 stop8h 41m
JetBlue
Deal found 1/18$635
This Kiwi.com deal was found by Cheapflights users on 1/17. 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 2/148:23 pm
ISP
-
SJO
1 stop16h 17m
Multiple Airlines
Wed 2/181:31 pm
SJO
-
ISP
2 stops25h 41m
Multiple Airlines
Deal found 1/17$637
This JetBlue deal was found by Cheapflights users on 1/17. 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 1/2610:00 am
ISP
-
SJO
1 stop7h 23m
JetBlue
Fri 1/305:30 pm
SJO
-
ISP
1 stop14h 22m
JetBlue
Deal found 1/17$648
This JetBlue deal was found by Cheapflights users on 1/18. 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 1/2610:00 am
ISP
-
SJO
1 stop7h 23m
JetBlue
Sat 1/315:30 pm
SJO
-
ISP
1 stop14h 22m
JetBlue
Deal found 1/18$673

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 January 18, 2026.
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 2/21

8:23 pm-11:40 am

1 stop16h 17m

San José Juan Santamaria Intl

Tue 3/3

12:35 pm-8:40 am

1 stop19h 05m

$336

IslipGuatemala City

ISP - GUA

ISPGUA

Islip Long Island

Wed 3/4

9:33 am-11:20 am

1 stop26h 47m

Guatemala City La Aurora

Wed 3/11

11:15 am-4:13 pm

1 stop26h 58m

$344

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Sat 3/28

8:22 pm-8:52 am

1 stop14h 30m

San José Juan Santamaria Intl

Wed 4/1

1:00 pm-10:46 pm

1 stop7h 46m

$563

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Thu 5/7

8:34 pm-7:53 am

1 stop13h 19m

San José Juan Santamaria Intl

Tue 5/12

9:00 am-7:39 pm

1 stop8h 39m

$620

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Wed 3/4

1:27 pm-11:05 am

2 stops46h 38m

San Salvador El Salvador Intl

Wed 3/11

8:00 am-11:46 pm

2 stops37h 46m

$628

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Sat 3/14

8:25 pm-7:53 am

1 stop13h 28m

San José Juan Santamaria Intl

Mon 3/23

1:05 pm-11:46 pm

1 stop8h 41m

$635

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Sat 2/14

8:23 pm-11:40 am

1 stop16h 17m

San José Juan Santamaria Intl

Wed 2/18

1:31 pm-4:12 pm

2 stops25h 41m

$637

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Sat 3/14

8:22 pm-7:53 am

1 stop13h 31m

San José Juan Santamaria Intl

Sat 3/21

8:59 am-11:55 pm

1 stop12h 56m

$702

IslipPanama City

ISP - PTY

ISPPTY

Islip Long Island

Fri 2/20

1:26 pm-8:50 am

2 stops43h 24m

Panama City Tocumen Intl

Wed 2/25

2:55 am-8:47 am

2 stops29h 52m

$740

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Sat 2/21

9:29 am-11:56 am

1 stop27h 27m

San José Juan Santamaria Intl

Sat 2/28

1:10 pm-8:47 am

1 stop18h 37m

$743

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Showing 1-10 of 28 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 $161). 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 30m. 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 - 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, 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 $161). 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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