Find Deals on Flights from Islip Long Island to Seattle/Tacoma Intl (ISP - SEA)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
Students
under 26
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/Tacoma Intl

(Round-trip)
Depart: Mon Jan 16 2017 Return: Thu Jan 26 2017 Trip spans 11 days
Southwest
Southwest
ISP
6:20a
SEA
2:55p
8h 35m
1 stop
SEA
8:25a
ISP
3:20p
6h 55m
1 stop
Depart: Wed Dec 14 2016 Return: Sun Dec 25 2016 Trip spans 12 days
American Airlines
American Airlines
ISP
10:20a
SEA
7:10p
8h 50m
1 stop
SEA
1:20a
ISP
11:15a
9h 55m
1 stop
Depart: Fri Jan 13 2017 Return: Sat Jan 14 2017 Trip spans 2 days
Southwest
Southwest
ISP
6:20a
SEA
2:55p
8h 35m
1 stop
SEA
7:55a
ISP
2:40p
6h 45m
1 stop
Depart: Thu Jan 26 2017 Return: Sat Jan 28 2017 Trip spans 3 days
Southwest
Southwest
ISP
6:20a
SEA
2:55p
8h 35m
1 stop
SEA
7:55a
ISP
2:40p
6h 45m
1 stop
Depart: Tue May 16 2017 Return: Sat May 20 2017 Trip spans 5 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: Wed May 24 2017 Return: Wed May 31 2017 Trip spans 8 days
American Airlines
American Airlines
ISP
9:10a
SEA
5:29p
8h 19m
1 stop
SEA
7:56a
ISP
2:55p
6h 59m
1 stop
Depart: Mon Jan 9 2017 Return: Wed Jan 11 2017 Trip spans 3 days
Southwest
Southwest
ISP
6:20a
SEA
2:55p
8h 35m
1 stop
SEA
8:25a
ISP
3:20p
6h 55m
1 stop
Depart: Wed Mar 1 2017 Return: Fri Mar 3 2017 Trip spans 3 days
Southwest
Southwest
ISP
6:20a
SEA
2:55p
8h 35m
1 stop
SEA
8:25a
ISP
3:20p
6h 55m
1 stop
Depart: Fri May 12 2017 Return: Sat May 20 2017 Trip spans 9 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: Tue Jan 17 2017 Return: Fri Jan 20 2017 Trip spans 4 days
Southwest
Southwest
ISP
6:20a
SEA
2:55p
8h 35m
1 stop
SEA
8:25a
ISP
3:20p
6h 55m
1 stop
Depart: Sat May 20 2017 Return: Mon May 29 2017 Trip spans 10 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 May 27 2017 Return: Mon May 29 2017 Trip spans 3 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: Tue Dec 13 2016 Return: Sun Dec 25 2016 Trip spans 13 days
American Airlines
American Airlines
ISP
10:20a
SEA
7:10p
8h 50m
1 stop
SEA
1:20a
ISP
11:15a
9h 55m
1 stop
Depart: Fri Apr 14 2017 Return: Mon Apr 17 2017 Trip spans 4 days
Southwest
Southwest
ISP
7:50a
SEA
3:45p
7h 55m
1 stop
SEA
9:20a
ISP
4:30p
7h 10m
1 stop
Depart: Thu Dec 15 2016 Return: Sun Dec 25 2016 Trip spans 11 days
American Airlines
American Airlines
ISP
10:20a
SEA
6:49p
8h 29m
1 stop
SEA
1:20a
ISP
11:15a
9h 55m
1 stop
Depart: Fri Dec 16 2016 Return: Sun Dec 25 2016 Trip spans 10 days
American Airlines
American Airlines
ISP
10:20a
SEA
6:49p
8h 29m
1 stop
SEA
1:20a
ISP
11:15a
9h 55m
1 stop
Depart: Sat Dec 17 2016 Return: Sun Dec 25 2016 Trip spans 9 days
American Airlines
American Airlines
ISP
10:20a
SEA
6:49p
8h 29m
1 stop
SEA
1:20a
ISP
11:15a
9h 55m
1 stop
Depart: Sun Dec 18 2016 Return: Sun Dec 25 2016 Trip spans 8 days
American Airlines
American Airlines
ISP
10:20a
SEA
6:49p
8h 29m
1 stop
SEA
1:20a
ISP
11:15a
9h 55m
1 stop
Depart: Mon Dec 19 2016 Return: Sun Dec 25 2016 Trip spans 7 days
American Airlines
American Airlines
ISP
10:20a
SEA
6:49p
8h 29m
1 stop
SEA
1:20a
ISP
11:15a
9h 55m
1 stop
Depart: Tue Jan 3 2017 Return: Tue Jan 10 2017 Trip spans 8 days
Southwest
Southwest
ISP
6:35a
SEA
2:50p
8h 15m
1 stop
SEA
8:25a
ISP
3:20p
6h 55m
1 stop
* 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
$343
Destination

Seattle
$343