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

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 Dulles Intl

(Round-trip)
Depart: Thu Mar 2 2017 Return: Fri Mar 3 2017 Trip spans 2 days
American Airlines
American Airlines
ISP
1:10a
IAD
8:00a
6h 50m
2 stops
IAD
5:43a
ISP
12:15p
6h 32m
2 stops
Depart: Tue Mar 28 2017 Return: Sat Apr 1 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
2:10a
IAD
9:00a
6h 50m
2 stops
IAD
12:03p
ISP
5:58p
5h 55m
2 stops
Depart: Fri Apr 21 2017 Return: Sun Apr 23 2017 Trip spans 3 days
American Airlines
American Airlines
ISP
2:10a
IAD
9:07a
6h 57m
2 stops
IAD
12:06p
ISP
6:01p
5h 55m
2 stops
Depart: Sat Mar 18 2017 Return: Sun Mar 19 2017 Trip spans 2 days
American Airlines
American Airlines
ISP
9:10a
IAD
5:46p
8h 36m
2 stops
IAD
12:03p
ISP
5:58p
5h 55m
2 stops
Depart: Fri Apr 28 2017 Return: Sun Apr 30 2017 Trip spans 3 days
American Airlines
American Airlines
ISP
2:10a
IAD
9:07a
6h 57m
2 stops
IAD
6:49a
ISP
1:19p
6h 30m
2 stops
Depart: Sun Apr 2 2017 Return: Tue Apr 4 2017 Trip spans 3 days
American Airlines
American Airlines
ISP
2:10a
IAD
9:00a
6h 50m
2 stops
IAD
12:06p
ISP
6:01p
5h 55m
2 stops
Depart: Thu May 11 2017 Return: Sun May 14 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
2:10a
IAD
9:02a
6h 52m
2 stops
IAD
9:50a
ISP
6:02p
8h 12m
3 stops
Depart: Tue May 30 2017 Return: Fri Jun 2 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
2:10a
IAD
9:02a
6h 52m
2 stops
IAD
7:00a
ISP
1:52p
6h 52m
2 stops
Depart: Mon Apr 3 2017 Return: Wed Apr 5 2017 Trip spans 3 days
American Airlines
American Airlines
ISP
2:10a
IAD
9:00a
6h 50m
2 stops
IAD
6:49a
ISP
1:19p
6h 30m
2 stops
Depart: Fri May 12 2017 Return: Sun May 14 2017 Trip spans 3 days
American Airlines
American Airlines
ISP
9:07a
IAD
5:42p
8h 35m
3 stops
IAD
1:05a
ISP
8:41a
7h 36m
2 stops
Depart: Fri Apr 14 2017 Return: Sat Apr 15 2017 Trip spans 2 days
American Airlines
American Airlines
ISP
2:10a
IAD
9:07a
6h 57m
2 stops
IAD
1:05a
ISP
8:35a
7h 30m
2 stops
Depart: Fri Apr 7 2017 Return: Sun Apr 9 2017 Trip spans 3 days
American Airlines
American Airlines
ISP
2:10a
IAD
9:07a
6h 57m
2 stops
IAD
1:05a
ISP
8:35a
7h 30m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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
$341
Destination

Washington
$341