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Cheap flights from Islip, New York to San Salvador from $146

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to San Salvador departing on 3/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Islip, New York to San Salvador

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:28 pm - 11:05 am
ISP
-
SAL
46h 37m
2 stops
Multiple Airlines Logo
10:05 pm - 11:46 pm
SAL
-
ISP
23h 41m
2 stops
$681Multiple Airlines
Sun, Feb 22 - Wed, Mar 18
Multiple Airlines Logo
1:28 pm - 3:40 pm
ISP
-
SAL
51h 12m
2 stops
Multiple Airlines Logo
8:45 am - 9:09 am
SAL
-
ISP
22h 24m
1 stop
$721Multiple Airlines
Sat, Feb 21 - Fri, Apr 3
Multiple Airlines Logo
1:22 pm - 1:48 pm
ISP
-
SAL
26h 26m
2 stops
Multiple Airlines Logo
7:45 am - 6:44 pm
SAL
-
ISP
8h 59m
1 stop
$723Multiple Airlines
Mon, Mar 23 - Mon, Mar 30
Multiple Airlines Logo
8:25 pm - 11:05 am
ISP
-
SAL
40h 40m
2 stops
Multiple Airlines Logo
12:05 pm - 11:46 pm
SAL
-
ISP
33h 41m
2 stops
$730Multiple Airlines
Fri, Mar 13 - Sun, Mar 22
Multiple Airlines Logo
1:28 pm - 11:05 am
ISP
-
SAL
46h 37m
2 stops
Multiple Airlines Logo
12:05 pm - 10:35 pm
SAL
-
ISP
32h 30m
2 stops
$732Multiple Airlines
Sat, Feb 21 - Fri, Apr 3
Multiple Airlines Logo
9:59 am - 8:15 pm
ISP
-
SAL
12h 16m
1 stop
Multiple Airlines Logo
2:53 pm - 12:33 pm
SAL
-
ISP
19h 40m
2 stops
$763Multiple Airlines
Wed, Mar 18 - Sun, Mar 22
Multiple Airlines Logo
1:25 pm - 6:15 am
ISP
-
SAL
41h 50m
2 stops
Multiple Airlines Logo
12:05 pm - 11:47 pm
SAL
-
ISP
33h 42m
2 stops
$792Multiple Airlines
Fri, Mar 6 - Fri, Mar 13
Multiple Airlines Logo
8:25 pm - 6:15 am
ISP
-
SAL
35h 50m
2 stops
Multiple Airlines Logo
12:05 pm - 7:27 pm
SAL
-
ISP
29h 22m
2 stops
$794Multiple Airlines
Thu, Mar 12 - Tue, Mar 24
Multiple Airlines Logo
8:25 am - 6:15 am
ISP
-
SAL
23h 50m
2 stops
Multiple Airlines Logo
8:00 am - 11:46 pm
SAL
-
ISP
37h 46m
2 stops
$796Multiple Airlines
Wed, Mar 18 - Sun, Mar 22
Multiple Airlines Logo
9:59 am - 8:15 pm
ISP
-
SAL
12h 16m
1 stop
Multiple Airlines Logo
2:53 pm - 12:33 pm
SAL
-
ISP
19h 40m
2 stops
$983Multiple Airlines
Fri, Mar 13 - Sun, Mar 22

momondo Fare Finder

 
Customize your flight search to find flights from Islip, New York to San 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, momondo users made 832,500 searches. Data last updated February 8, 2026.
Use the filters below to find and compare flights from Islip, New York to San Salvador that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Sun 2/22

1:28 pm-11:05 am

2 stops46h 37m

San Salvador El Salvador Intl

Wed 3/18

10:05 pm-11:46 pm

2 stops23h 41m

$681

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Sat 2/21

1:28 pm-3:40 pm

2 stops51h 12m

San Salvador El Salvador Intl

Fri 4/3

8:45 am-9:09 am

1 stop22h 24m

$721

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Mon 3/23

1:22 pm-1:48 pm

2 stops26h 26m

San Salvador El Salvador Intl

Mon 3/30

7:45 am-6:44 pm

1 stop8h 59m

$723

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Fri 3/13

8:25 pm-11:05 am

2 stops40h 40m

San Salvador El Salvador Intl

Sun 3/22

12:05 pm-11:46 pm

2 stops33h 41m

$730

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Sat 2/21

1:28 pm-11:05 am

2 stops46h 37m

San Salvador El Salvador Intl

Fri 4/3

12:05 pm-10:35 pm

2 stops32h 30m

$732

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Wed 3/18

9:59 am-8:15 pm

1 stop12h 16m

San Salvador El Salvador Intl

Sun 3/22

2:53 pm-12:33 pm

2 stops19h 40m

$763

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Fri 3/6

1:25 pm-6:15 am

2 stops41h 50m

San Salvador El Salvador Intl

Fri 3/13

12:05 pm-11:47 pm

2 stops33h 42m

$792

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Thu 3/12

8:25 pm-6:15 am

2 stops35h 50m

San Salvador El Salvador Intl

Tue 3/24

12:05 pm-7:27 pm

2 stops29h 22m

$794

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Wed 3/18

8:25 am-6:15 am

2 stops23h 50m

San Salvador El Salvador Intl

Sun 3/22

8:00 am-11:46 pm

2 stops37h 46m

$796

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Fri 3/13

9:59 am-8:15 pm

1 stop12h 16m

San Salvador El Salvador Intl

Sun 3/22

2:53 pm-12:33 pm

2 stops19h 40m

$983

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to San Salvador from

How to get the cheapest flight ticket from Islip, New York to San Salvador

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to San Salvador?

On average, the least expensive day to fly to San Salvador from Islip, New York is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $378. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Salvador on Sunday is $446.

What is the cheapest time of day to depart on your flight to San Salvador?

Our most recent data shows that the best time of day to fly to San Salvador is in the morning. Flights from Islip, New York to San Salvador during this time can be as low as $390. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $441 on average. Flights to San Salvador from Islip, New York in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Islip, New York to San Salvador

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York to San Salvador according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Islip, New York to San Salvador (ISP to SAL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to San Salvador

Fastest flight time

15h 38m

Direct flights

None
The fastest flight from Islip, New York to San Salvador takes 15h 38m
There are no direct flights from Islip, New York to San Salvador. There are no popular flight routes from Islip, New York to San Salvador.
Search flight deals

  • How far is Islip Long Island to San Salvador El Salvador Intl by plane?

    San Salvador El Salvador Intl is 2101.2 mi away from Islip Long Island. Typically, this will take 15h 38m by plane in normal conditions.

  • When did momondo last update prices for flights from Islip Long Island Airport to San Salvador El Salvador Intl Airport?

    Prices for flights from Islip Long Island Airport to San Salvador El Salvador Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Islip Long Island Airport to San Salvador El Salvador Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Islip Long Island Airport to San Salvador El Salvador Intl Airport.

  • What documentation or ID do you need to fly to San Salvador El Salvador Intl Airport?

    The required travel and health documents for your San Salvador El Salvador Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Salvador El Salvador Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near San Salvador?

Book flights to San Salvador if you plan to visit one of these locations
Sonsonate
Acajutla
La Libertad
El Cuco

Why use momondo?

Why should I use momondo to find a flight deal from Islip to San Salvador?

It is quick and easy to find Islip to San Salvador flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Salvador that suits you.

Can I find flights from Islip to San Salvador with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Islip to San Salvador flights to just show those with flexible booking policies.

How can momondo help me find flights from Islip to San Salvador?

momondo helps you find the best flight between Islip and San Salvador by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Islip to San Salvador right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Islip to San Salvador flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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