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Central America

$232+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — SJO
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
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 February 11, 2026.

This Orbitz deal was found by Cheapflights users on 2/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2712:25 pm
ISP
-
SJO
1 stop24h 57m
JetBlue
Thu 8/2012:55 pm
SJO
-
ISP
1 stop8h 01m
JetBlue
Deal found 2/10$531
This Southwest deal was found by Cheapflights users on 2/10. 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.
Mon 7/276:00 am
ISP
-
SJO
2 stops15h 40m
Southwest
Thu 8/209:00 am
SJO
-
ISP
2 stops11h 05m
Southwest
Deal found 2/10$560
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Thu 3/265:08 pm
ISP
-
GUA
1 stop19h 25m
Multiple Airlines
Wed 4/112:59 am
GUA
-
ISP
2 stops22h 27m
Multiple Airlines
Deal found 2/9$571
This Southwest deal was found by Cheapflights users on 2/10. 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.
Sun 7/266:00 am
ISP
-
SJO
1 stop7h 35m
Southwest
Thu 8/209:00 am
SJO
-
ISP
2 stops11h 05m
Southwest
Deal found 2/10$575
This JetBlue deal was found by Cheapflights users on 2/9. 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 3/268:22 pm
ISP
-
SJO
1 stop13h 31m
JetBlue
Thu 4/21:00 pm
SJO
-
ISP
1 stop7h 35m
JetBlue
Deal found 2/9$597
This Southwest deal was found by Cheapflights users on 2/10. 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 7/245:20 am
ISP
-
SJO
1 stop9h 25m
Southwest
Thu 8/209:00 am
SJO
-
ISP
2 stops11h 05m
Southwest
Deal found 2/10$605
This JetBlue deal was found by Cheapflights users on 2/11. 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
Sat 4/41:00 pm
SJO
-
ISP
1 stop7h 35m
JetBlue
Deal found 2/11$616
This Priceline deal was found by Cheapflights users on 2/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2510:03 am
ISP
-
SJO
1 stop24h 42m
Multiple Airlines
Thu 8/2012:55 pm
SJO
-
ISP
1 stop8h 01m
Multiple Airlines
Deal found 2/10$643
This Expedia deal was found by Cheapflights users on 2/9. 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.
Thu 3/268:22 pm
ISP
-
SAL
2 stops45h 18m
Multiple Airlines
Thu 4/23:33 pm
SAL
-
ISP
1 stop29h 41m
Multiple Airlines
Deal found 2/9$657
This JetBlue deal was found by Cheapflights users on 2/10. 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.
Fri 3/278:22 pm
ISP
-
SJO
1 stop13h 31m
JetBlue
Fri 4/31:00 pm
SJO
-
ISP
1 stop7h 35m
JetBlue
Deal found 2/10$685
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/2810:43 am
ISP
-
PTY
1 stop8h 12m
Multiple Airlines
Sat 4/49:12 am
PTY
-
ISP
1 stop13h 38m
Multiple Airlines
Deal found 2/11$830
This JetBlue deal was found by Cheapflights users on 2/10. 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.
Fri 3/278:22 pm
ISP
-
LIR
1 stop14h 57m
JetBlue
Fri 4/312:20 pm
LIR
-
ISP
1 stop8h 15m
JetBlue
Deal found 2/10$942

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 February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$463
(Kiwi.com)

One-way from

$146
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$391
Provider with most accurate pricing for New York (NYC)-San Salvador El Salvador Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-San Salvador El Salvador Intl flights.
Search Deals
From Islip Long Island to Central America
Search Deals
One-way flight from Islip Long Island to Central America
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 11, 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

Tue 7/28

12:25 pm-11:22 am

1 stop24h 57m

San José Juan Santamaria Intl

Thu 8/20

12:55 pm-10:56 pm

1 stop8h 01m

$531

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Mon 7/27

6:00 am-7:40 pm

2 stops15h 40m

San José Juan Santamaria Intl

Thu 8/20

9:00 am-10:05 pm

2 stops11h 05m

$560

IslipGuatemala City

ISP - GUA

ISPGUA

Islip Long Island

Thu 3/26

5:08 pm-10:33 am

1 stop19h 25m

Guatemala City La Aurora

Wed 4/1

12:59 am-1:26 am

2 stops22h 27m

$571

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Tue 7/28

6:00 am-12:45 pm

2 stops8h 45m

San José Juan Santamaria Intl

Thu 8/20

9:00 am-10:05 pm

2 stops11h 05m

$575

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Thu 3/26

8:22 pm-7:53 am

1 stop13h 31m

San José Juan Santamaria Intl

Thu 4/2

1:00 pm-10:35 pm

1 stop7h 35m

$597

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Sun 7/26

6:00 am-11:35 am

1 stop7h 35m

San José Juan Santamaria Intl

Thu 8/20

9:00 am-9:30 pm

1 stop10h 30m

$600

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

Sat 4/4

1:00 pm-10:35 pm

1 stop7h 35m

$616

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Fri 7/24

5:20 am-7:40 pm

2 stops16h 20m

San José Juan Santamaria Intl

Thu 8/20

9:00 am-10:05 pm

2 stops11h 05m

$625

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Thu 3/26

8:22 pm-3:40 pm

2 stops45h 18m

San Salvador El Salvador Intl

Thu 4/2

3:33 pm-11:14 pm

1 stop29h 41m

$657

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Fri 3/27

8:22 pm-7:53 am

1 stop13h 31m

San José Juan Santamaria Intl

Fri 4/3

1:00 pm-10:35 pm

1 stop7h 35m

$685

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 22 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 $67). 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 13h 53m. The distance from Islip, New York to Central America is about 2091 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 - Guatemala City La Aurora or Islip Long Island - Managua Augusto C Sandino.

  • 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 $67). 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

Browse thousands of different options on Cheapflights for your next trip

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See prices for flight routes from nearby airports that may be better suited for you.
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