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El Salvador

$496+ Cheap flights from Islip, NY (ISP) to El Salvador

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — SAL
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
1 adult, Economy
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Cheap flight deals from Islip to El Salvador

Cheapest flights from Islip to El Salvador
Explore the most affordable flight options available from Islip to El Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 12, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/8. 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 4/234:07 pm
ISP
-
SAL
1 stop26h 18m
Multiple Airlines
Thu 4/309:55 am
SAL
-
ISP
3 stops25h 36m
Multiple Airlines
Deal found 3/8$496
This FlightHub deal was found by Cheapflights users on 3/7. 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.
Mon 7/2710:03 am
ISP
-
SAL
2 stops50h 02m
Frontier
Thu 8/201:19 pm
SAL
-
ISP
2 stops23h 15m
Frontier
Deal found 3/7$615
This Frontier deal was found by Cheapflights users on 3/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:45 am
ISP
-
SAL
2 stops18h 20m
Frontier
Mon 4/611:50 pm
SAL
-
ISP
2 stops15h 08m
Frontier
Deal found 3/9$748
This Expedia deal was found by Cheapflights users on 3/8. 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 4/229:04 pm
ISP
-
SAL
2 stops44h 36m
Multiple Airlines
Wed 4/2910:05 pm
SAL
-
ISP
2 stops20h 04m
Multiple Airlines
Deal found 3/8$757
This Expedia deal was found by Cheapflights users on 3/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:04 pm
ISP
-
SAL
2 stops44h 56m
Multiple Airlines
Mon 5/49:20 am
SAL
-
ISP
2 stops56h 19m
Multiple Airlines
Deal found 3/11$779
This Travelocity deal was found by Cheapflights users on 3/11. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:00 pm
ISP
-
SAL
2 stops29h 00m
Multiple Airlines
Tue 11/178:00 am
SAL
-
ISP
2 stops37h 17m
Multiple Airlines
Deal found 3/11$792
This FlightHub deal was found by Cheapflights users on 3/8. 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.
Sun 4/57:59 pm
ISP
-
SAL
2 stops28h 46m
Frontier
Sun 4/1211:50 pm
SAL
-
ISP
2 stops15h 54m
Frontier
Deal found 3/8$833
This Orbitz deal was found by Cheapflights users on 3/8. 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.
Tue 3/178:25 am
ISP
-
SAL
2 stops23h 50m
Multiple Airlines
Tue 3/2410:05 pm
SAL
-
ISP
2 stops19h 22m
Multiple Airlines
Deal found 3/8$896

Find flight deals from Islip to El Salvador

Keep the following information in mind while searching for Islip to El Salvador flight deals. Data was last updated March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$496
(Kiwi.com)

One-way from

$342
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$383
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 El Salvador
Search Deals
One-way flight from Islip Long Island to El Salvador
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to El Salvador 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 March 12, 2026.
Use the filters below to find and compare flights from Islip to El Salvador that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Mon 7/27

10:03 am-10:05 am

2 stops50h 02m

San Salvador El Salvador Intl

Thu 8/20

1:19 pm-2:34 pm

2 stops23h 15m

$615

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Wed 4/1

5:45 am-10:05 pm

2 stops18h 20m

San Salvador El Salvador Intl

Mon 4/6

11:50 pm-4:58 pm

2 stops15h 08m

$748

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Wed 4/22

9:04 pm-3:40 pm

2 stops44h 36m

San Salvador El Salvador Intl

Wed 4/29

8:45 am-4:30 pm

1 stop29h 45m

$821

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Sun 4/5

7:59 pm-10:45 pm

2 stops28h 46m

San Salvador El Salvador Intl

Sun 4/12

11:50 pm-5:44 pm

2 stops15h 54m

$833

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Fri 7/3

10:03 am-6:10 am

2 stops22h 07m

San Salvador El Salvador Intl

Fri 7/10

8:45 am-9:08 am

1 stop22h 23m

$952

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Sat 4/25

5:15 pm-4:25 pm

1 stop25h 10m

San Salvador El Salvador Intl

Sat 5/2

9:20 am-7:39 pm

2 stops56h 19m

$968
Quickest round-trip

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Mon 4/6

10:23 am-10:45 pm

2 stops14h 22m

San Salvador El Salvador Intl

Sun 4/12

11:50 pm-5:44 pm

2 stops15h 54m

$984

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Wed 4/1

5:45 am-10:05 pm

2 stops18h 20m

San Salvador El Salvador Intl

Wed 4/8

11:20 pm-3:10 pm

2 stops13h 50m

$1,046

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Sorted by cheapest first

Best time to book a flight from Islip to El Salvador

Have a flexible travel schedule? Discover the best time to fly to El Salvador 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 El Salvador

What is the cheapest month to book a flight from Islip, New York to El Salvador?

Currently, October is the cheapest month in which you can book a flight from Islip, New York to El Salvador (average of $92). Flying from Islip, New York to El Salvador in July is currently the most expensive (average of $202). 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 El Salvador. 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 El Salvador?

    For a flight from Islip to El Salvador, you will be flying from Long Island. Islip Long Island (ISP) is just 7.2 mi from the center of the city.

  • How long is the flight from Islip, New York to El Salvador?

    Frontier can get you from Islip, New York to El Salvador in just under 50h 02m. Your travel time can differ by up to . The distance between Islip, New York and El Salvador is about 2119 mi.

  • Can I find deals for flights from Islip to El Salvador that include hotel bookings?

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

  • How can I find direct flights from Islip to El Salvador?

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

  • Can I find deals for business class flights from Islip to El Salvador?

    Yes. Cheapflights offers flight deals from Islip to El Salvador 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 El Salvador?

    Currently, October is the cheapest month in which you can book a flight from Islip, New York to El Salvador (average of $92). Flying from Islip, New York to El Salvador in July is currently the most expensive (average of $202). 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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