Find Deals on Flights from Washington Dulles Intl to Islip Long Island (IAD - ISP)

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 Washington Dulles Intl to Islip Long Island

(Round-trip)
Depart: Tue Dec 13 2016 Return: Thu Dec 15 2016 Trip spans 3 days
American Airlines
American Airlines
IAD
12:07a
ISP
6:22a
6h 15m
2 stops
ISP
2:05a
IAD
10:33a
8h 28m
2 stops
Depart: Thu Dec 15 2016 Return: Sun Dec 18 2016 Trip spans 4 days
American Airlines
American Airlines
IAD
12:07a
ISP
6:22a
6h 15m
2 stops
ISP
10:20a
IAD
4:40p
6h 20m
2 stops
Depart: Thu Dec 22 2016 Return: Fri Jan 6 2017 Trip spans 16 days
American Airlines
American Airlines
IAD
5:46a
ISP
4:59p
11h 13m
2 stops
ISP
2:05a
IAD
12:17p
10h 12m
2 stops
Depart: Mon Jan 23 2017 Return: Tue Jan 24 2017 Trip spans 2 days
American Airlines
American Airlines
IAD
5:43a
ISP
12:15p
6h 32m
2 stops
ISP
1:10a
IAD
8:05a
6h 55m
2 stops
Depart: Wed Jan 4 2017 Return: Fri Jan 6 2017 Trip spans 3 days
American Airlines
American Airlines
IAD
8:45a
ISP
4:59p
8h 14m
2 stops
ISP
2:05a
IAD
12:17p
10h 12m
2 stops
Depart: Fri Dec 23 2016 Return: Sat Dec 24 2016 Trip spans 2 days
American Airlines
American Airlines
IAD
2:00a
ISP
9:53a
7h 53m
2 stops
ISP
2:45a
IAD
10:33a
7h 48m
2 stops
* 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.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

Washington
$261
Destination

Islip
$261