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Islip

$188+ Cheap flights from Central America to Islip, NY (ISP)

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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — ISP
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
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Cheap flight deals from Central America to Islip

Cheapest flights from Central America to Islip
Explore the most affordable flight options available from Central America to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 19, 2026.

This Frontier deal was found by Cheapflights users on 2/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/410:06 am
SJO
-
ISP
1 stop11h 36m
Frontier
Sat 4/116:29 pm
ISP
-
SJO
2 stops19h 43m
Frontier
Deal found 2/18$419
This JetBlue deal was found by Cheapflights users on 2/18. 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.
Thu 3/198:59 am
SJO
-
ISP
1 stop12h 47m
JetBlue
Thu 3/268:22 pm
ISP
-
SJO
1 stop13h 31m
JetBlue
Deal found 2/18$599
This JetBlue deal was found by Cheapflights users on 2/17. 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.
Tue 3/311:00 pm
SJO
-
ISP
1 stop7h 35m
JetBlue
Sun 4/127:00 am
ISP
-
SJO
1 stop6h 56m
JetBlue
Deal found 2/17$664
This JetBlue deal was found by Cheapflights users on 2/16. 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 3/208:59 am
SJO
-
ISP
1 stop12h 47m
JetBlue
Sat 3/218:25 pm
ISP
-
SJO
1 stop13h 28m
JetBlue
Deal found 2/16$667
This JetBlue deal was found by Cheapflights users on 2/15. 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 4/11:00 pm
LIR
-
ISP
1 stop7h 35m
JetBlue
Wed 4/87:00 am
ISP
-
LIR
1 stop6h 55m
JetBlue
Deal found 2/15$777
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 2/1912:15 pm
GUA
-
ISP
1 stop18h 23m
Multiple Airlines
Sun 2/228:33 am
ISP
-
GUA
2 stops28h 51m
Multiple Airlines
Deal found 2/19$796
This JetBlue deal was found by Cheapflights users on 2/16. 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 4/21:00 pm
SJO
-
ISP
1 stop7h 35m
JetBlue
Thu 4/97:00 am
ISP
-
SJO
1 stop6h 56m
JetBlue
Deal found 2/16$800
This JetBlue deal was found by Cheapflights users on 2/18. 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 4/41:00 pm
SJO
-
ISP
1 stop7h 35m
JetBlue
Sat 4/117:00 am
ISP
-
SJO
1 stop6h 56m
JetBlue
Deal found 2/18$867
This JetBlue deal was found by Cheapflights users on 2/19. 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 4/51:00 pm
SJO
-
ISP
1 stop7h 35m
JetBlue
Sun 4/127:00 am
ISP
-
SJO
1 stop6h 56m
JetBlue
Deal found 2/19$871
This JetBlue deal was found by Cheapflights users on 2/15. 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 3/218:59 am
SJO
-
ISP
1 stop12h 48m
JetBlue
Sat 3/288:22 pm
ISP
-
SJO
1 stop14h 30m
JetBlue
Deal found 2/15$879
This JetBlue deal was found by Cheapflights users on 2/15. 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 3/218:59 am
SJO
-
ISP
1 stop12h 48m
JetBlue
Sun 3/298:56 pm
ISP
-
SJO
1 stop13h 56m
JetBlue
Deal found 2/15$943
This JetBlue deal was found by Cheapflights users on 2/19. 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 3/2910:10 am
SJO
-
ISP
1 stop11h 52m
JetBlue
Sun 4/57:00 am
ISP
-
SJO
1 stop6h 56m
JetBlue
Deal found 2/19$1,462

Find flight deals from Central America to Islip

Keep the following information in mind while searching for Central America to Islip flight deals. Data was last updated February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$419
(Frontier)

One-way from

$188
(JetBlue)

Popular in

January

Cheapest in

September

Average price

$301
Provider with most accurate pricing for San Salvador El Salvador Intl-New York (NYC) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Salvador El Salvador Intl-New York (NYC) flights.
Search Deals
From Central America to Islip Long Island
Search Deals
One-way flight from Central America to Islip Long Island
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 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 Central America to Islip 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 19, 2026.
Use the filters below to find and compare flights from Central America to Islip that are best for you.

