SJU - ISP

$87 Find Cheap Flights from San Juan to Islip

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Juan to Islip departing on 2/24. 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 Islip

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Juan to Islip, 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 San Juan to Islip, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$195
Frontier
Wed 2/25Sat 2/28
SJU - ISP • 1 stop
Cheapest one-way
$87
Frontier
Tue 2/24
SJU - ISP • 1 stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Islip!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from San Juan to Islip (SJU-ISP)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Juan to Islip 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 San Juan to Islip

Wed, Feb 25 - Sat, Feb 28
Frontier Logo
11:07 am - 2:39 pm
SJU
-
ISP
28h 32m
1 stop
Frontier Logo
8:23 pm - 2:53 am
ISP
-
SJU
29h 30m
1 stop
$195Frontier
Wed, Feb 25 - Mon, Mar 2
Frontier Logo
3:53 am - 2:39 pm
SJU
-
ISP
11h 46m
1 stop
Frontier Logo
2:17 pm - 2:25 am
ISP
-
SJU
11h 08m
1 stop
$212Frontier
Wed, Feb 25 - Mon, Mar 2
Frontier Logo
3:53 am - 2:39 pm
SJU
-
ISP
11h 46m
1 stop
Frontier Logo
2:17 pm - 2:25 am
ISP
-
SJU
11h 08m
1 stop
$213Frontier
Wed, Feb 25 - Sat, Feb 28
Frontier Logo
5:25 pm - 2:39 pm
SJU
-
ISP
22h 14m
1 stop
Frontier Logo
8:23 pm - 2:53 am
ISP
-
SJU
29h 30m
1 stop
$216Frontier
Fri, Feb 27 - Mon, Mar 2
Frontier Logo
7:09 pm - 4:12 pm
SJU
-
ISP
22h 03m
1 stop
Frontier Logo
8:23 am - 9:54 am
ISP
-
SJU
24h 31m
1 stop
$227Frontier
Fri, Feb 27 - Mon, Mar 2
Frontier Logo
3:53 am - 11:06 am
SJU
-
ISP
8h 13m
1 stop
Frontier Logo
8:23 am - 2:53 am
ISP
-
SJU
17h 30m
1 stop
$240Frontier
Wed, Feb 25 - Sun, Mar 1
Frontier Logo
3:53 am - 7:38 am
SJU
-
ISP
28h 45m
1 stop
Frontier Logo
8:33 am - 2:53 am
ISP
-
SJU
17h 20m
1 stop
$247Frontier
Sat, Feb 14 - Wed, Feb 18
Frontier Logo
3:53 am - 7:06 pm
SJU
-
ISP
16h 13m
1 stop
Frontier Logo
2:03 pm - 2:53 am
ISP
-
SJU
11h 50m
1 stop
$250Frontier
Fri, Feb 27 - Mon, Mar 2
Frontier Logo
7:09 pm - 4:12 pm
SJU
-
ISP
22h 03m
1 stop
Frontier Logo
3:34 pm - 9:54 am
ISP
-
SJU
17h 20m
1 stop
$254Frontier
Mon, Feb 23 - Sun, Mar 1
Frontier Logo
3:53 am - 8:40 am
SJU
-
ISP
29h 47m
1 stop
Frontier Logo
8:33 am - 2:53 am
ISP
-
SJU
17h 20m
1 stop
$255Frontier
Booking Insights

KAYAK's insights & trends for San Juan to Islip flights

Get data-powered insights and trends into flights from San Juan to Islip to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from San Juan to Islip?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from San Juan to Islip were found on Frontier ($183) and JetBlue ($332).

Find deals

Good to know

Cheapest flight$87
Flight from San Juan to Islip

When to book flights from San Juan to Islip

Are your dates flexible? Find out the best times to travel from San Juan to Islip 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 San Juan to Islip flights

  • What is the cheapest flight from San Juan Luis Munoz Marin Intl Airport to Islip?

    In the last 3 days, the lowest price for a flight from San Juan Luis Munoz Marin Intl Airport to Islip was $87 for a one-way ticket and $183 for a round-trip.

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

    Yes, you'll most likely have to show a valid passport before boarding the plane in San Juan and on arrival in Islip.

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

    When flying out of San Juan you will be using San Juan Luis Munoz Marin Intl. You will be landing at Islip, also known as Islip Long Island.

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

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

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

    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 San Juan to Islip.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Islip from San Juan 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 San Juan to Islip?

    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 Islip with an airline and back to San Juan with another airline. Booking your flights between San Juan and ISP 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 San Juan to Islip?

    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 Islip from San Juan 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 San Juan to Islip

Information on your arrival and departure airports

San Juan (SJU)
Islip (ISP)