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: Sat Sep 19 2015 Return: Sun Sep 20 2015 Trip spans 2 days
US Airways
US Airways
ISP
10:48a
IAD
5:22p
6h 34m
2 stops
IAD
2:55a
ISP
10:17a
7h 22m
2 stops
Depart: Mon Sep 21 2015 Return: Tue Sep 29 2015 Trip spans 9 days
US Airways
US Airways
ISP
10:48a
IAD
7:24p
8h 36m
2 stops
IAD
1:20a
ISP
7:20a
6h 00m
2 stops
Depart: Thu Sep 10 2015 Return: Thu Sep 24 2015 Trip spans 15 days
American Airlines
American Airlines
ISP
7:47a
IAD
3:08p
7h 21m
2 stops
IAD
1:20a
ISP
7:20a
6h 00m
2 stops
Depart: Wed Sep 23 2015 Return: Sun Sep 27 2015 Trip spans 5 days
American Airlines
American Airlines
ISP
10:48a
IAD
7:24p
8h 36m
2 stops
IAD
2:55a
ISP
10:17a
7h 22m
2 stops
Depart: Fri Sep 18 2015 Return: Sun Sep 20 2015 Trip spans 3 days
US Airways
US Airways
ISP
2:50p
IAD
6:33a
15h 43m
2 stops
IAD
2:55a
ISP
10:17a
7h 22m
2 stops
Depart: Thu Sep 17 2015 Return: Fri Sep 18 2015 Trip spans 2 days
American Airlines
American Airlines
ISP
10:48a
IAD
7:24p
8h 36m
2 stops
IAD
1:20a
ISP
10:17a
8h 57m
2 stops
Depart: Sat Sep 5 2015 Return: Mon Sep 7 2015 Trip spans 3 days
US Airways
US Airways
ISP
5:30a
IAD
11:46a
6h 16m
2 stops
IAD
5:20a
ISP
2:25p
9h 05m
2 stops
Depart: Thu Sep 3 2015 Return: Mon Sep 7 2015 Trip spans 5 days
American Airlines
American Airlines
ISP
3:35a
IAD
11:46a
8h 11m
2 stops
IAD
5:20a
ISP
2:25p
9h 05m
2 stops
Depart: Sat Sep 12 2015 Return: Sun Sep 13 2015 Trip spans 2 days
$2000
Select
Linear Air Taxi
Linear Air Taxi
ISP
5:00a
IAD
6:55a
1h 55m
nonstop
IAD
9:00a
ISP
10:55a
1h 55m
nonstop
Depart: Fri Sep 25 2015 Return: Mon Sep 28 2015 Trip spans 4 days
$2000
Select
Linear Air Taxi
Linear Air Taxi
ISP
8:00a
IAD
9:55a
1h 55m
nonstop
IAD
5:00p
ISP
6:55p
1h 55m
nonstop
Depart: Sun Sep 27 2015 Return: Thu Oct 1 2015 Trip spans 5 days
$2412
Select
Linear Air Taxi
Linear Air Taxi
ISP
2:00p
IAD
3:55p
1h 55m
nonstop
IAD
4:00a
ISP
5:55a
1h 55m
nonstop
Depart: Wed Sep 9 2015 Return: Thu Sep 10 2015 Trip spans 2 days
$4000
Select
Linear Air Taxi
Linear Air Taxi
ISP
5:00p
IAD
6:55p
1h 55m
nonstop
IAD
2:00a
ISP
3:55a
1h 55m
nonstop
Depart: Fri Sep 11 2015 Return: Sun Sep 13 2015 Trip spans 3 days
$4000
Select
Linear Air Taxi
Linear Air Taxi
ISP
3:00p
IAD
4:55p
1h 55m
nonstop
IAD
2:00a
ISP
3:55a
1h 55m
nonstop
Depart: Tue Sep 22 2015 Return: Thu Sep 24 2015 Trip spans 3 days
$4000
Select
Linear Air Taxi
Linear Air Taxi
ISP
7:00a
IAD
8:55a
1h 55m
nonstop
IAD
5:00a
ISP
6:55a
1h 55m
nonstop
Depart: Thu Sep 24 2015 Return: Fri Sep 25 2015 Trip spans 2 days
$4000
Select
Linear Air Taxi
Linear Air Taxi
ISP
3:00a
IAD
4:55a
1h 55m
nonstop
IAD
9:00a
ISP
10:55a
1h 55m
nonstop
Depart: Mon Oct 5 2015 Return: Wed Oct 7 2015 Trip spans 3 days
$4000
Select
Linear Air Taxi
Linear Air Taxi
ISP
12:00p
IAD
1:55p
1h 55m
nonstop
IAD
1:00p
ISP
2:55p
1h 55m
nonstop
Depart: Fri Oct 9 2015 Return: Mon Oct 12 2015 Trip spans 4 days
$4000
Select
Linear Air Taxi
Linear Air Taxi
ISP
9:00a
IAD
10:55a
1h 55m
nonstop
IAD
1:00p
ISP
2:55p
1h 55m
nonstop
Depart: Wed Oct 21 2015 Return: Sat Oct 24 2015 Trip spans 4 days
$4000
Select
Linear Air Taxi
Linear Air Taxi
ISP
11:00a
IAD
12:55p
1h 55m
nonstop
IAD
3:00a
ISP
4:55a
1h 55m
nonstop
Depart: Thu Nov 5 2015 Return: Thu Nov 12 2015 Trip spans 8 days
$4000
Select
Linear Air Taxi
Linear Air Taxi
ISP
1:00p
IAD
2:55p
1h 55m
nonstop
IAD
1:00a
ISP
2:55a
1h 55m
nonstop
Depart: Fri Sep 4 2015 Return: Sun Sep 6 2015 Trip spans 3 days
$4824
Select
Linear Air Taxi
Linear Air Taxi
ISP
3:00p
IAD
4:55p
1h 55m
nonstop
IAD
11:00a
ISP
12:55p
1h 55m
nonstop
Airports
Origin

Islip
$475
Destination

Washington
$475