Find Deals on Flights from Islip Long Island to Puerto Rico

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
Students
under 26
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Islip Long Island to Puerto Rico

(Round-trip)
Depart: Sun Jan 15 2017 Return: Thu Jan 19 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
8:15a
SJU
4:59p
8h 44m
1 stop
SJU
9:10a
ISP
5:58p
8h 48m
1 stop
Depart: Tue Jan 17 2017 Return: Sat Jan 21 2017 Trip spans 5 days
Southwest
Southwest
ISP
2:50a
SJU
10:40a
7h 50m
1 stop
SJU
6:25a
ISP
3:30p
9h 05m
1 stop
Depart: Mon Jan 16 2017 Return: Thu Jan 19 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
8:15a
SJU
4:59p
8h 44m
1 stop
SJU
9:10a
ISP
5:58p
8h 48m
1 stop
Depart: Wed Jan 18 2017 Return: Thu Jan 19 2017 Trip spans 2 days
American Airlines
American Airlines
ISP
1:10a
SJU
7:14a
6h 04m
1 stop
SJU
11:20a
ISP
5:58p
6h 38m
1 stop
Depart: Thu Jan 26 2017 Return: Sat Feb 4 2017 Trip spans 10 days
Southwest
Southwest
ISP
12:50a
SJU
8:00a
7h 10m
1 stop
SJU
12:00p
ISP
6:40p
6h 40m
1 stop
Depart: Mon Jan 23 2017 Return: Thu Jan 26 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
1:10a
SJU
7:14a
6h 04m
1 stop
SJU
11:20a
ISP
5:58p
6h 38m
1 stop
Depart: Wed Mar 1 2017 Return: Wed Mar 8 2017 Trip spans 8 days
Southwest
Southwest
ISP
3:45a
SJU
11:55a
8h 10m
1 stop
SJU
12:00p
ISP
6:45p
6h 45m
1 stop
Depart: Tue Jan 24 2017 Return: Thu Jan 26 2017 Trip spans 3 days
American Airlines
American Airlines
ISP
8:15a
SJU
4:59p
8h 44m
1 stop
SJU
11:20a
ISP
5:58p
6h 38m
1 stop
Depart: Sun Jan 29 2017 Return: Fri Feb 3 2017 Trip spans 6 days
American Airlines
American Airlines
ISP
1:10a
SJU
7:14a
6h 04m
1 stop
SJU
11:20a
ISP
5:58p
6h 38m
1 stop
Depart: Fri Feb 10 2017 Return: Sun Feb 12 2017 Trip spans 3 days
Southwest
Southwest
ISP
12:50a
SJU
8:00a
7h 10m
1 stop
SJU
12:55p
ISP
7:20p
6h 25m
1 stop
Depart: Wed Feb 1 2017 Return: Tue Feb 7 2017 Trip spans 7 days
American Airlines
American Airlines
ISP
1:10a
SJU
7:14a
6h 04m
1 stop
SJU
11:20a
ISP
5:58p
6h 38m
1 stop
Depart: Sun Feb 5 2017 Return: Tue Feb 7 2017 Trip spans 3 days
American Airlines
American Airlines
ISP
1:10a
SJU
7:14a
6h 04m
1 stop
SJU
11:20a
ISP
5:58p
6h 38m
1 stop
Depart: Mon Feb 6 2017 Return: Tue Feb 7 2017 Trip spans 2 days
American Airlines
American Airlines
ISP
1:10a
SJU
7:14a
6h 04m
1 stop
SJU
11:20a
ISP
5:58p
6h 38m
1 stop
Depart: Sat Mar 4 2017 Return: Sun Mar 12 2017 Trip spans 8 days
Southwest
Southwest
ISP
7:35a
SJU
1:40p
6h 05m
1 stop
SJU
1:00p
ISP
7:40p
6h 40m
1 stop
Depart: Wed Feb 8 2017 Return: Thu Feb 16 2017 Trip spans 9 days
American Airlines
American Airlines
ISP
1:10a
SJU
7:14a
6h 04m
1 stop
SJU
11:20a
ISP
5:48p
6h 28m
1 stop
Depart: Mon Feb 13 2017 Return: Fri Feb 17 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
1:10a
SJU
7:14a
6h 04m
1 stop
SJU
11:20a
ISP
5:48p
6h 28m
1 stop
Depart: Mon Apr 10 2017 Return: Mon Apr 17 2017 Trip spans 8 days
Southwest
Southwest
ISP
2:00a
SJU
8:00a
6h 00m
1 stop
SJU
12:35p
ISP
7:30p
6h 55m
1 stop
Depart: Tue Feb 14 2017 Return: Fri Feb 17 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
1:10a
SJU
9:26a
8h 16m
1 stop
SJU
11:20a
ISP
5:48p
6h 28m
1 stop
Depart: Mon May 8 2017 Return: Sat May 13 2017 Trip spans 6 days
American Airlines
American Airlines
ISP
2:10a
SJU
10:20a
8h 10m
1 stop
SJU
9:10a
ISP
5:55p
8h 45m
1 stop
Depart: Sun Dec 25 2016 Return: Thu Dec 29 2016 Trip spans 5 days
Southwest
Southwest
ISP
10:30a
SJU
6:15p
7h 45m
1 stop
SJU
1:50a
ISP
9:10a
7h 20m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

Islip
$363
Destination

San Juan
$363