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Central America

$111+ 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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — SJO
Feb 1 — Feb 81
Sun 2/1
Sun 2/8
1 adult, Economy
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Cheap flight deals from Islip to Central America

Best flights from Islip to Central America
Discover carefully curated flight deals from Islip to Central America that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 2, 2026.

This Kiwi.com deal was found by Cheapflights users on 12/31. 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.
Tue 1/2012:00 pmISP - GUA
1 stop24h 20mMultiple Airlines
Fri 1/2312:15 pmGUA - ISP
1 stop7h 32mMultiple Airlines
Deal found 12/31$306
This JetBlue deal was found by Cheapflights users on 12/31. 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 1/2810:00 amISP - SJO
1 stop7h 23mJetBlue
Tue 2/35:30 pmSJO - ISP
1 stop14h 22mJetBlue
Deal found 12/31$461
This JetBlue deal was found by Cheapflights users on 12/31. 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 1/2810:00 amISP - SJO
1 stop7h 23mJetBlue
Wed 2/45:30 pmSJO - ISP
1 stop14h 32mJetBlue
Deal found 12/31$461
This Frontier deal was found by Cheapflights users on 1/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/137:59 pmISP - SAL
2 stops18h 12mFrontier
Sun 2/152:16 pmSAL - ISP
2 stops16h 22mFrontier
Deal found 1/1$975
This JetBlue deal was found by Cheapflights users on 12/30. 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 5/68:34 pmISP - SJO
1 stop13h 19mJetBlue
Mon 5/119:00 amSJO - ISP
1 stop8h 39mJetBlue
Deal found 12/30$468
This JetBlue deal was found by Cheapflights users on 12/30. 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 amISP - SJO
1 stop7h 23mJetBlue
Fri 1/305:30 pmSJO - ISP
1 stop14h 22mJetBlue
Deal found 12/30$492
This JetBlue deal was found by Cheapflights users on 12/30. 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 5/148:34 pmISP - SJO
1 stop13h 19mJetBlue
Mon 5/189:00 amSJO - ISP
1 stop8h 39mJetBlue
Deal found 12/30$501
This Expedia deal was found by Cheapflights users on 12/30. 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.
Tue 1/2712:25 pmISP - PTY
2 stops36h 15mMultiple Airlines
Tue 2/39:45 amPTY - ISP
2 stops47h 17mMultiple Airlines
Deal found 12/30$721
This JetBlue deal was found by Cheapflights users on 1/1. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2210:00 amISP - SJO
1 stop7h 23mJetBlue
Sun 1/255:30 pmSJO - ISP
1 stop14h 22mJetBlue
Deal found 1/1$522
This Expedia deal was found by Cheapflights users on 12/31. 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.
Tue 5/128:34 pmISP - PTY
2 stops44h 56mMultiple Airlines
Sun 5/1710:05 pmPTY - ISP
2 stops41h 25mMultiple Airlines
Deal found 12/31$800
This JetBlue deal was found by Cheapflights users on 12/31. 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 pmISP - SJO
1 stop13h 31mJetBlue
Mon 3/301:05 pmSJO - ISP
1 stop8h 50mJetBlue
Deal found 12/31$566
This JetBlue deal was found by Cheapflights users on 1/1. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2210:00 amISP - SJO
1 stop7h 23mJetBlue
Mon 1/265:30 pmSJO - ISP
1 stop14h 22mJetBlue
Deal found 1/1$569
This Ovago deal was found by Cheapflights users on 12/31. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/288:22 pmISP - LIR
1 stop17h 33mMultiple Airlines
Sat 4/43:35 pmLIR - ISP
1 stop17h 30mMultiple Airlines
Deal found 12/31$839
This JetBlue deal was found by Cheapflights users on 1/1. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/410:00 amISP - SJO
1 stop7h 23mJetBlue
Mon 2/95:30 pmSJO - ISP
1 stop14h 22mJetBlue
Deal found 1/1$584
This Priceline deal was found by Cheapflights users on 1/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/249:59 amISP - BZE
2 stops27h 25mMultiple Airlines
Mon 3/3012:24 pmBZE - ISP
2 stops21h 48mMultiple Airlines
Deal found 1/1$944
This JetBlue deal was found by Cheapflights users on 1/1. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/208:22 pmISP - SJO
1 stop13h 31mJetBlue
Wed 4/11:00 pmSJO - ISP
1 stop7h 46mJetBlue
Deal found 1/1$593
This Frontier deal was found by Cheapflights users on 12/31. 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.
Sat 2/148:23 pmISP - SAL
2 stops17h 48mFrontier
Sat 2/212:16 pmSAL - ISP
2 stops16h 32mFrontier
Deal found 12/31$1,411

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 January 2, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$306
(Kiwi.com)

One-way from

$111
(Trip.com)

Popular in

December

Cheapest in

October

Average price

$423
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.
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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. 18% potential increase in price ($90 potential increase over avg. RT price).
Search Deals
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 January 2026
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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 January 2, 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

IslipGuatemala City

ISP - GUA

ISPGUA

Islip Long Island

Tue 1/20

12:00 pm-11:20 am

1 stop24h 20m

Guatemala City La Aurora

Fri 1/23

12:15 pm-8:47 pm

1 stop7h 32m

$306

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Wed 1/28

10:00 am-4:23 pm

1 stop7h 23m

San José Juan Santamaria Intl

Tue 2/3

5:30 pm-8:52 am

1 stop14h 22m

$461

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Wed 1/28

10:00 am-4:23 pm

1 stop7h 23m

San José Juan Santamaria Intl

Wed 2/4

5:30 pm-9:02 am

1 stop14h 32m

$461

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Wed 5/6

8:34 pm-7:53 am

1 stop13h 19m

San José Juan Santamaria Intl

Mon 5/11

9:00 am-7:39 pm

1 stop8h 39m

$468

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Mon 1/26

10:00 am-4:23 pm

1 stop7h 23m

San José Juan Santamaria Intl

Fri 1/30

5:30 pm-8:52 am

1 stop14h 22m

$492

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Thu 5/14

8:34 pm-7:53 am

1 stop13h 19m

San José Juan Santamaria Intl

Mon 5/18

9:00 am-7:39 pm

1 stop8h 39m

$501

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Thu 1/22

10:00 am-4:23 pm

1 stop7h 23m

San José Juan Santamaria Intl

Sun 1/25

5:30 pm-8:52 am

1 stop14h 22m

$522

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

Mon 3/30

1:05 pm-11:55 pm

1 stop8h 50m

$566

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Thu 1/22

10:00 am-4:23 pm

1 stop7h 23m

San José Juan Santamaria Intl

Mon 1/26

5:30 pm-8:52 am

1 stop14h 22m

$569

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Wed 2/4

10:00 am-4:23 pm

1 stop7h 23m

San José Juan Santamaria Intl

Mon 2/9

5:30 pm-8:52 am

1 stop14h 22m

$584

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/31

Showing 1-10 of 33 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. 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 - 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 $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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Alternative routes for Islip to Central America

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