Browse Origins:
Browse Destinations:

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: Sun Jun 14 2015 Return: Thu Jun 18 2015 Trip spans 5 days
American Airlines
American Airlines
DCA
4:30a
ISP
7:27a
2h 57m
1 stop
ISP
2:42p
DCA
6:28p
3h 46m
1 stop
Depart: Mon Jun 15 2015 Return: Thu Jun 18 2015 Trip spans 4 days
American Airlines
American Airlines
DCA
7:40a
ISP
10:22a
2h 42m
1 stop
ISP
2:42p
DCA
6:28p
3h 46m
1 stop
Depart: Wed Jun 3 2015 Return: Fri Jun 5 2015 Trip spans 3 days
US Airways
US Airways
DCA
7:40a
ISP
10:20a
2h 40m
1 stop
ISP
2:42p
DCA
6:28p
3h 46m
1 stop
Depart: Tue Jun 16 2015 Return: Thu Jun 18 2015 Trip spans 3 days
American Airlines
American Airlines
DCA
3:42a
ISP
7:27a
3h 45m
1 stop
ISP
2:42p
DCA
6:28p
3h 46m
1 stop
Depart: Mon Apr 27 2015 Return: Tue Apr 28 2015 Trip spans 2 days
American Airlines
American Airlines
DCA
3:41a
ISP
7:31a
3h 50m
1 stop
ISP
10:52a
DCA
4:57p
6h 05m
1 stop
Depart: Thu May 7 2015 Return: Tue May 12 2015 Trip spans 6 days
US Airways
US Airways
DCA
3:41a
ISP
7:23a
3h 42m
1 stop
ISP
3:30a
DCA
8:52a
5h 22m
1 stop
Depart: Thu May 14 2015 Return: Sat May 16 2015 Trip spans 3 days
American Airlines
American Airlines
DCA
3:41a
ISP
7:23a
3h 42m
1 stop
ISP
11:15a
DCA
3:29p
4h 14m
1 stop
Depart: Fri Jun 12 2015 Return: Tue Jun 16 2015 Trip spans 5 days
US Airways
US Airways
DCA
3:42a
ISP
7:27a
3h 45m
1 stop
ISP
2:42p
DCA
6:28p
3h 46m
1 stop
Depart: Thu Jun 18 2015 Return: Sat Jun 20 2015 Trip spans 3 days
US Airways
US Airways
DCA
3:42a
ISP
7:27a
3h 45m
1 stop
ISP
10:47a
DCA
3:36p
4h 49m
1 stop
Depart: Wed Jun 17 2015 Return: Thu Jun 18 2015 Trip spans 2 days
US Airways
US Airways
DCA
9:45a
ISP
2:15p
4h 30m
1 stop
ISP
10:47a
DCA
5:01p
6h 14m
1 stop
Depart: Sat Jun 13 2015 Return: Thu Jun 18 2015 Trip spans 6 days
US Airways
US Airways
DCA
9:45a
ISP
2:50p
5h 05m
1 stop
ISP
10:47a
DCA
5:01p
6h 14m
1 stop
Depart: Sun Apr 26 2015 Return: Tue Apr 28 2015 Trip spans 3 days
American Airlines
American Airlines
DCA
4:30a
ISP
10:27a
5h 57m
1 stop
ISP
10:52a
DCA
4:57p
6h 05m
1 stop
Depart: Fri Sep 11 2015 Return: Sun Sep 13 2015 Trip spans 3 days
US Airways
US Airways
DCA
3:43a
ISP
9:28a
5h 45m
1 stop
ISP
4:05a
DCA
6:59a
2h 54m
1 stop
Depart: Fri May 8 2015 Return: Tue May 12 2015 Trip spans 5 days
US Airways
US Airways
DCA
3:41a
ISP
7:23a
3h 42m
1 stop
ISP
3:30a
DCA
8:52a
5h 22m
1 stop
Depart: Fri May 15 2015 Return: Mon May 18 2015 Trip spans 4 days
US Airways
US Airways
DCA
2:30a
ISP
7:23a
4h 53m
1 stop
ISP
10:47a
DCA
5:00p
6h 13m
1 stop
Depart: Tue May 26 2015 Return: Tue Jun 2 2015 Trip spans 8 days
US Airways
US Airways
DCA
7:40a
ISP
10:20a
2h 40m
1 stop
ISP
10:47a
DCA
5:00p
6h 13m
1 stop
Depart: Tue Apr 21 2015 Return: Wed Apr 22 2015 Trip spans 2 days
US Airways
US Airways
DCA
3:41a
ISP
7:31a
3h 50m
1 stop
ISP
3:40a
DCA
7:00a
3h 20m
1 stop
Depart: Sun Jul 5 2015 Return: Tue Jul 7 2015 Trip spans 3 days
US Airways
US Airways
DCA
6:00a
ISP
9:28a
3h 28m
1 stop
ISP
9:53a
DCA
2:27p
4h 34m
1 stop
Depart: Tue May 5 2015 Return: Sat May 9 2015 Trip spans 5 days
American Airlines
American Airlines
IAD
1:20a
ISP
7:31a
6h 11m
2 stops
ISP
11:15a
IAD
7:29p
8h 14m
2 stops
Depart: Sun Jun 7 2015 Return: Wed Jun 10 2015 Trip spans 4 days
$1688
Select
Linear Air Taxi
Linear Air Taxi
IAD
2:00a
ISP
3:47a
1h 47m
nonstop
ISP
2:00a
IAD
3:47a
1h 47m
nonstop
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
1377 10:10 am 11:15 am Apr 7 - Apr 7
3793 10:10 am 11:15 am Apr 12 - May 17
449 10:10 am 11:15 am Mar 26 - Apr 6
842 10:10 am 11:15 am Apr 8 - May 22
1056 10:20 am 11:25 am Apr 18 - May 16
1056 10:20 am 11:25 am Apr 11 - Apr 11
1749 1:20 pm 2:20 pm Apr 7 - Apr 7
3394 1:20 pm 2:20 pm Apr 5 - Apr 5
749 1:20 pm 2:20 pm Mar 26 - Apr 6
752 1:50 pm 2:50 pm Apr 8 - Apr 24
752 1:50 pm 2:50 pm Apr 26 - May 15
2551 2:00 pm 3:00 pm Apr 11 - May 16
1186 3:05 pm 4:05 pm Mar 29 - Apr 6
2295 3:05 pm 4:05 pm Apr 7 - Apr 7
2836 4:15 pm 5:15 pm Apr 11 - Apr 11
2836 4:15 pm 5:15 pm Apr 18 - May 16
4017 4:45 pm 5:45 pm Apr 8 - May 22
1303 5:00 pm 6:05 pm Apr 7 - Apr 7
388 5:00 pm 6:05 pm Mar 26 - Apr 6
2452 8:00 pm 9:10 pm Apr 8 - May 22
1201 8:30 pm 9:40 pm Apr 11 - May 16
3207 10:05 pm 11:05 pm Apr 7 - Apr 7
3847 10:05 pm 11:05 pm Mar 26 - Apr 6
232 10:10 pm 11:15 pm Apr 12 - Apr 26
232 10:10 pm 11:15 pm Apr 8 - May 22
232 10:10 pm 11:15 pm May 3 - May 3
Airports
Origin

Washington
only $403
only $238
Destination

Islip
$238