Find Cheap 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
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 Seattle/Tacoma Intl

(Round-trip)
Depart: Mon Dec 4 2017 Return: Fri Dec 8 2017 Trip spans 5 days
Southwest
Southwest
ISP
12:00a
SEA
1:10p
13h 10m
2 stops
SEA
12:00a
ISP
6:55a
6h 55m
1 stop
Depart: Tue Jul 4 2017 Return: Mon Jul 10 2017 Trip spans 7 days
American Airlines
American Airlines
ISP
12:00a
SEA
9:16a
9h 16m
1 stop
SEA
12:00a
ISP
8:14a
8h 14m
1 stop
Depart: Wed Jun 28 2017 Return: Thu Jun 29 2017 Trip spans 2 days
American Airlines
American Airlines
ISP
12:00a
SEA
9:16a
9h 16m
1 stop
SEA
12:00a
ISP
7:10a
7h 10m
1 stop
Depart: Tue Jul 11 2017 Return: Wed Jul 19 2017 Trip spans 9 days
American Airlines
American Airlines
ISP
12:00a
SEA
9:16a
9h 16m
1 stop
SEA
12:00a
ISP
5:38p
17h 38m
1 stop
Depart: Fri Aug 11 2017 Return: Sun Aug 20 2017 Trip spans 10 days
Southwest
Southwest
ISP
12:00a
SEA
1:15p
13h 15m
3 stops
SEA
12:00a
ISP
11:00a
11h 00m
2 stops
Depart: Wed Jul 5 2017 Return: Mon Jul 10 2017 Trip spans 6 days
American Airlines
American Airlines
ISP
12:00a
SEA
9:16a
9h 16m
1 stop
SEA
12:00a
ISP
8:14a
8h 14m
1 stop
Depart: Fri Jul 7 2017 Return: Mon Jul 10 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
12:00a
SEA
9:16a
9h 16m
1 stop
SEA
12:00a
ISP
8:14a
8h 14m
1 stop
Depart: Tue Jul 4 2017 Return: Fri Jul 7 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
12:00a
SEA
9:16a
9h 16m
1 stop
SEA
12:00a
ISP
8:14a
8h 14m
1 stop
Depart: Tue Jul 4 2017 Return: Thu Jul 13 2017 Trip spans 10 days
American Airlines
American Airlines
ISP
12:00a
SEA
9:16a
9h 16m
1 stop
SEA
12:00a
ISP
8:14a
8h 14m
1 stop
Depart: Sun Jul 2 2017 Return: Sat Jul 8 2017 Trip spans 7 days
American Airlines
American Airlines
ISP
12:00a
SEA
9:16a
9h 16m
1 stop
SEA
12:00a
ISP
8:14a
8h 14m
1 stop
Depart: Tue Jul 4 2017 Return: Sat Jul 8 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
12:00a
SEA
9:16a
9h 16m
1 stop
SEA
12:00a
ISP
8:14a
8h 14m
1 stop
Depart: Tue Jul 4 2017 Return: Tue Jul 11 2017 Trip spans 8 days
American Airlines
American Airlines
ISP
12:00a
SEA
7:55a
7h 55m
1 stop
SEA
12:00a
ISP
7:05a
7h 05m
1 stop
Depart: Thu Jul 6 2017 Return: Mon Jul 10 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
12:00a
SEA
9:16a
9h 16m
1 stop
SEA
12:00a
ISP
8:14a
8h 14m
1 stop
Depart: Sat Jul 8 2017 Return: Mon Jul 10 2017 Trip spans 3 days
American Airlines
American Airlines
ISP
12:00a
SEA
10:54a
10h 54m
1 stop
SEA
12:00a
ISP
8:14a
8h 14m
1 stop
Depart: Wed Jul 19 2017 Return: Sat Jul 22 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
12:00a
SEA
8:56a
8h 56m
1 stop
SEA
12:00a
ISP
8:14a
8h 14m
1 stop
Depart: Sat Aug 19 2017 Return: Mon Aug 21 2017 Trip spans 3 days
American Airlines
American Airlines
ISP
12:00a
SEA
2:01p
14h 01m
1 stop
SEA
12:00a
ISP
7:53a
7h 53m
1 stop
Depart: Wed Jul 5 2017 Return: Fri Jul 7 2017 Trip spans 3 days
American Airlines
American Airlines
ISP
12:00a
SEA
9:16a
9h 16m
1 stop
SEA
12:00a
ISP
8:14a
8h 14m
1 stop
Depart: Mon Jul 10 2017 Return: Wed Jul 12 2017 Trip spans 3 days
American Airlines
American Airlines
ISP
12:00a
SEA
9:16a
9h 16m
1 stop
SEA
12:00a
ISP
8:14a
8h 14m
1 stop
Depart: Fri Aug 18 2017 Return: Mon Aug 28 2017 Trip spans 11 days
American Airlines
American Airlines
ISP
12:00a
SEA
9:16a
9h 16m
1 stop
SEA
12:00a
ISP
10:49a
10h 49m
1 stop
Depart: Fri Aug 18 2017 Return: Thu Aug 24 2017 Trip spans 7 days
American Airlines
American Airlines
ISP
12:00a
SEA
9:16a
9h 16m
1 stop
SEA
12:00a
ISP
7:06a
7h 06m
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
$583
Destination

Seattle
$583