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

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

Book cheap flights from Washington to Islip Long Island

(Round-trip)
Depart: Mon Mar 30 2015 Return: Tue Mar 31 2015 Trip spans 2 days
US Airways
US Airways
DCA
6:10a
ISP
10:27a
4h 17m
1 stop
ISP
10:52a
DCA
4:57p
6h 05m
1 stop
Depart: Sat Mar 7 2015 Return: Sun Mar 8 2015 Trip spans 1 days
US Airways
US Airways
DCA
2:40a
ISP
5:28a
2h 48m
1 stop
ISP
3:40a
DCA
7:18a
3h 38m
1 stop
Depart: Mon Feb 9 2015 Return: Thu Feb 12 2015 Trip spans 4 days
US Airways
US Airways
DCA
4:59a
ISP
9:27a
4h 28m
1 stop
ISP
2:30a
DCA
7:51a
5h 21m
1 stop
Depart: Mon Feb 2 2015 Return: Thu Feb 5 2015 Trip spans 4 days
US Airways
US Airways
DCA
2:43a
ISP
6:59a
4h 16m
1 stop
ISP
9:50a
DCA
1:24p
3h 34m
1 stop
Depart: Fri Feb 6 2015 Return: Sun Feb 8 2015 Trip spans 3 days
US Airways
US Airways
DCA
2:43a
ISP
6:19a
3h 36m
1 stop
ISP
2:30a
DCA
7:33a
5h 03m
1 stop
Depart: Thu Feb 19 2015 Return: Fri Feb 20 2015 Trip spans 2 days
US Airways
US Airways
DCA
1:30a
ISP
6:20a
4h 50m
1 stop
ISP
2:30a
DCA
5:54a
3h 24m
1 stop
Depart: Fri May 1 2015 Return: Sun May 3 2015 Trip spans 3 days
US Airways
US Airways
DCA
2:30a
ISP
7:31a
5h 01m
1 stop
ISP
7:56a
DCA
10:46a
2h 50m
1 stop
Depart: Sat Feb 14 2015 Return: Tue Feb 17 2015 Trip spans 4 days
US Airways
US Airways
DCA
2:00a
ISP
5:28a
3h 28m
1 stop
ISP
2:30a
DCA
5:54a
3h 24m
1 stop
Depart: Thu Mar 19 2015 Return: Sun Mar 22 2015 Trip spans 4 days
Multiple Airlines
Multiple Airlines
DCA
7:52a
ISP
10:27a
2h 35m
1 stop
ISP
3:40a
DCA
7:18a
3h 38m
1 stop
Depart: Thu Mar 5 2015 Return: Sun Mar 15 2015 Trip spans 10 days
US Airways
US Airways
DCA
2:40a
ISP
6:20a
3h 40m
1 stop
ISP
3:40a
DCA
8:33a
4h 53m
1 stop
Depart: Sat Mar 14 2015 Return: Sun Mar 15 2015 Trip spans 2 days
US Airways
US Airways
DCA
3:00a
ISP
6:28a
3h 28m
1 stop
ISP
3:40a
DCA
8:33a
4h 53m
1 stop
Depart: Sat Mar 21 2015 Return: Sun Mar 22 2015 Trip spans 2 days
US Airways
US Airways
DCA
3:00a
ISP
6:28a
3h 28m
1 stop
ISP
3:40a
DCA
7:18a
3h 38m
1 stop
Depart: Fri Mar 6 2015 Return: Sun Mar 15 2015 Trip spans 9 days
US Airways
US Airways
DCA
2:40a
ISP
6:20a
3h 40m
1 stop
ISP
3:40a
DCA
7:18a
3h 38m
1 stop
Depart: Sun May 24 2015 Return: Sat May 30 2015 Trip spans 7 days
US Airways
US Airways
DCA
3:43a
ISP
7:23a
3h 40m
1 stop
ISP
4:05a
DCA
8:40a
4h 35m
1 stop
Depart: Fri Feb 27 2015 Return: Sun Mar 1 2015 Trip spans 3 days
American Airlines
American Airlines
DCA
2:40a
ISP
6:20a
3h 40m
1 stop
ISP
2:30a
DCA
6:18a
3h 48m
1 stop
Depart: Tue Feb 3 2015 Return: Fri Feb 6 2015 Trip spans 4 days
US Airways
US Airways
DCA
2:43a
ISP
6:19a
3h 36m
1 stop
ISP
2:30a
DCA
5:58a
3h 28m
1 stop
Depart: Wed May 20 2015 Return: Thu May 21 2015 Trip spans 2 days
American Airlines
American Airlines
DCA
3:43a
ISP
9:28a
5h 45m
1 stop
ISP
4:05a
DCA
8:40a
4h 35m
1 stop
Depart: Fri Mar 20 2015 Return: Sun Mar 22 2015 Trip spans 3 days
American Airlines
American Airlines
DCA
6:10a
ISP
10:27a
4h 17m
1 stop
ISP
3:40a
DCA
7:18a
3h 38m
1 stop
Depart: Thu Apr 9 2015 Return: Sun Apr 12 2015 Trip spans 4 days
US Airways
US Airways
IAD
1:20a
ISP
10:27a
9h 07m
2 stops
ISP
10:52a
IAD
5:09p
6h 17m
2 stops
Depart: Fri Feb 20 2015 Return: Sun Feb 22 2015 Trip spans 3 days
$4845
Select
Linear Air Taxi
Linear Air Taxi
IAD
5:00a
ISP
7:01a
2h 01m
nonstop
ISP
5:00a
IAD
7:01a
2h 01m
nonstop
Change your search
Select an airline:  Southwest
Direct flights WAS to ISP on Southwest
Flight # Depart BWI Arrive ISP Sun Mon Tue Wed Thu Fri Sat Valid Between
2140 10:30 am 11:35 am Jan 25 - Mar 1
3834 10:30 am 11:35 am Jan 19 - Mar 6
2639 10:40 am 11:40 am Jan 24 - Feb 28
2841 1:25 pm 2:25 pm Jan 24 - Feb 21
2841 1:25 pm 2:25 pm Feb 28 - Feb 28
1437 1:55 pm 2:55 pm Jan 19 - Feb 27
1437 1:55 pm 2:55 pm Mar 1 - Mar 1
1437 1:55 pm 2:55 pm Feb 8 - Feb 22
1437 1:55 pm 2:55 pm Feb 1 - Feb 1
1437 1:55 pm 2:55 pm Mar 2 - Mar 6
1202 3:55 pm 4:55 pm Feb 14 - Feb 28
487 4:25 pm 5:25 pm Jan 26 - Mar 6
487 4:25 pm 5:25 pm Jan 25 - Mar 1
4469 8:35 pm 9:40 pm Jan 24 - Feb 28
1615 10:05 pm 11:10 pm Feb 2 - Mar 6
4004 10:05 pm 11:10 pm Feb 1 - Feb 1
Airports
Origin

Washington
only $405
only $208
Destination

Islip
$208