Find Cheap Flights from Islip Long Island to United States

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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Islip Long Island to United States

(Round-trip)
Depart: Wed May 17 2017 Return: Wed May 24 2017 Trip spans 8 days
American Airlines
American Airlines
ISP
ILM
6h 35m
1 stop
ILM
ISP
4h 07m
1 stop
Depart: Sat May 13 2017 Return: Sun May 14 2017 Trip spans 2 days
American Airlines
American Airlines
ISP
ORD
5h 01m
1 stop
ORD
ISP
4h 37m
1 stop
Depart: Tue May 23 2017 Return: Wed May 24 2017 Trip spans 2 days
American Airlines
American Airlines
ISP
MCO
5h 04m
1 stop
MCO
ISP
4h 52m
1 stop
Depart: Wed May 17 2017 Return: Sat May 20 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
CMH
5h 59m
1 stop
CMH
ISP
3h 57m
1 stop
Depart: Wed May 17 2017 Return: Sat May 20 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
DTW
4h 03m
1 stop
DTW
ISP
4h 02m
1 stop
Depart: Mon May 8 2017 Return: Wed May 10 2017 Trip spans 3 days
American Airlines
American Airlines
ISP
CHS
4h 01m
1 stop
CHS
ISP
4h 22m
1 stop
Depart: Wed May 17 2017 Return: Sat May 20 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
ATL
4h 14m
1 stop
ATL
ISP
4h 07m
1 stop
Depart: Sat Sep 16 2017 Return: Sat Sep 23 2017 Trip spans 8 days
American Airlines
American Airlines
ISP
MCO
4h 55m
1 stop
MCO
ISP
5h 30m
1 stop
Depart: Wed Sep 20 2017 Return: Sun Sep 24 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
MCO
5h 07m
1 stop
MCO
ISP
5h 30m
1 stop
Depart: Wed Oct 4 2017 Return: Tue Oct 10 2017 Trip spans 7 days
American Airlines
American Airlines
ISP
MCO
5h 07m
1 stop
MCO
ISP
5h 30m
1 stop
Depart: Sun Apr 30 2017 Return: Wed May 3 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
CHS
4h 09m
1 stop
CHS
ISP
6h 28m
1 stop
Depart: Thu May 11 2017 Return: Mon May 15 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
DTW
4h 03m
1 stop
DTW
ISP
3h 46m
1 stop
Depart: Thu May 11 2017 Return: Mon May 15 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
BUF
4h 09m
1 stop
BUF
ISP
4h 17m
1 stop
Depart: Wed May 17 2017 Return: Sun May 21 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
IND
6h 23m
1 stop
IND
ISP
7h 31m
2 stops
Depart: Sat Sep 16 2017 Return: Sat Sep 23 2017 Trip spans 8 days
American Airlines
American Airlines
ISP
MCO
4h 55m
1 stop
MCO
ISP
5h 30m
1 stop
Depart: Sat Oct 14 2017 Return: Sat Oct 21 2017 Trip spans 8 days
American Airlines
American Airlines
ISP
MCO
5h 07m
1 stop
MCO
ISP
5h 30m
1 stop
Depart: Sat May 13 2017 Return: Tue May 16 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
SFO
9h 03m
1 stop
SFO
ISP
8h 20m
1 stop
Depart: Sun Oct 29 2017 Return: Sun Nov 5 2017 Trip spans 8 days
American Airlines
American Airlines
ISP
MCO
5h 07m
1 stop
MCO
ISP
7h 15m
2 stops
Depart: Sat Sep 23 2017 Return: Sun Sep 24 2017 Trip spans 2 days
American Airlines
American Airlines
ISP
DTW
3h 38m
1 stop
DTW
ISP
4h 20m
1 stop
Depart: Tue Sep 26 2017 Return: Sun Oct 1 2017 Trip spans 6 days
American Airlines
American Airlines
ISP
DTW
3h 38m
1 stop
DTW
ISP
4h 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.

We compile tonnes of data for you
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

Islip
$243
Destination

San Francisco
$323
Charleston
$288
Detroit
$286
Chicago
$258
Atlanta
$298
Orlando
$276
Columbus
$286
Wilmington
$243
Buffalo
$306
Indianapolis
$309