ISP - SAL

$262 Find Cheap Flights from Islip to San Salvador

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Islip to San Salvador departing on 1/23. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to San Salvador

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Islip to San Salvador, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Islip to San Salvador, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$262
Frontier
Fri 1/23Sat 1/31
ISP - SAL • 2 stops
Cheapest one-way
$323
Multiple Airlines
Tue 2/3
ISP - SAL • 2 stops
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to San Salvador!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Islip to San Salvador (ISP-SAL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Islip to San Salvador that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Islip to San Salvador

Fri, Jan 23 - Sat, Jan 31
Frontier Logo
7:33 pm - 1:36 pm
ISP
-
SAL
19h 03m2 stops
Frontier Logo
2:51 pm - 8:40 am
SAL
-
ISP
16h 49m2 stops
$262Frontier
Fri, Feb 20 - Sun, Mar 1
Frontier Logo
7:59 pm - 1:11 pm
ISP
-
SAL
18h 12m2 stops
Frontier Logo
2:16 pm - 7:38 am
SAL
-
ISP
16h 22m2 stops
$414Frontier
Fri, Feb 20 - Sun, Mar 1
Frontier Logo
7:59 pm - 1:11 pm
ISP
-
SAL
18h 12m2 stops
Frontier Logo
2:16 pm - 7:38 am
SAL
-
ISP
16h 22m2 stops
$421Frontier
Fri, Feb 20 - Sat, Feb 28
Frontier Logo
7:59 pm - 1:11 pm
ISP
-
SAL
18h 12m2 stops
Frontier Logo
2:41 pm - 7:48 am
SAL
-
ISP
16h 07m2 stops
$511Frontier
Fri, Feb 20 - Sat, Feb 28
Frontier Logo
7:59 pm - 1:11 pm
ISP
-
SAL
18h 12m2 stops
Frontier Logo
2:41 pm - 7:48 am
SAL
-
ISP
16h 07m2 stops
$521Frontier
Fri, Feb 20 - Sun, Mar 1
Frontier Logo
7:59 pm - 1:11 pm
ISP
-
SAL
18h 12m2 stops
Frontier Logo
2:16 pm - 7:38 am
SAL
-
ISP
16h 22m2 stops
$527Frontier
Sat, Feb 21 - Sun, Mar 1
Frontier Logo
8:23 pm - 1:11 pm
ISP
-
SAL
17h 48m2 stops
Frontier Logo
2:16 pm - 7:38 am
SAL
-
ISP
16h 22m2 stops
$694Frontier
Sat, Feb 21 - Sat, Feb 28
Frontier Logo
8:23 pm - 1:11 pm
ISP
-
SAL
17h 48m2 stops
Frontier Logo
2:41 pm - 7:48 am
SAL
-
ISP
16h 07m2 stops
$751Frontier
Sat, Feb 21 - Sat, Feb 28
Frontier Logo
8:23 pm - 1:11 pm
ISP
-
SAL
17h 48m2 stops
Frontier Logo
2:41 pm - 7:48 am
SAL
-
ISP
16h 07m2 stops
$769Frontier
Sat, Feb 21 - Sun, Mar 1
Frontier Logo
8:23 pm - 1:11 pm
ISP
-
SAL
17h 48m2 stops
Frontier Logo
2:16 pm - 7:38 am
SAL
-
ISP
16h 22m2 stops
$785Frontier
Booking Insights

Good to know

Cheapest flight$262
Flight from Islip to San Salvador

When to book flights from Islip to San Salvador

Are your dates flexible? Find out the best times to travel from Islip to San Salvador based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Islip to San Salvador

  • What is the cheapest flight from Islip to San Salvador?

    In the last 3 days, the lowest price for a flight from Islip to San Salvador was $323 for a one-way ticket and $262 for a round-trip.

  • Do I need a passport to fly between Islip and San Salvador?

    Yes

  • Which airports will I be using when flying from Islip to San Salvador?

    Islip airport is called Islip Long Island and the only airport in San Salvador is San Salvador El Salvador Intl.

  • Which aircraft models fly most regularly from Islip to San Salvador?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Islip to San Salvador?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Islip to San Salvador.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Islip to San Salvador?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Salvador from Islip is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Islip to San Salvador?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Salvador with an airline and back to Islip with another airline. Booking your flights between Islip and SAL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Islip to San Salvador?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Salvador from Islip up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Islip to San Salvador

Information on your arrival and departure airports

Islip (ISP)
San Salvador (SAL)