Find Deals on Flights from Washington to Islip Long Island (WAS - 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 Washington to Islip Long Island

(Round-trip)
Depart: Thu Sep 15 2016 Return: Sat Sep 17 2016 Trip spans 3 days
Depart: Wed Sep 7 2016 Return: Sat Sep 10 2016 Trip spans 4 days
Depart: Wed Aug 31 2016 Return: Sat Sep 3 2016 Trip spans 4 days
Depart: Tue Sep 13 2016 Return: Thu Sep 15 2016 Trip spans 3 days
Depart: Tue Aug 30 2016 Return: Sat Sep 3 2016 Trip spans 5 days
Depart: Sun Sep 11 2016 Return: Wed Sep 14 2016 Trip spans 4 days
Depart: Mon Sep 5 2016 Return: Tue Sep 6 2016 Trip spans 2 days
Depart: Sat Oct 29 2016 Return: Sun Oct 30 2016 Trip spans 2 days
Depart: Tue Sep 6 2016 Return: Wed Sep 7 2016 Trip spans 2 days
Depart: Mon Sep 12 2016 Return: Tue Sep 13 2016 Trip spans 2 days
Depart: Fri Aug 26 2016 Return: Tue Sep 27 2016 Trip spans 33 days
Depart: Fri Sep 16 2016 Return: Sat Sep 17 2016 Trip spans 2 days
Depart: Wed Nov 30 2016 Return: Sun Dec 4 2016 Trip spans 5 days
Depart: Wed Sep 14 2016 Return: Fri Sep 16 2016 Trip spans 3 days
Depart: Fri Sep 2 2016 Return: Sat Sep 3 2016 Trip spans 2 days
Depart: Sat Sep 17 2016 Return: Sun Sep 18 2016 Trip spans 2 days
Depart: Fri Oct 28 2016 Return: Sun Oct 30 2016 Trip spans 3 days
Depart: Thu Sep 1 2016 Return: Fri Sep 2 2016 Trip spans 2 days
Depart: Sun Sep 4 2016 Return: Tue Sep 6 2016 Trip spans 3 days
Depart: Thu Sep 8 2016 Return: Sun Sep 11 2016 Trip spans 4 days
Select an airline:  Southwest
Direct flights WAS to ISP on Southwest
Flight # Depart BWI Arrive ISP Sun Mon Tue Wed Thu Fri Sat Valid Between
645 10:25 am 11:35 am Sep 5 - Sep 5
932 10:25 am 11:35 am Sep 25 - Sep 30
932 10:25 am 11:35 am Sep 18 - Sep 23
932 10:25 am 11:35 am Sep 6 - Sep 16
932 10:25 am 11:30 am Oct 2 - Oct 28
932 10:25 am 11:35 am Aug 23 - Sep 2
3351 10:50 am 11:55 am Sep 10 - Oct 1
3351 10:50 am 11:55 am Sep 3 - Sep 3
218 12:05 pm 1:05 pm Sep 5 - Sep 5
5021 12:05 pm 1:05 pm Sep 4 - Sep 4
654 12:05 pm 1:05 pm Sep 6 - Oct 28
654 12:05 pm 1:05 pm Aug 23 - Sep 2
1721 1:50 pm 2:55 pm Sep 3 - Sep 3
2592 3:55 pm 5:00 pm Aug 23 - Oct 30
3266 4:35 pm 5:40 pm Sep 10 - Oct 1
3266 4:35 pm 5:40 pm Sep 3 - Sep 3
1439 6:25 pm 7:30 pm Sep 10 - Oct 29
2903 7:15 pm 8:25 pm Sep 6 - Sep 30
2903 7:15 pm 8:25 pm Aug 23 - Sep 2
3198 7:50 pm 8:55 pm Oct 2 - Oct 30
3198 7:50 pm 9:00 pm Sep 5 - Sep 5
1756 9:05 pm 10:20 pm Aug 27 - Oct 1
394 9:55 pm 11:00 pm Aug 23 - Nov 4
* 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.

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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

Washington
$242
Destination

Islip
$242