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Cheap flights from Islip, New York to San Salvador from $420

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 8/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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
6:00 am - 4:25 pm
ISP
-
SAL
12h 25m
2 stops
Multiple Airlines Logo
11:55 am - 11:28 pm
SAL
-
ISP
33h 33m
2 stops
$785Multiple Airlines
Tue, Aug 18 - Tue, Sep 1
Multiple Airlines Logo
6:00 am - 9:05 pm
ISP
-
SAL
17h 05m
2 stops
Multiple Airlines Logo
11:55 am - 10:04 pm
SAL
-
ISP
32h 09m
2 stops
$935Multiple Airlines
Sat, Aug 22 - Sat, Aug 29
Multiple Airlines Logo
1:25 pm - 4:25 pm
ISP
-
SAL
29h 00m
1 stop
Multiple Airlines Logo
8:05 am - 1:05 pm
SAL
-
ISP
27h 00m
2 stops
$966Multiple Airlines
Tue, Sep 1 - Tue, Sep 8
Multiple Airlines Logo
6:00 am - 6:30 am
ISP
-
SAL
26h 30m
2 stops
Multiple Airlines Logo
10:05 pm - 1:05 pm
SAL
-
ISP
37h 00m
2 stops
$987Multiple Airlines
Tue, Sep 1 - Tue, Sep 8
Multiple Airlines Logo
6:00 am - 4:00 pm
ISP
-
SAL
36h 00m
2 stops
Multiple Airlines Logo
12:05 pm - 9:16 am
SAL
-
ISP
43h 11m
2 stops
$1,009Multiple Airlines
Thu, Jul 23 - Thu, Jul 30
Multiple Airlines Logo
1:35 pm - 4:25 pm
ISP
-
SAL
28h 50m
1 stop
Multiple Airlines Logo
10:05 pm - 11:28 pm
SAL
-
ISP
23h 23m
2 stops
$1,017Multiple Airlines
Tue, Aug 18 - Tue, Sep 1
Multiple Airlines Logo
4:48 pm - 6:30 am
ISP
-
SAL
15h 42m
2 stops
Multiple Airlines Logo
10:05 pm - 10:43 am
SAL
-
ISP
34h 38m
2 stops
$1,038Multiple Airlines
Fri, Aug 14 - Sat, Aug 15
Multiple Airlines Logo
4:48 pm - 11:05 am
ISP
-
SAL
20h 17m
2 stops
Multiple Airlines Logo
10:05 pm - 9:44 pm
SAL
-
ISP
21h 39m
2 stops
$1,060Multiple Airlines
Fri, Jul 31 - Fri, Aug 21
Multiple Airlines Logo
4:48 pm - 6:30 am
ISP
-
SAL
15h 42m
2 stops
Multiple Airlines Logo
8:45 am - 9:16 am
SAL
-
ISP
22h 31m
1 stop
$1,076Multiple Airlines
Fri, Jul 31 - Fri, Aug 21
Multiple Airlines Logo
6:00 am - 11:05 am
ISP
-
SAL
31h 05m
2 stops
Multiple Airlines Logo
12:05 pm - 10:43 am
SAL
-
ISP
44h 38m
2 stops
$1,098Multiple Airlines
Sun, Aug 9 - Sat, Aug 15

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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 July 13, 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

Cheapest round-trip

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Tue 8/18

6:00 am-4:25 pm

2 stops12h 25m

San Salvador El Salvador Intl

Tue 9/1

11:55 am-11:28 pm

2 stops33h 33m

$785

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Sat 8/22

6:00 am-9:05 pm

2 stops17h 05m

San Salvador El Salvador Intl

Sat 8/29

11:55 am-10:04 pm

2 stops32h 09m

$935

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Tue 9/1

1:25 pm-4:25 pm

1 stop29h 00m

San Salvador El Salvador Intl

Tue 9/8

8:05 am-1:05 pm

2 stops27h 00m

$966

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Tue 9/1

6:00 am-6:30 am

2 stops26h 30m

San Salvador El Salvador Intl

Tue 9/8

10:05 pm-1:05 pm

2 stops37h 00m

$987

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Thu 7/23

6:00 am-4:00 pm

2 stops36h 00m

San Salvador El Salvador Intl

Thu 7/30

12:05 pm-9:16 am

2 stops43h 11m

$1,009

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Tue 8/18

1:35 pm-4:25 pm

1 stop28h 50m

San Salvador El Salvador Intl

Tue 9/1

10:05 pm-11:28 pm

2 stops23h 23m

$1,017

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Fri 8/14

4:48 pm-6:30 am

2 stops15h 42m

San Salvador El Salvador Intl

Sat 8/15

10:05 pm-10:43 am

2 stops34h 38m

$1,038

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Fri 7/31

4:48 pm-11:05 am

2 stops20h 17m

San Salvador El Salvador Intl

Fri 8/21

10:05 pm-9:44 pm

2 stops21h 39m

$1,060
Quickest round-trip

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Fri 7/31

4:48 pm-6:30 am

2 stops15h 42m

San Salvador El Salvador Intl

Fri 8/21

8:45 am-9:16 am

1 stop22h 31m

$1,076

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Sun 8/9

6:00 am-11:05 am

2 stops31h 05m

San Salvador El Salvador Intl

Sat 8/15

12:05 pm-10:43 am

2 stops44h 38m

$1,098

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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 $409. 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 $489.

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 $422. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $461 on average. Flights to San Salvador from Islip, New York in the evening 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

12h 25m

Direct flights

None
The fastest flight from Islip, New York to San Salvador takes 12h 25m
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

Frequently asked questions about flying from Islip, New York to San Salvador

  • 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 12h 25m 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
Acajutla
La Libertad
El Cuco
Sonsonate

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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