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

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 Washington

(Round-trip)
Depart: Tue Sep 27 2016 Return: Tue Oct 4 2016 Trip spans 8 days
Depart: Sat Sep 10 2016 Return: Tue Sep 13 2016 Trip spans 4 days
Depart: Sat Oct 1 2016 Return: Tue Oct 4 2016 Trip spans 4 days
Depart: Sat Sep 17 2016 Return: Sun Sep 18 2016 Trip spans 2 days
Depart: Wed Sep 7 2016 Return: Sun Sep 11 2016 Trip spans 5 days
Depart: Sat Oct 29 2016 Return: Sun Oct 30 2016 Trip spans 2 days
Depart: Fri Sep 16 2016 Return: Tue Sep 20 2016 Trip spans 5 days
Depart: Mon Sep 19 2016 Return: Sun Sep 25 2016 Trip spans 7 days
Depart: Tue Sep 20 2016 Return: Sun Sep 25 2016 Trip spans 6 days
Depart: Thu Sep 22 2016 Return: Sun Sep 25 2016 Trip spans 4 days
Depart: Sat Sep 24 2016 Return: Wed Sep 28 2016 Trip spans 5 days
Depart: Sat Oct 15 2016 Return: Sun Oct 16 2016 Trip spans 2 days
Depart: Fri Sep 2 2016 Return: Sun Sep 11 2016 Trip spans 10 days
Depart: Sat Sep 3 2016 Return: Sun Sep 11 2016 Trip spans 9 days
Depart: Thu Sep 8 2016 Return: Sun Sep 11 2016 Trip spans 4 days
Depart: Fri Sep 9 2016 Return: Sun Sep 11 2016 Trip spans 3 days
Depart: Sun Sep 11 2016 Return: Tue Sep 13 2016 Trip spans 3 days
Depart: Mon Sep 12 2016 Return: Tue Sep 20 2016 Trip spans 9 days
Depart: Tue Sep 13 2016 Return: Tue Sep 20 2016 Trip spans 8 days
Depart: Thu Sep 15 2016 Return: Tue Sep 20 2016 Trip spans 6 days
Select an airline:  Southwest
Direct flights ISP to WAS on Southwest
Flight # Depart ISP Arrive BWI Sun Mon Tue Wed Thu Fri Sat Valid Between
1074 6:00 am 7:15 am Sep 10 - Oct 1
1302 6:00 am 7:15 am Sep 3 - Sep 3
3649 6:05 am 7:20 am Sep 5 - Sep 30
3649 6:05 am 7:25 am Oct 2 - Oct 30
5467 6:15 am 7:20 am Sep 4 - Sep 4
181 7:35 am 9:00 am Oct 2 - Oct 30
4073 7:35 am 8:55 am Sep 11 - Sep 25
2777 7:45 am 9:00 am Oct 3 - Oct 28
2777 7:45 am 8:55 am Sep 6 - Sep 30
5335 10:35 am 11:55 am Sep 4 - Sep 4
1795 11:15 am 12:25 pm Sep 5 - Sep 5
1795 11:15 am 12:25 pm Sep 6 - Oct 28
1094 11:20 am 12:30 pm Sep 10 - Nov 5
3641 12:45 pm 1:55 pm Sep 3 - Sep 3
657 1:40 pm 2:50 pm Oct 2 - Oct 30
657 1:40 pm 2:50 pm Sep 25 - Sep 30
657 1:40 pm 2:50 pm Aug 28 - Sep 23
1739 2:40 pm 3:50 pm Sep 3 - Sep 3
846 3:30 pm 4:40 pm Sep 10 - Sep 17
846 3:30 pm 4:40 pm Oct 1 - Oct 1
846 3:30 pm 4:40 pm Sep 24 - Sep 24
3054 5:05 pm 6:15 pm Sep 10 - Oct 1
2593 5:30 pm 6:40 pm Sep 6 - Sep 9
2593 5:30 pm 6:40 pm Sep 11 - Sep 16
2593 5:30 pm 6:40 pm Sep 18 - Sep 30
2593 5:30 pm 6:40 pm Oct 2 - Oct 14
2593 5:30 pm 6:40 pm Sep 5 - Sep 5
5326 5:30 pm 6:40 pm Sep 4 - Sep 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

Islip
$208
Destination

Washington
$208