Find Cheap 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: Wed Aug 30 2017 Return: Sat Sep 9 2017 Trip spans 11 days
Southwest
Southwest
ISP
8:25a
IAD
6:15p
9h 50m
2 stops
IAD
2:35a
ISP
9:40a
7h 05m
1 stop
Depart: Sat Jun 10 2017 Return: Sun Jun 11 2017 Trip spans 2 days
American Airlines
American Airlines
ISP
9:07a
IAD
3:34p
6h 27m
2 stops
IAD
1:05a
ISP
8:41a
7h 36m
2 stops
Depart: Sat Jul 8 2017 Return: Thu Jul 13 2017 Trip spans 6 days
Southwest
Southwest
ISP
1:35a
IAD
10:10a
8h 35m
1 stop
IAD
1:05p
ISP
8:20p
7h 15m
1 stop
Depart: Sat Jun 3 2017 Return: Sun Jun 4 2017 Trip spans 2 days
American Airlines
American Airlines
ISP
9:07a
IAD
5:31p
8h 24m
2 stops
IAD
1:05a
ISP
8:41a
7h 36m
2 stops
Depart: Fri Aug 4 2017 Return: Sun Aug 6 2017 Trip spans 3 days
American Airlines
American Airlines
ISP
1:55p
IAD
7:43p
5h 48m
2 stops
IAD
1:05a
ISP
8:40a
7h 35m
2 stops
Depart: Fri Jun 9 2017 Return: Thu Jun 15 2017 Trip spans 7 days
American Airlines
American Airlines
ISP
1:55p
IAD
7:43p
5h 48m
2 stops
IAD
6:51a
ISP
1:23p
6h 32m
2 stops
Depart: Sun Jul 16 2017 Return: Sat Jul 22 2017 Trip spans 7 days
American Airlines
American Airlines
ISP
1:55p
IAD
7:43p
5h 48m
2 stops
IAD
11:20a
ISP
6:04p
6h 44m
2 stops
Depart: Fri May 26 2017 Return: Sat May 27 2017 Trip spans 2 days
American Airlines
American Airlines
ISP
2:10a
IAD
2:22p
12h 12m
2 stops
IAD
7:57a
ISP
6:02p
10h 05m
2 stops
Depart: Thu Jun 22 2017 Return: Sun Jun 25 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
1:55p
IAD
7:43p
5h 48m
2 stops
IAD
1:05a
ISP
8:41a
7h 36m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Islip
$374
Destination

Washington
$374