Fly from

Central America

Fly to

Islip

Route

Depart

Return

Price

San JoséIslip

SJO - ISP

SJOISP

San José Juan Santamaria Intl

Sat 4/4

10:06 am-11:42 pm

1 stop11h 36m

Islip Long Island

Sat 4/11

6:29 pm-12:12 pm

2 stops19h 43m

$419

San JoséIslip

SJO - ISP

SJOISP

San José Juan Santamaria Intl

Thu 3/19

8:59 am-11:46 pm

1 stop12h 47m

Islip Long Island

Thu 3/26

8:22 pm-7:53 am

1 stop13h 31m

$599

San JoséIslip

SJO - ISP

SJOISP

San José Juan Santamaria Intl

Tue 3/31

1:00 pm-10:35 pm

1 stop7h 35m

Islip Long Island

Sun 4/12

7:00 am-11:56 am

1 stop6h 56m

$664

San JoséIslip

SJO - ISP

SJOISP

San José Juan Santamaria Intl

Fri 3/20

8:59 am-11:46 pm

1 stop12h 47m

Islip Long Island

Sat 3/21

8:25 pm-7:53 am

1 stop13h 28m

$667

LiberiaIslip

LIR - ISP

LIRISP

Liberia

Wed 4/1

1:00 pm-10:35 pm

1 stop7h 35m

Islip Long Island

Wed 4/8

7:00 am-11:55 am

1 stop6h 55m

$777

San JoséIslip

SJO - ISP

SJOISP

San José Juan Santamaria Intl

Thu 4/2

1:00 pm-10:35 pm

1 stop7h 35m

Islip Long Island

Thu 4/9

7:00 am-11:56 am

1 stop6h 56m

$800

San JoséIslip

SJO - ISP

SJOISP

San José Juan Santamaria Intl

Sat 4/4

1:00 pm-10:35 pm

1 stop7h 35m

Islip Long Island

Sat 4/11

7:00 am-11:56 am

1 stop6h 56m

$867

San JoséIslip

SJO - ISP

SJOISP

San José Juan Santamaria Intl

Sun 4/5

1:00 pm-10:35 pm

1 stop7h 35m

Islip Long Island

Sun 4/12

7:00 am-11:56 am

1 stop6h 56m

$871

San JoséIslip

SJO - ISP

SJOISP

San José Juan Santamaria Intl

Sat 3/21

8:59 am-11:47 pm

1 stop12h 48m

Islip Long Island

Sat 3/28

8:22 pm-8:52 am

1 stop14h 30m

$879

San JoséIslip

SJO - ISP

SJOISP

San José Juan Santamaria Intl

Sat 3/21

8:59 am-11:47 pm

1 stop12h 48m

Islip Long Island

Sun 3/29

8:56 pm-8:52 am

1 stop13h 56m

$943

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 28 results
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Best time to book a flight from Central America to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Central America 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 Central America to Islip

What is the cheapest month to book a flight from Central America to Islip, New York?

Currently, September is the cheapest month in which you can book a flight from Central America to Islip, New York (average of $86). Flying from Central America to Islip, New York in February is currently the most expensive (average of $149). 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 Central America to Islip. 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 into for flights to Islip from Central America?

    Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly into when you book flights from Central America to Islip.

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

    Airlines like Frontier and JetBlue fly from Central America to Islip, New York in about 11h 36m. The time it takes to get you to your destination can typically vary by up to 1h 11m. Central America and Islip, New York are separated by a distance of 2232 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Central America to Islip, New York?

    The most popular route from Central America to Islip, New York is San José Juan Santamaria Intl - Islip Long Island. You may also consider Liberia - Islip Long Island or Guatemala City La Aurora - Islip Long Island.

  • Can I find deals for flights from Central America to Islip that include hotel bookings?

    Yes. In addition to deals on Central America to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Central America to Islip?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Central America to Islip.

  • Can I find deals for business class flights from Central America to Islip?

    Yes. Cheapflights offers flight deals from Central America to Islip 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 Central America to Islip, New York?

    Currently, September is the cheapest month in which you can book a flight from Central America to Islip, New York (average of $86). Flying from Central America to Islip, New York in February is currently the most expensive (average of $149). 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

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead

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