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

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youth
12-17
Child
2-11
Seat Infant
under 2
Lap Infant
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 Sep 16 2015 Return: Fri Sep 18 2015 Trip spans 3 days
American Airlines
American Airlines
ISP
3:25a
IAD
1:15p
9h 50m
2 stops
IAD
1:20a
ISP
7:20a
6h 00m
2 stops
Depart: Fri Sep 18 2015 Return: Sun Sep 20 2015 Trip spans 3 days
US Airways
US Airways
ISP
10:48a
IAD
7:24p
8h 36m
2 stops
IAD
2:55a
ISP
10:17a
7h 22m
2 stops
Depart: Tue Aug 18 2015 Return: Wed Aug 19 2015 Trip spans 2 days
American Airlines
American Airlines
ISP
3:35a
IAD
11:46a
8h 11m
2 stops
IAD
9:45a
ISP
5:25p
7h 40m
2 stops
Depart: Sun Aug 9 2015 Return: Mon Aug 10 2015 Trip spans 2 days
American Airlines
American Airlines
ISP
3:35a
IAD
1:16p
9h 41m
2 stops
IAD
7:05a
ISP
5:25p
10h 20m
2 stops
Depart: Sat Aug 8 2015 Return: Tue Aug 11 2015 Trip spans 4 days
$2000
Select
Linear Air Taxi
Linear Air Taxi
ISP
2:00a
IAD
3:55a
1h 55m
nonstop
IAD
2:00a
ISP
3:55a
1h 55m
nonstop
Depart: Thu Sep 3 2015 Return: Tue Sep 8 2015 Trip spans 6 days
$2000
Select
Linear Air Taxi
Linear Air Taxi
ISP
5:00p
IAD
6:55p
1h 55m
nonstop
IAD
12:00p
ISP
1:55p
1h 55m
nonstop
Depart: Fri Aug 7 2015 Return: Tue Aug 11 2015 Trip spans 5 days
$2665
Select
Linear Air Taxi
Linear Air Taxi
ISP
5:00a
IAD
6:51a
1h 51m
nonstop
IAD
5:00a
ISP
6:51a
1h 51m
nonstop
Depart: Thu Aug 20 2015 Return: Sat Aug 22 2015 Trip spans 3 days
$2665
Select
Linear Air Taxi
Linear Air Taxi
ISP
4:00a
IAD
5:51a
1h 51m
nonstop
IAD
11:00a
ISP
12:51p
1h 51m
nonstop
Depart: Wed Aug 5 2015 Return: Thu Aug 6 2015 Trip spans 2 days
$4000
Select
Linear Air Taxi
Linear Air Taxi
ISP
4:00p
IAD
5:55p
1h 55m
nonstop
IAD
2:00p
ISP
3:55p
1h 55m
nonstop
Depart: Tue Aug 11 2015 Return: Fri Aug 14 2015 Trip spans 4 days
$4000
Select
Linear Air Taxi
Linear Air Taxi
ISP
5:00p
IAD
6:55p
1h 55m
nonstop
IAD
3:00a
ISP
4:55a
1h 55m
nonstop
Depart: Wed Aug 12 2015 Return: Fri Aug 14 2015 Trip spans 3 days
$4000
Select
Linear Air Taxi
Linear Air Taxi
ISP
6:00a
IAD
7:55a
1h 55m
nonstop
IAD
2:00p
ISP
3:55p
1h 55m
nonstop
Depart: Sat Sep 19 2015 Return: Sun Sep 20 2015 Trip spans 2 days
$4000
Select
Linear Air Taxi
Linear Air Taxi
ISP
6:00a
IAD
7:55a
1h 55m
nonstop
IAD
10:00a
ISP
11:55a
1h 55m
nonstop
Depart: Fri Sep 25 2015 Return: Mon Sep 28 2015 Trip spans 4 days
$4000
Select
Linear Air Taxi
Linear Air Taxi
ISP
6:00a
IAD
7:55a
1h 55m
nonstop
IAD
12:00p
ISP
1:55p
1h 55m
nonstop
Depart: Wed Oct 21 2015 Return: Sun Nov 1 2015 Trip spans 12 days
$4000
Select
Linear Air Taxi
Linear Air Taxi
ISP
4:00a
IAD
5:55a
1h 55m
nonstop
IAD
8:00a
ISP
9:55a
1h 55m
nonstop
Depart: Sun Aug 23 2015 Return: Sat Aug 29 2015 Trip spans 7 days
$5329
Select
Linear Air Taxi
Linear Air Taxi
ISP
3:00p
IAD
4:51p
1h 51m
nonstop
IAD
3:00a
ISP
4:51a
1h 51m
nonstop
Depart: Fri Sep 4 2015 Return: Sat Sep 5 2015 Trip spans 2 days
$5329
Select
Linear Air Taxi
Linear Air Taxi
ISP
8:00a
IAD
9:51a
1h 51m
nonstop
IAD
2:00p
ISP
3:51p
1h 51m
nonstop
Airports
Origin

Islip
$507
Destination

Washington
$507