Find Deals on Flights from Islip Long Island to Washington (ISP - WAS)

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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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Islip Long Island to Washington

(Round-trip)
Depart: Mon Oct 5 2015 Return: Sun Oct 18 2015 Trip spans 14 days
American Airlines
American Airlines
ISP
2:50p
DCA
6:18p
3h 28m
1 stop
DCA
2:00a
ISP
7:20a
5h 20m
1 stop
Depart: Sat Sep 19 2015 Return: Tue Sep 22 2015 Trip spans 4 days
US Airways
US Airways
ISP
10:48a
DCA
3:20p
4h 32m
1 stop
DCA
3:35a
ISP
7:20a
3h 45m
1 stop
Depart: Wed Sep 9 2015 Return: Sat Sep 19 2015 Trip spans 11 days
American Airlines
American Airlines
ISP
2:50p
DCA
7:40p
4h 50m
1 stop
DCA
5:45a
ISP
10:17a
4h 32m
1 stop
Depart: Sat Sep 12 2015 Return: Sat Sep 19 2015 Trip spans 8 days
American Airlines
American Airlines
ISP
10:48a
DCA
3:20p
4h 32m
1 stop
DCA
5:45a
ISP
10:17a
4h 32m
1 stop
Depart: Mon Sep 28 2015 Return: Mon Oct 5 2015 Trip spans 8 days
American Airlines
American Airlines
ISP
2:50p
DCA
6:18p
3h 28m
1 stop
DCA
5:59a
ISP
10:17a
4h 18m
1 stop
Depart: Tue Oct 6 2015 Return: Sun Oct 18 2015 Trip spans 13 days
American Airlines
American Airlines
ISP
2:50p
DCA
6:18p
3h 28m
1 stop
DCA
2:00a
ISP
7:20a
5h 20m
1 stop
Depart: Tue Sep 15 2015 Return: Sat Sep 19 2015 Trip spans 5 days
American Airlines
American Airlines
ISP
2:50p
DCA
7:40p
4h 50m
1 stop
DCA
5:45a
ISP
10:17a
4h 32m
1 stop
Depart: Wed Sep 16 2015 Return: Sat Sep 19 2015 Trip spans 4 days
American Airlines
American Airlines
ISP
2:50p
DCA
7:40p
4h 50m
1 stop
DCA
5:45a
ISP
10:17a
4h 32m
1 stop
Depart: Tue Sep 22 2015 Return: Sat Sep 26 2015 Trip spans 5 days
American Airlines
American Airlines
ISP
2:50p
DCA
7:40p
4h 50m
1 stop
DCA
5:45a
ISP
10:17a
4h 32m
1 stop
Depart: Wed Sep 23 2015 Return: Sat Sep 26 2015 Trip spans 4 days
American Airlines
American Airlines
ISP
2:50p
DCA
7:40p
4h 50m
1 stop
DCA
5:45a
ISP
10:17a
4h 32m
1 stop
Depart: Wed Sep 30 2015 Return: Sat Oct 3 2015 Trip spans 4 days
American Airlines
American Airlines
ISP
2:50p
DCA
6:18p
3h 28m
1 stop
DCA
5:45a
ISP
10:17a
4h 32m
1 stop
Depart: Fri Oct 2 2015 Return: Mon Oct 5 2015 Trip spans 4 days
American Airlines
American Airlines
ISP
2:50p
DCA
7:40p
4h 50m
1 stop
DCA
5:59a
ISP
10:17a
4h 18m
1 stop
Depart: Thu Nov 5 2015 Return: Thu Nov 12 2015 Trip spans 8 days
American Airlines
American Airlines
ISP
1:25p
DCA
5:08p
3h 43m
1 stop
DCA
4:51a
ISP
9:17a
4h 26m
1 stop
Depart: Mon Nov 9 2015 Return: Fri Nov 13 2015 Trip spans 5 days
American Airlines
American Airlines
ISP
1:25p
DCA
6:44p
5h 19m
1 stop
DCA
12:52a
ISP
6:28a
5h 36m
1 stop
Depart: Fri Sep 11 2015 Return: Sat Sep 19 2015 Trip spans 9 days
American Airlines
American Airlines
ISP
2:50p
DCA
7:40p
4h 50m
1 stop
DCA
5:45a
ISP
10:17a
4h 32m
1 stop
Depart: Sun Oct 4 2015 Return: Sun Oct 18 2015 Trip spans 15 days
American Airlines
American Airlines
ISP
3:25a
DCA
6:55a
3h 30m
1 stop
DCA
2:00a
ISP
7:20a
5h 20m
1 stop
Depart: Wed Oct 7 2015 Return: Sun Oct 18 2015 Trip spans 12 days
American Airlines
American Airlines
ISP
2:50p
DCA
7:40p
4h 50m
1 stop
DCA
2:00a
ISP
7:20a
5h 20m
1 stop
Depart: Fri Oct 16 2015 Return: Sun Oct 18 2015 Trip spans 3 days
American Airlines
American Airlines
ISP
2:50p
DCA
7:40p
4h 50m
1 stop
DCA
2:00a
ISP
7:20a
5h 20m
1 stop
Depart: Sat Sep 5 2015 Return: Sat Sep 19 2015 Trip spans 15 days
American Airlines
American Airlines
ISP
10:47a
DCA
2:37p
3h 50m
1 stop
DCA
5:45a
ISP
10:17a
4h 32m
1 stop
Depart: Wed Nov 25 2015 Return: Fri Nov 27 2015 Trip spans 3 days
$1334
Select
Linear Air Taxi
Linear Air Taxi
ISP
4:00p
IAD
5:55p
1h 55m
nonstop
IAD
3:00a
ISP
4:55a
1h 55m
nonstop
Select an airline:  Southwest
Direct flights ISP to WAS on Southwest
Flight # Depart ISP Arrive BWI Sun Mon Tue Wed Thu Fri Sat Valid Between
3325 6:00 am 7:25 am Oct 3 - Oct 24
3325 6:00 am 7:20 am Sep 12 - Sep 26
3209 6:10 am 7:35 am Sep 27 - Oct 2
3209 6:10 am 7:35 am Oct 4 - Oct 9
3209 6:15 am 7:35 am Sep 8 - Sep 25
2840 8:15 am 9:30 am Sep 8 - Sep 10
2840 8:15 am 9:30 am Sep 11 - Sep 25
2840 8:15 am 9:30 am Sep 27 - Oct 30
1800 11:00 am 12:10 pm Sep 8 - Sep 10
1800 11:00 am 12:10 pm Sep 11 - Sep 25
1800 11:00 am 12:10 pm Sep 27 - Oct 30
1185 1:10 pm 2:20 pm Sep 12 - Sep 26
1201 1:10 pm 2:20 pm Oct 3 - Oct 24
1397 2:20 pm 3:30 pm Sep 12 - Sep 26
1414 2:20 pm 3:30 pm Oct 3 - Oct 24
838 2:50 pm 4:00 pm Sep 8 - Oct 30
3405 6:00 pm 7:10 pm Sep 12 - Sep 26
3405 6:00 pm 7:10 pm Oct 3 - Oct 24
863 6:25 pm 7:35 pm Sep 27 - Oct 2
863 6:25 pm 7:35 pm Sep 7 - Sep 25
863 6:25 pm 7:35 pm Oct 4 - Oct 30
Airports
Origin

Islip
$204
Destination

Washington
only $1334
only $204