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
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 Feb 21 2017 Return: Thu Mar 2 2017 Trip spans 10 days
American Airlines
American Airlines
IAD
5:43a
ISP
12:15p
6h 32m
2 stops
ISP
1:10a
IAD
8:00a
6h 50m
2 stops
Depart: Wed Feb 22 2017 Return: Thu Feb 23 2017 Trip spans 2 days
Major Airline
Major Airline
IAD
8:44a
ISP
4:48p
8h 04m
2 stops
ISP
1:10a
IAD
8:00a
6h 50m
2 stops
Depart: Tue Feb 28 2017 Return: Wed Mar 1 2017 Trip spans 2 days
American Airlines
American Airlines
IAD
5:43a
ISP
12:15p
6h 32m
2 stops
ISP
1:10a
IAD
8:00a
6h 50m
2 stops
Depart: Fri Mar 10 2017 Return: Mon Mar 13 2017 Trip spans 3 days
American Airlines
American Airlines
IAD
12:05a
ISP
7:30a
7h 25m
2 stops
ISP
9:10a
IAD
7:44p
10h 34m
2 stops
Depart: Mon Apr 3 2017 Return: Thu Apr 6 2017 Trip spans 4 days
American Airlines
American Airlines
IAD
12:03p
ISP
5:58p
5h 55m
2 stops
ISP
2:10a
IAD
9:07a
6h 57m
2 stops
Depart: Sat Jul 15 2017 Return: Sat Jul 22 2017 Trip spans 8 days
American Airlines
American Airlines
IAD
1:20a
ISP
8:30a
7h 10m
2 stops
ISP
2:10a
IAD
9:01a
6h 51m
2 stops
Depart: Thu Mar 23 2017 Return: Mon Mar 27 2017 Trip spans 5 days
American Airlines
American Airlines
IAD
6:43a
ISP
1:15p
6h 32m
2 stops
ISP
9:10a
IAD
3:26p
6h 16m
2 stops
Depart: Fri Mar 31 2017 Return: Sat Apr 1 2017 Trip spans 2 days
American Airlines
American Airlines
IAD
6:43a
ISP
1:15p
6h 32m
2 stops
ISP
9:10a
IAD
5:46p
8h 36m
2 stops
Depart: Sat Apr 8 2017 Return: Tue Apr 11 2017 Trip spans 4 days
American Airlines
American Airlines
IAD
9:49a
ISP
6:01p
8h 12m
2 stops
ISP
2:10a
IAD
9:07a
6h 57m
2 stops
Depart: Fri Mar 24 2017 Return: Sun Mar 26 2017 Trip spans 3 days
American Airlines
American Airlines
IAD
6:43a
ISP
1:15p
6h 32m
2 stops
ISP
2:10a
IAD
9:00a
6h 50m
2 stops
Depart: Fri Feb 24 2017 Return: Mon Feb 27 2017 Trip spans 4 days
American Airlines
American Airlines
IAD
5:43a
ISP
12:15p
6h 32m
2 stops
ISP
8:10a
IAD
2:26p
6h 16m
2 stops
Depart: Thu Aug 3 2017 Return: Sun Aug 6 2017 Trip spans 4 days
American Airlines
American Airlines
IAD
7:00a
ISP
1:52p
6h 52m
2 stops
ISP
2:10a
IAD
9:01a
6h 51m
2 stops
Depart: Mon Feb 27 2017 Return: Wed Mar 1 2017 Trip spans 3 days
American Airlines
American Airlines
IAD
5:43a
ISP
12:15p
6h 32m
2 stops
ISP
1:10a
IAD
8:00a
6h 50m
2 stops
Depart: Thu Jul 13 2017 Return: Mon Jul 17 2017 Trip spans 5 days
American Airlines
American Airlines
IAD
7:00a
ISP
1:52p
6h 52m
2 stops
ISP
2:10a
IAD
9:01a
6h 51m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Washington
$255
Destination

Islip
$255