Find Deals on International Flights to Islip Long Island

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from worldwide to Islip Long Island

(Round-trip)
Depart: Tue Mar 21 2017 Return: Wed Mar 22 2017 Trip spans 2 days
American Airlines
American Airlines
ORD
ISP
4h 15m
1 stop
ISP
ORD
5h 59m
1 stop
Depart: Tue May 23 2017 Return: Thu Jun 1 2017 Trip spans 10 days
American Airlines
American Airlines
IND
ISP
4h 47m
1 stop
ISP
IND
4h 16m
1 stop
Depart: Tue Mar 21 2017 Return: Sat Mar 25 2017 Trip spans 5 days
American Airlines
American Airlines
ATL
ISP
6h 33m
1 stop
ISP
ATL
4h 22m
1 stop
Depart: Tue Mar 21 2017 Return: Mon Mar 27 2017 Trip spans 7 days
American Airlines
American Airlines
ORD
ISP
4h 15m
1 stop
ISP
ORD
4h 32m
1 stop
Depart: Wed May 10 2017 Return: Wed May 17 2017 Trip spans 8 days
American Airlines
American Airlines
TPA
ISP
4h 52m
1 stop
ISP
TPA
7h 23m
1 stop
Depart: Sat Mar 18 2017 Return: Sat Mar 25 2017 Trip spans 8 days
American Airlines
American Airlines
IND
ISP
4h 15m
1 stop
ISP
IND
4h 19m
1 stop
Depart: Sat Feb 25 2017 Return: Tue Mar 21 2017 Trip spans 24 days
American Airlines
American Airlines
ORD
ISP
4h 25m
1 stop
ISP
ORD
4h 32m
1 stop
Depart: Fri Mar 3 2017 Return: Mon Mar 6 2017 Trip spans 4 days
American Airlines
American Airlines
CLT
ISP
5h 28m
1 stop
ISP
CLT
3h 59m
1 stop
Depart: Sat May 20 2017 Return: Mon May 22 2017 Trip spans 3 days
American Airlines
American Airlines
CLT
ISP
5h 27m
1 stop
ISP
CLT
3h 39m
1 stop
Depart: Sat Apr 22 2017 Return: Tue May 2 2017 Trip spans 11 days
American Airlines
American Airlines
PHF
ISP
4h 00m
1 stop
ISP
PHF
4h 14m
1 stop
Depart: Tue May 9 2017 Return: Tue May 16 2017 Trip spans 8 days
American Airlines
American Airlines
IAH
ISP
5h 46m
1 stop
ISP
IAH
6h 36m
1 stop
Depart: Tue May 9 2017 Return: Tue May 16 2017 Trip spans 8 days
American Airlines
American Airlines
HOU
ISP
5h 46m
1 stop
ISP
HOU
6h 36m
1 stop
Depart: Wed Mar 15 2017 Return: Sun Mar 19 2017 Trip spans 5 days
American Airlines
American Airlines
TPA
ISP
8h 08m
2 stops
ISP
TPA
5h 11m
1 stop
Depart: Tue Apr 18 2017 Return: Mon Apr 24 2017 Trip spans 7 days
American Airlines
American Airlines
ORD
ISP
4h 11m
1 stop
ISP
ORD
4h 32m
1 stop
Depart: Tue Apr 25 2017 Return: Sat May 6 2017 Trip spans 12 days
American Airlines
American Airlines
IAH
ISP
5h 40m
1 stop
ISP
IAH
9h 34m
2 stops
Depart: Tue Apr 25 2017 Return: Sat May 6 2017 Trip spans 12 days
American Airlines
American Airlines
HOU
ISP
5h 40m
1 stop
ISP
HOU
9h 34m
2 stops
Depart: Mon May 22 2017 Return: Wed Jun 14 2017 Trip spans 24 days
American Airlines
American Airlines
PHF
ISP
4h 02m
1 stop
ISP
PHF
3h 30m
1 stop
Depart: Sat Jun 10 2017 Return: Mon Jun 12 2017 Trip spans 3 days
American Airlines
American Airlines
PHF
ISP
4h 20m
1 stop
ISP
PHF
3h 30m
1 stop
Depart: Sat Apr 22 2017 Return: Sat May 6 2017 Trip spans 15 days
American Airlines
American Airlines
PIT
ISP
4h 00m
1 stop
ISP
PIT
3h 51m
1 stop
Depart: Sat Apr 22 2017 Return: Mon Apr 24 2017 Trip spans 3 days
American Airlines
American Airlines
DFW
ISP
5h 35m
1 stop
ISP
DFW
6h 15m
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,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Charlotte
$255
Newport News
$258
Chicago
$150
Atlanta
$224
Dallas
$275
Tampa
$234
Houston
only $260
only $260
Indianapolis
$170
Pittsburgh
$275
Destination

Islip
$150