Find Cheap 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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Book cheap flights to Islip Long Island

(Round-trip)
Depart: Wed Oct 4 2017 Return: Tue Oct 10 2017 Trip spans 7 days
American Airlines
American Airlines
DCA
ISP
5h 53m
1 stop
ISP
DCA
3h 15m
1 stop
Depart: Tue Oct 10 2017 Return: Sat Oct 14 2017 Trip spans 5 days
Southwest
Southwest
ATL
ISP
5h 50m
1 stop
ISP
ATL
3h 55m
1 stop
Depart: Sat Sep 30 2017 Return: Mon Oct 2 2017 Trip spans 3 days
American Airlines
American Airlines
CMH
ISP
4h 03m
1 stop
ISP
CMH
3h 51m
1 stop
Depart: Fri Oct 6 2017 Return: Tue Oct 10 2017 Trip spans 5 days
Southwest
Southwest
FLL
ISP
2h 45m
nonstop
ISP
FLL
2h 55m
nonstop
Depart: Wed Jul 5 2017 Return: Sat Jul 8 2017 Trip spans 4 days
American Airlines
American Airlines
CLT
ISP
5h 29m
1 stop
ISP
CLT
4h 16m
1 stop
Depart: Fri Sep 22 2017 Return: Wed Oct 4 2017 Trip spans 13 days
Southwest
Southwest
FLL
ISP
2h 50m
nonstop
ISP
FLL
2h 55m
nonstop
Depart: Sat Sep 2 2017 Return: Sat Sep 9 2017 Trip spans 8 days
American Airlines
American Airlines
ATL
ISP
10h 04m
2 stops
ISP
ATL
4h 44m
1 stop
Depart: Fri Aug 25 2017 Return: Fri Sep 1 2017 Trip spans 8 days
Southwest
Southwest
FLL
ISP
2h 50m
nonstop
ISP
FLL
3h 00m
nonstop
Depart: Sun Dec 24 2017 Return: Sat Jan 6 2018 Trip spans 14 days
American Airlines
American Airlines
CLT
ISP
3h 22m
1 stop
ISP
CLT
3h 40m
1 stop
Depart: Sat Sep 30 2017 Return: Tue Oct 3 2017 Trip spans 4 days
Southwest
Southwest
BUF
ISP
5h 45m
1 stop
ISP
BUF
4h 30m
1 stop
Depart: Mon Oct 2 2017 Return: Wed Oct 4 2017 Trip spans 3 days
Southwest
Southwest
BUF
ISP
5h 55m
1 stop
ISP
BUF
4h 30m
1 stop
Depart: Thu Oct 19 2017 Return: Sun Oct 22 2017 Trip spans 4 days
American Airlines
American Airlines
CVG
ISP
4h 00m
1 stop
ISP
CVG
4h 11m
1 stop
Depart: Wed Sep 27 2017 Return: Sat Sep 30 2017 Trip spans 4 days
Southwest
Southwest
BUF
ISP
5h 55m
1 stop
ISP
BUF
5h 30m
1 stop
Depart: Sat Sep 2 2017 Return: Mon Sep 4 2017 Trip spans 3 days
American Airlines
American Airlines
CLE
ISP
3h 53m
1 stop
ISP
CLE
3h 59m
1 stop
Depart: Sat Oct 7 2017 Return: Mon Oct 9 2017 Trip spans 3 days
American Airlines
American Airlines
BUF
ISP
4h 11m
1 stop
ISP
BUF
3h 39m
1 stop
Depart: Tue Jul 25 2017 Return: Wed Aug 2 2017 Trip spans 9 days
Southwest
Southwest
FLL
ISP
2h 50m
nonstop
ISP
FLL
2h 55m
nonstop
Depart: Tue Aug 22 2017 Return: Thu Aug 24 2017 Trip spans 3 days
Southwest
Southwest
FLL
ISP
2h 50m
nonstop
ISP
FLL
3h 00m
nonstop
Depart: Mon Dec 25 2017 Return: Wed Jan 10 2018 Trip spans 17 days
American Airlines
American Airlines
DCA
ISP
4h 06m
1 stop
ISP
DCA
3h 15m
1 stop
Depart: Wed Aug 30 2017 Return: Sat Sep 2 2017 Trip spans 4 days
American Airlines
American Airlines
CLT
ISP
4h 24m
1 stop
ISP
CLT
4h 04m
1 stop
Depart: Mon Aug 7 2017 Return: Mon Aug 14 2017 Trip spans 8 days
Southwest
Southwest
FLL
ISP
2h 50m
nonstop
ISP
FLL
6h 05m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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
$295
Atlanta
$269
Fort Lauderdale
$289
Columbus
$286
Cincinnati
$324
Cleveland
$325
Washington
$240
Buffalo
$318
Destination

Islip
$240