Find Cheap 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: Sat Oct 28 2017 Return: Sat Nov 4 2017 Trip spans 8 days
American Airlines
American Airlines
SEA
12:00a
ISP
12:56p
12h 56m
2 stops
ISP
12:00a
SEA
10:50a
10h 50m
1 stop
Depart: Tue Oct 31 2017 Return: Wed Nov 8 2017 Trip spans 9 days
American Airlines
American Airlines
SEA
12:00a
ISP
11:56a
11h 56m
2 stops
ISP
12:00a
SEA
10:56a
10h 56m
1 stop
Depart: Wed Nov 1 2017 Return: Thu Nov 9 2017 Trip spans 9 days
American Airlines
American Airlines
SEA
12:00a
ISP
9:37a
9h 37m
2 stops
ISP
12:00a
SEA
10:56a
10h 56m
1 stop
Depart: Sat Nov 4 2017 Return: Sat Nov 11 2017 Trip spans 8 days
American Airlines
American Airlines
SEA
12:00a
ISP
11:56a
11h 56m
2 stops
ISP
12:00a
SEA
10:56a
10h 56m
1 stop
Depart: Tue Oct 24 2017 Return: Wed Nov 1 2017 Trip spans 9 days
American Airlines
American Airlines
SEA
12:00a
ISP
12:56p
12h 56m
2 stops
ISP
12:00a
SEA
1:18p
13h 18m
2 stops
Depart: Sat Oct 28 2017 Return: Fri Nov 3 2017 Trip spans 7 days
American Airlines
American Airlines
SEA
12:00a
ISP
12:56p
12h 56m
2 stops
ISP
12:00a
SEA
10:50a
10h 50m
1 stop
Depart: Mon Oct 30 2017 Return: Wed Nov 8 2017 Trip spans 10 days
American Airlines
American Airlines
SEA
12:00a
ISP
11:31a
11h 31m
2 stops
ISP
12:00a
SEA
10:56a
10h 56m
1 stop
Depart: Wed Nov 1 2017 Return: Fri Nov 10 2017 Trip spans 10 days
American Airlines
American Airlines
SEA
12:00a
ISP
9:37a
9h 37m
2 stops
ISP
12:00a
SEA
10:56a
10h 56m
1 stop
Depart: Sat Nov 4 2017 Return: Fri Nov 10 2017 Trip spans 7 days
American Airlines
American Airlines
SEA
12:00a
ISP
11:56a
11h 56m
2 stops
ISP
12:00a
SEA
10:56a
10h 56m
1 stop
Depart: Sat Oct 7 2017 Return: Sat Oct 14 2017 Trip spans 8 days
American Airlines
American Airlines
SEA
12:00a
ISP
11:56a
11h 56m
2 stops
ISP
12:00a
SEA
1:57p
13h 57m
2 stops
Depart: Sat Oct 14 2017 Return: Sat Oct 21 2017 Trip spans 8 days
American Airlines
American Airlines
SEA
12:00a
ISP
11:56a
11h 56m
2 stops
ISP
12:00a
SEA
12:24p
12h 24m
2 stops
Depart: Mon Oct 16 2017 Return: Wed Oct 25 2017 Trip spans 10 days
American Airlines
American Airlines
SEA
12:00a
ISP
11:31a
11h 31m
2 stops
ISP
12:00a
SEA
3:55p
15h 55m
2 stops
Depart: Sat Oct 21 2017 Return: Sat Oct 28 2017 Trip spans 8 days
American Airlines
American Airlines
SEA
12:00a
ISP
11:56a
11h 56m
2 stops
ISP
12:00a
SEA
1:02p
13h 02m
2 stops
Depart: Wed Oct 25 2017 Return: Wed Nov 1 2017 Trip spans 8 days
American Airlines
American Airlines
SEA
12:00a
ISP
9:37a
9h 37m
2 stops
ISP
12:00a
SEA
1:57p
13h 57m
2 stops
Depart: Sat Oct 14 2017 Return: Fri Oct 20 2017 Trip spans 7 days
American Airlines
American Airlines
SEA
12:00a
ISP
11:56a
11h 56m
2 stops
ISP
12:00a
SEA
2:27p
14h 27m
2 stops
Depart: Mon Oct 23 2017 Return: Wed Nov 1 2017 Trip spans 10 days
American Airlines
American Airlines
SEA
12:00a
ISP
11:31a
11h 31m
2 stops
ISP
12:00a
SEA
3:55p
15h 55m
2 stops
Depart: Wed Nov 1 2017 Return: Tue Nov 7 2017 Trip spans 7 days
American Airlines
American Airlines
SEA
12:00a
ISP
12:56p
12h 56m
2 stops
ISP
12:00a
SEA
10:56a
10h 56m
1 stop
Depart: Wed Oct 25 2017 Return: Fri Nov 3 2017 Trip spans 10 days
American Airlines
American Airlines
SEA
12:00a
ISP
9:37a
9h 37m
2 stops
ISP
12:00a
SEA
9:00a
9h 00m
1 stop
Depart: Sat Oct 7 2017 Return: Fri Oct 13 2017 Trip spans 7 days
American Airlines
American Airlines
SEA
12:00a
ISP
11:56a
11h 56m
2 stops
ISP
12:00a
SEA
2:27p
14h 27m
2 stops
Depart: Mon Oct 16 2017 Return: Tue Oct 24 2017 Trip spans 9 days
American Airlines
American Airlines
SEA
12:00a
ISP
11:31a
11h 31m
2 stops
ISP
12:00a
SEA
12:24p
12h 24m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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.

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Airports
Origin

Seattle
$368
Destination

Islip
$368