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Cheap flights from Islip, New York to El Salvador from $1,018

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to El Salvador departing on 3/6. 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
0 bags

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Find the cheapest flights from Islip, New York to El Salvador

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:25 pm - 6:15 am
ISP
-
SAL
41h 50m
2 stops
Multiple Airlines Logo
9:20 am - 7:39 pm
SAL
-
ISP
56h 19m
2 stops
$1,018Multiple Airlines
Fri, Mar 6 - Sat, Apr 18
Frontier Logo
6:15 am - 10:45 pm
ISP
-
SAL
18h 30m
2 stops
Frontier Logo
11:50 pm - 5:34 pm
SAL
-
ISP
15h 44m
2 stops
$1,594Frontier
Fri, Apr 3 - Fri, Apr 10
Multiple Airlines Logo
7:00 am - 3:40 pm
ISP
-
SAL
34h 40m
2 stops
Multiple Airlines Logo
8:45 am - 9:09 am
SAL
-
ISP
22h 24m
1 stop
$1,726Multiple Airlines
Fri, Apr 3 - Fri, Apr 10

momondo Fare Finder

 
Customize your flight search to find flights from Islip, New York 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, momondo users made 832,500 searches. Data last updated February 20, 2026.
Use the filters below to find and compare flights from Islip, New York to El Salvador that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

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

Sat 4/18

9:20 am-7:39 pm

2 stops56h 19m

$1,018

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Fri 4/3

6:15 am-10:45 pm

2 stops18h 30m

San Salvador El Salvador Intl

Fri 4/10

11:50 pm-5:34 pm

2 stops15h 44m

$1,594

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Fri 4/3

7:00 am-3:40 pm

2 stops34h 40m

San Salvador El Salvador Intl

Fri 4/10

8:45 am-9:09 am

1 stop22h 24m

$1,726

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to El Salvador from

How to get the cheapest flight ticket from Islip, New York to El 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 airlines fly to El Salvador?

Avianca, United Airlines and Volaris El Salvador are the top three most popular airlines that fly to El Salvador from Islip, New York according to our data. Avianca is the first choice among our users, with 79% of people opting to fly with this airline when traveling to El Salvador. Keep in mind that there are 8 different airlines that fly to El Salvador on a routine basis, so you have a few additional options to choose from.

Cheap Islip, New York to El Salvador flight deals and tips

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

Fastest flight time

41h 50m

Direct flights

None
The fastest flight from Islip, New York to El Salvador takes 41h 50m
There are no direct flights from Islip, New York to El Salvador. There are no popular flight routes from Islip, New York to El Salvador.
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  • When did momondo last update prices for flights from Islip Long Island Airport to El Salvador?

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to El Salvador.

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

    The travel and health documents you'll need for your trip to El Salvador may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at El Salvador. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Islip to El Salvador. momondo saves you time and could save you money on your trip.

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

All flight searches from Islip to El Salvador on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Islip and El 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 El Salvador right now. Can momondo alert me if prices change?

If you are simply researching potential flights to El Salvador, momondo offers a useful price alert feature which will track prices for flights to El Salvador from Islip and alert you when they change.

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1 adult
Sun 3/22
Sun 3/29
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Find better results for your trip to El Salvador

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Popular flights according to clicks in the last 7 days on momondo
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