Find Cheap Flights from Islip Long Island to Seattle

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 Islip Long Island to Seattle

(Round-trip)
Depart: Sat Oct 14 2017 Return: Sat Oct 28 2017 Trip spans 15 days
American Airlines
American Airlines
ISP
2:20p
SEA
10:40p
8h 20m
1 stop
SEA
7:56a
ISP
2:55p
6h 59m
1 stop
Depart: Sat Aug 26 2017 Return: Thu Aug 31 2017 Trip spans 6 days
Southwest
Southwest
ISP
4:05a
SEA
2:25p
10h 20m
1 stop
SEA
2:35a
ISP
2:40p
12h 05m
2 stops
Depart: Sat Oct 7 2017 Return: Wed Oct 11 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
2:20p
SEA
10:40p
8h 20m
1 stop
SEA
2:10a
ISP
10:52a
8h 42m
1 stop
Depart: Wed May 31 2017 Return: Fri Jun 2 2017 Trip spans 3 days
American Airlines
American Airlines
ISP
1:55p
SEA
10:58p
9h 03m
1 stop
SEA
7:55a
ISP
3:05p
7h 10m
1 stop
Depart: Sun May 28 2017 Return: Fri Jun 2 2017 Trip spans 6 days
American Airlines
American Airlines
ISP
9:07a
SEA
7:55p
10h 48m
1 stop
SEA
7:55a
ISP
3:05p
7h 10m
1 stop
Depart: Thu Aug 17 2017 Return: Wed Aug 23 2017 Trip spans 7 days
Southwest
Southwest
ISP
7:15a
SEA
8:40p
13h 25m
3 stops
SEA
2:35a
ISP
2:40p
12h 05m
2 stops
Depart: Tue May 30 2017 Return: Fri Jun 2 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
1:55p
SEA
10:58p
9h 03m
1 stop
SEA
7:55a
ISP
3:05p
7h 10m
1 stop
Depart: Sat May 27 2017 Return: Wed May 31 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
9:07a
SEA
7:55p
10h 48m
1 stop
SEA
2:00a
ISP
3:02p
13h 02m
2 stops
Depart: Tue Sep 19 2017 Return: Sat Sep 23 2017 Trip spans 5 days
Southwest
Southwest
ISP
5:15a
SEA
3:05p
9h 50m
1 stop
SEA
3:35a
ISP
2:35p
11h 00m
1 stop
Depart: Sun Sep 24 2017 Return: Sat Sep 30 2017 Trip spans 7 days
American Airlines
American Airlines
ISP
2:10a
SEA
10:06a
7h 56m
1 stop
SEA
7:56a
ISP
2:55p
6h 59m
1 stop
Depart: Sat Aug 19 2017 Return: Sun Aug 27 2017 Trip spans 9 days
Southwest
Southwest
ISP
4:05a
SEA
2:25p
10h 20m
2 stops
SEA
3:00a
ISP
4:30p
13h 30m
1 stop
Depart: Fri Sep 29 2017 Return: Sat Oct 14 2017 Trip spans 16 days
American Airlines
American Airlines
ISP
2:10a
SEA
10:06a
7h 56m
1 stop
SEA
7:56a
ISP
2:55p
6h 59m
1 stop
Depart: Fri Aug 11 2017 Return: Sat Aug 12 2017 Trip spans 2 days
Southwest
Southwest
ISP
2:05a
SEA
3:20p
13h 15m
3 stops
SEA
3:35a
ISP
4:00p
12h 25m
1 stop
Depart: Mon May 29 2017 Return: Wed Jun 7 2017 Trip spans 10 days
American Airlines
American Airlines
ISP
1:55p
SEA
10:58p
9h 03m
1 stop
SEA
7:55a
ISP
3:05p
7h 10m
1 stop
Depart: Fri Jun 2 2017 Return: Wed Jun 7 2017 Trip spans 6 days
American Airlines
American Airlines
ISP
1:55p
SEA
11:11p
9h 16m
1 stop
SEA
7:55a
ISP
3:05p
7h 10m
1 stop
Depart: Thu Jun 29 2017 Return: Wed Jul 5 2017 Trip spans 7 days
Southwest
Southwest
ISP
6:45a
SEA
7:10p
12h 25m
2 stops
SEA
2:20a
ISP
5:25p
15h 05m
3 stops
Depart: Sat Sep 2 2017 Return: Sat Sep 9 2017 Trip spans 8 days
American Airlines
American Airlines
ISP
2:20p
SEA
10:40p
8h 20m
1 stop
SEA
3:00a
ISP
2:55p
11h 55m
2 stops
Depart: Sun Jun 25 2017 Return: Wed Jun 28 2017 Trip spans 4 days
Southwest
Southwest
ISP
2:00a
SEA
2:15p
12h 15m
2 stops
SEA
4:50a
ISP
6:10p
13h 20m
2 stops
Depart: Fri May 26 2017 Return: Tue May 30 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
1:55p
SEA
10:58p
9h 03m
1 stop
SEA
7:59p
ISP
5:41a
9h 42m
2 stops
Depart: Wed Sep 6 2017 Return: Sat Sep 9 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
2:10a
SEA
10:34p
20h 24m
2 stops
SEA
1:10a
ISP
2:55p
13h 45m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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.

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Airports
Origin

Islip
$268
Destination

Seattle
$268