Find Cheap Flights from Seattle to Islip Long Island (03A - ISP)

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: Tue Oct 31 2017 Return: Sat Nov 4 2017 Trip spans 5 days
Frontier
Frontier
SEA
12:00a
ISP
8:36p
20h 36m
2 stops
ISP
12:00a
SEA
1:53a
26h 53m
2 stops
Depart: Tue Nov 28 2017 Return: Sat Dec 2 2017 Trip spans 5 days
Frontier
Frontier
SEA
12:00a
ISP
7:55p
19h 55m
2 stops
ISP
12:00a
SEA
2:02a
26h 02m
2 stops
Depart: Tue Dec 5 2017 Return: Wed Dec 13 2017 Trip spans 9 days
Frontier
Frontier
SEA
12:00a
ISP
7:55p
19h 55m
2 stops
ISP
12:00a
SEA
1:49a
25h 49m
2 stops
Depart: Tue Dec 5 2017 Return: Wed Dec 13 2017 Trip spans 9 days
Frontier
Frontier
SEA
12:00a
ISP
7:55p
19h 55m
2 stops
ISP
12:00a
SEA
1:49a
25h 49m
2 stops
Depart: Tue Jan 9 2018 Return: Wed Jan 17 2018 Trip spans 9 days
Frontier
Frontier
SEA
12:00a
ISP
7:58p
19h 58m
2 stops
ISP
12:00a
SEA
1:49a
25h 49m
2 stops
Depart: Tue Mar 27 2018 Return: Wed Apr 4 2018 Trip spans 9 days
Frontier
Frontier
SEA
12:00a
ISP
8:10p
20h 10m
2 stops
ISP
12:00a
SEA
2:04a
26h 04m
2 stops
Depart: Thu Oct 19 2017 Return: Sun Oct 22 2017 Trip spans 4 days
$1074
Select
American Airlines
American Airlines
SEA
12:00a
ISP
11:15a
11h 15m
2 stops
ISP
12:00a
SEA
11:14a
11h 14m
2 stops
Depart: Thu Nov 30 2017 Return: Sat Dec 2 2017 Trip spans 3 days
Frontier
Frontier
SEA
12:00a
ISP
7:55p
19h 55m
2 stops
ISP
12:00a
SEA
2:02a
26h 02m
2 stops
Depart: Sun Apr 1 2018 Return: Wed Apr 4 2018 Trip spans 4 days
Frontier
Frontier
SEA
12:00a
ISP
8:10p
20h 10m
2 stops
ISP
12:00a
SEA
2:04a
26h 04m
2 stops
Depart: Fri Mar 30 2018 Return: Wed Apr 4 2018 Trip spans 6 days
Frontier
Frontier
SEA
12:00a
ISP
12:58a
24h 58m
2 stops
ISP
12:00a
SEA
2:04a
26h 04m
2 stops
Depart: Fri Nov 17 2017 Return: Wed Nov 29 2017 Trip spans 13 days
Frontier
Frontier
SEA
12:00a
ISP
12:40a
24h 40m
2 stops
ISP
12:00a
SEA
2:02a
26h 02m
2 stops
Depart: Thu Feb 22 2018 Return: Mon Feb 26 2018 Trip spans 5 days
Frontier
Frontier
SEA
12:00a
ISP
7:58p
19h 58m
2 stops
ISP
12:00a
SEA
1:49a
25h 49m
2 stops
Depart: Tue Dec 26 2017 Return: Sat Dec 30 2017 Trip spans 5 days
Frontier
Frontier
SEA
12:00a
ISP
7:58p
19h 58m
2 stops
ISP
12:00a
SEA
1:49a
25h 49m
2 stops
Depart: Thu Dec 21 2017 Return: Wed Dec 27 2017 Trip spans 7 days
Frontier
Frontier
SEA
12:00a
ISP
7:58p
19h 58m
2 stops
ISP
12:00a
SEA
1:49a
25h 49m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Seattle
$285
Destination

Islip
$285