Find Deals on Flights from Seattle 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 from Seattle to Islip Long Island

(Round-trip)
Depart: Fri Apr 28 2017 Return: Tue May 2 2017 Trip spans 5 days
American Airlines
American Airlines
SEA
7:59p
ISP
5:35a
9h 36m
2 stops
ISP
2:10a
SEA
6:39p
16h 29m
2 stops
Depart: Tue Apr 25 2017 Return: Tue May 2 2017 Trip spans 8 days
American Airlines
American Airlines
SEA
7:59p
ISP
5:35a
9h 36m
2 stops
ISP
2:10a
SEA
6:39p
16h 29m
2 stops
Depart: Mon Apr 24 2017 Return: Tue May 2 2017 Trip spans 9 days
American Airlines
American Airlines
SEA
7:59p
ISP
5:35a
9h 36m
2 stops
ISP
2:10a
SEA
6:39p
16h 29m
2 stops
Depart: Sun Apr 23 2017 Return: Tue May 2 2017 Trip spans 10 days
American Airlines
American Airlines
SEA
7:59p
ISP
3:01p
19h 02m
2 stops
ISP
2:10a
SEA
6:39p
16h 29m
2 stops
Depart: Wed Apr 26 2017 Return: Tue May 2 2017 Trip spans 7 days
American Airlines
American Airlines
SEA
1:59p
ISP
3:01p
25h 02m
2 stops
ISP
2:10a
SEA
6:39p
16h 29m
2 stops
Depart: Thu Sep 7 2017 Return: Mon Sep 18 2017 Trip spans 12 days
American Airlines
American Airlines
SEA
2:10a
ISP
10:52a
8h 42m
1 stop
ISP
2:10a
SEA
10:06a
7h 56m
1 stop
Depart: Thu Sep 14 2017 Return: Mon Sep 25 2017 Trip spans 12 days
American Airlines
American Airlines
SEA
2:10a
ISP
10:52a
8h 42m
1 stop
ISP
9:10a
SEA
5:29p
8h 19m
1 stop
Depart: Thu Apr 27 2017 Return: Tue May 2 2017 Trip spans 6 days
American Airlines
American Airlines
SEA
3:00a
ISP
3:01p
12h 01m
2 stops
ISP
2:10a
SEA
6:39p
16h 29m
2 stops
Depart: Sat Apr 29 2017 Return: Tue May 2 2017 Trip spans 4 days
American Airlines
American Airlines
SEA
5:55a
ISP
10:19a
28h 24m
2 stops
ISP
2:10a
SEA
6:39p
16h 29m
2 stops
Depart: Thu Aug 31 2017 Return: Sat Sep 9 2017 Trip spans 10 days
American Airlines
American Airlines
SEA
7:56a
ISP
2:55p
6h 59m
1 stop
ISP
2:20p
SEA
10:40p
8h 20m
1 stop
Depart: Sat Sep 2 2017 Return: Sat Sep 16 2017 Trip spans 15 days
American Airlines
American Airlines
SEA
2:10a
ISP
10:52a
8h 42m
1 stop
ISP
9:10a
SEA
5:29p
8h 19m
1 stop
Depart: Fri Mar 24 2017 Return: Wed Mar 29 2017 Trip spans 6 days
American Airlines
American Airlines
SEA
3:10p
ISP
5:30a
14h 20m
2 stops
ISP
9:10a
SEA
8:13p
11h 03m
1 stop
Depart: Wed Jul 19 2017 Return: Wed Aug 2 2017 Trip spans 15 days
American Airlines
American Airlines
SEA
7:56a
ISP
2:55p
6h 59m
1 stop
ISP
2:20p
SEA
10:40p
8h 20m
1 stop
Depart: Thu Aug 24 2017 Return: Mon Aug 28 2017 Trip spans 5 days
American Airlines
American Airlines
SEA
2:10a
ISP
10:52a
8h 42m
1 stop
ISP
2:20p
SEA
10:40p
8h 20m
1 stop
Depart: Fri Aug 11 2017 Return: Thu Aug 17 2017 Trip spans 7 days
American Airlines
American Airlines
SEA
8:59p
ISP
5:30a
8h 31m
1 stop
ISP
2:20p
SEA
10:40p
8h 20m
1 stop
Depart: Mon Jul 24 2017 Return: Mon Jul 31 2017 Trip spans 8 days
American Airlines
American Airlines
SEA
8:59p
ISP
5:30a
8h 31m
1 stop
ISP
2:20p
SEA
10:40p
8h 20m
1 stop
Depart: Tue Jul 25 2017 Return: Mon Jul 31 2017 Trip spans 7 days
American Airlines
American Airlines
SEA
8:59p
ISP
5:30a
8h 31m
1 stop
ISP
2:20p
SEA
10:40p
8h 20m
1 stop
Depart: Fri Jul 28 2017 Return: Mon Jul 31 2017 Trip spans 4 days
American Airlines
American Airlines
SEA
8:59p
ISP
5:30a
8h 31m
1 stop
ISP
2:20p
SEA
10:40p
8h 20m
1 stop
Depart: Mon Jul 31 2017 Return: Sun Aug 6 2017 Trip spans 7 days
American Airlines
American Airlines
SEA
8:59p
ISP
5:30a
8h 31m
1 stop
ISP
2:20p
SEA
10:40p
8h 20m
1 stop
Depart: Wed Sep 6 2017 Return: Sun Sep 17 2017 Trip spans 12 days
American Airlines
American Airlines
SEA
7:56a
ISP
2:55p
6h 59m
1 stop
ISP
9:10a
SEA
5:29p
8h 19m
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,
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Airports
Origin

Seattle
$383
Destination

Islip
$383