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Central America

$204+ Cheap flights from Islip (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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — SJO
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
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 August 20, 2025.

Round-trip from

$293
(Expedia)

One-way from

$204
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$475
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. 19% potential increase in price ($95 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 20, 2025.

This Expedia deal was found by Cheapflights users on 8/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:35 amISP - GUA
1 stop26h 53mJetBlue
Fri 10/101:38 pmGUA - ISP
1 stop19h 12mJetBlue
Deal found 8/19$293
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Fri 10/35:05 pmISP - GUA
2 stops20h 20mMultiple Airlines
Fri 10/1011:25 amGUA - ISP
1 stop21h 12mMultiple Airlines
Deal found 8/19$316
This FlightHub deal was found by Cheapflights users on 8/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/109:59 amISP - SAL
2 stops28h 25mFrontier
Fri 10/171:39 pmSAL - ISP
2 stops18h 58mFrontier
Deal found 8/20$551
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Fri 10/174:58 pmISP - SJO
1 stop19h 43mMultiple Airlines
Sun 11/306:07 pmSJO - ISP
2 stops48h 07mMultiple Airlines
Deal found 8/19$611
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Fri 9/57:30 amISP - SAL
1 stop14h 45mMultiple Airlines
Sun 9/71:45 pmSAL - ISP
2 stops18h 55mMultiple Airlines
Deal found 8/20$627
This FlightHub deal was found by Cheapflights users on 8/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/217:33 pmISP - GUA
2 stops18h 45mFrontier
Mon 8/251:38 pmGUA - ISP
2 stops32h 21mFrontier
Deal found 8/19$661
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Fri 10/107:30 amISP - SAL
1 stop14h 45mMultiple Airlines
Fri 10/178:00 amSAL - ISP
2 stops24h 37mMultiple Airlines
Deal found 8/20$699
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Fri 9/197:30 amISP - SAL
1 stop14h 45mMultiple Airlines
Fri 9/268:33 amSAL - ISP
2 stops24h 22mMultiple Airlines
Deal found 8/20$719
This Ovago deal was found by Cheapflights users on 8/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2111:40 amISP - GUA
1 stop26h 21mJetBlue
Mon 8/251:11 pmGUA - ISP
1 stop20h 30mJetBlue
Deal found 8/19$795
This FlightHub deal was found by Cheapflights users on 8/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2711:53 amISP - PTY
1 stop8h 48mMultiple Airlines
Sun 11/307:31 amPTY - ISP
1 stop12h 30mMultiple Airlines
Deal found 8/20$1,319
This Ovago deal was found by Cheapflights users on 8/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:18 pmISP - SJO
1 stop24h 08mJetBlue
Thu 1/19:38 amSJO - ISP
1 stop21h 58mJetBlue
Deal found 8/20$1,793
This Southwest deal was found by Cheapflights users on 8/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:30 amISP - SJO
2 stops15h 40mSouthwest
Thu 1/19:00 amSJO - ISP
2 stops12h 05mSouthwest
Deal found 8/18$2,088

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 August 20, 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

IslipGuatemala City

ISP - GUA

ISPGUA

Islip Long Island

Fri 10/3

11:35 am-12:28 pm

1 stop26h 53m

Guatemala City La Aurora

Fri 10/10

1:38 pm-10:50 am

1 stop19h 12m

$293

IslipGuatemala City

ISP - GUA

ISPGUA

Islip Long Island

Fri 10/3

5:05 pm-11:25 am

2 stops20h 20m

Guatemala City La Aurora

Fri 10/10

11:25 am-10:37 am

1 stop21h 12m

$316

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Fri 10/10

9:59 am-12:24 pm

2 stops28h 25m

San Salvador El Salvador Intl

Fri 10/17

1:39 pm-10:37 am

2 stops18h 58m

$551

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Fri 10/17

4:58 pm-10:41 am

1 stop19h 43m

San José Juan Santamaria Intl

Sun 11/30

6:07 pm-7:14 pm

2 stops48h 07m

$611

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Fri 9/5

7:30 am-8:15 pm

1 stop14h 45m

San Salvador El Salvador Intl

Sun 9/7

1:45 pm-10:40 am

2 stops18h 55m

$627

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Fri 10/10

7:30 am-8:15 pm

1 stop14h 45m

San Salvador El Salvador Intl

Fri 10/17

8:00 am-10:37 am

2 stops24h 37m

$699

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Fri 9/19

7:30 am-8:15 pm

1 stop14h 45m

San Salvador El Salvador Intl

Fri 9/26

8:33 am-10:55 am

2 stops24h 22m

$719

IslipLiberia

ISP - LIR

ISPLIR

Islip Long Island

Sat 1/10

5:45 am-1:30 pm

1 stop8h 45m

Liberia

Sat 1/17

3:55 pm-2:35 pm

2 stops21h 40m

$721

IslipPanama City

ISP - PTY

ISPPTY

Islip Long Island

Thu 11/27

11:53 am-8:41 pm

1 stop8h 48m

Panama City Tocumen Intl

Sun 11/30

7:31 am-8:01 pm

1 stop12h 30m

$1,319

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Sat 12/27

5:18 pm-4:26 pm

1 stop24h 08m

San José Juan Santamaria Intl

Thu 1/1

9:38 am-8:36 am

1 stop21h 58m

$1,771

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 18 results
1
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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 to Central America?

Currently, September is the cheapest month in which you can book a flight from Islip to Central America (average of $398). Flying from Islip to Central America in March is currently the most expensive (average of $555). 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 to Central America?

    Airlines like JetBlue, Frontier, and Southwest fly from Islip to Central America in about 8h 45m. The time it takes to get you to your destination can typically vary by up to 19h 40m. The distance from Islip to Central America is about 2219 mi. This flight may include one or multiple stops.

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

    The most popular route from Islip to Central America is Islip Long Island - Panama City Tocumen Intl. You may also consider Islip Long Island - San José Juan Santamaria 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 to Central America?

    Currently, September is the cheapest month in which you can book a flight from Islip to Central America (average of $398). Flying from Islip to Central America in March is currently the most expensive (average of $555). 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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