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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: Sun May 3 2015 Return: Tue May 5 2015 Trip spans 3 days
American Airlines
American Airlines
DCA
6:15a
ISP
10:27a
4h 12m
1 stop
ISP
3:40a
DCA
8:52a
5h 12m
1 stop
Depart: Wed Sep 30 2015 Return: Fri Oct 2 2015 Trip spans 3 days
US Airways
US Airways
DCA
2:00a
ISP
4:42a
2h 42m
1 stop
ISP
9:53a
DCA
2:27p
4h 34m
1 stop
Depart: Wed Jun 3 2015 Return: Sat Jun 6 2015 Trip spans 4 days
US Airways
US Airways
DCA
7:40a
ISP
10:20a
2h 40m
1 stop
ISP
10:47a
DCA
4:24p
5h 37m
1 stop
Depart: Tue Jun 9 2015 Return: Fri Jun 12 2015 Trip spans 4 days
American Airlines
American Airlines
DCA
3:42a
ISP
7:27a
3h 45m
1 stop
ISP
2:42p
DCA
7:52p
5h 10m
1 stop
Depart: Wed Jun 10 2015 Return: Fri Jun 12 2015 Trip spans 3 days
American Airlines
American Airlines
DCA
6:00a
ISP
10:22a
4h 22m
1 stop
ISP
2:42p
DCA
6:28p
3h 46m
1 stop
Depart: Thu Jun 11 2015 Return: Tue Jun 16 2015 Trip spans 6 days
American Airlines
American Airlines
DCA
2:25a
ISP
7:27a
5h 02m
1 stop
ISP
2:42p
DCA
6:28p
3h 46m
1 stop
Depart: Fri May 29 2015 Return: Sat May 30 2015 Trip spans 2 days
American Airlines
American Airlines
DCA
2:30a
ISP
7:23a
4h 53m
1 stop
ISP
11:15a
DCA
4:23p
5h 08m
1 stop
Depart: Mon Jun 8 2015 Return: Fri Jun 12 2015 Trip spans 5 days
American Airlines
American Airlines
DCA
7:40a
ISP
10:22a
2h 42m
1 stop
ISP
2:42p
DCA
7:52p
5h 10m
1 stop
Depart: Thu Aug 13 2015 Return: Wed Aug 26 2015 Trip spans 14 days
American Airlines
American Airlines
DCA
3:42a
ISP
7:27a
3h 45m
1 stop
ISP
4:05a
DCA
6:59a
2h 54m
1 stop
Depart: Mon May 4 2015 Return: Tue May 5 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: Thu May 7 2015 Return: Sat May 9 2015 Trip spans 3 days
US Airways
US Airways
DCA
3:41a
ISP
7:23a
3h 42m
1 stop
ISP
11:15a
DCA
3:29p
4h 14m
1 stop
Depart: Sun May 10 2015 Return: Tue May 12 2015 Trip spans 3 days
US Airways
US Airways
DCA
4:30a
ISP
7:23a
2h 53m
1 stop
ISP
3:30a
DCA
8:52a
5h 22m
1 stop
Depart: Thu Aug 20 2015 Return: Mon Aug 24 2015 Trip spans 5 days
American Airlines
American Airlines
DCA
3:43a
ISP
9:28a
5h 45m
1 stop
ISP
9:53a
DCA
2:27p
4h 34m
1 stop
Depart: Fri Oct 9 2015 Return: Sat Oct 10 2015 Trip spans 2 days
American Airlines
American Airlines
DCA
3:43a
ISP
9:28a
5h 45m
1 stop
ISP
9:53a
DCA
2:27p
4h 34m
1 stop
Depart: Tue Apr 28 2015 Return: Tue May 5 2015 Trip spans 8 days
US Airways
US Airways
DCA
2:30a
ISP
7:31a
5h 01m
1 stop
ISP
3:40a
DCA
7:00a
3h 20m
1 stop
Depart: Wed Apr 29 2015 Return: Tue May 5 2015 Trip spans 7 days
US Airways
US Airways
DCA
2:15p
ISP
5:24p
3h 09m
1 stop
ISP
3:40a
DCA
7:00a
3h 20m
1 stop
Depart: Thu Apr 30 2015 Return: Tue May 5 2015 Trip spans 6 days
US Airways
US Airways
DCA
2:30a
ISP
7:31a
5h 01m
1 stop
ISP
3:40a
DCA
7:00a
3h 20m
1 stop
Depart: Fri Jun 12 2015 Return: Tue Jun 16 2015 Trip spans 5 days
American Airlines
American Airlines
DCA
6:00a
ISP
10:22a
4h 22m
1 stop
ISP
2:42p
DCA
7:52p
5h 10m
1 stop
Depart: Fri Oct 30 2015 Return: Sun Nov 1 2015 Trip spans 3 days
US Airways
US Airways
DCA
3:43a
ISP
9:28a
5h 45m
1 stop
ISP
3:05a
DCA
5:59a
2h 54m
1 stop
Depart: Wed May 27 2015 Return: Fri May 29 2015 Trip spans 3 days
US Airways
US Airways
IAD
1:20a
ISP
7:23a
6h 03m
2 stops
ISP
10:47a
IAD
5:09p
6h 22m
2 stops
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
2275 10:10 am 11:15 am May 25 - May 25
3793 10:10 am 11:15 am Apr 26 - May 17
3793 10:10 am 11:15 am May 31 - May 31
842 10:10 am 11:15 am May 26 - Jun 5
842 10:10 am 11:15 am Apr 27 - May 22
1056 10:20 am 11:25 am May 30 - May 30
1056 10:20 am 11:25 am Apr 25 - May 16
2609 10:20 am 11:25 am May 23 - May 23
2389 1:50 pm 2:50 pm May 24 - May 25
752 1:50 pm 2:50 pm May 17 - May 22
752 1:50 pm 2:50 pm May 31 - Jun 5
752 1:50 pm 2:50 pm May 26 - May 29
752 1:50 pm 2:50 pm Apr 26 - May 15
1085 2:00 pm 3:00 pm May 23 - May 23
2551 2:00 pm 3:00 pm May 30 - Jun 6
2551 2:00 pm 3:00 pm Apr 25 - May 16
1998 4:15 pm 5:15 pm May 23 - May 23
2836 4:15 pm 5:15 pm May 30 - Jun 6
2836 4:15 pm 5:15 pm Apr 25 - May 16
3916 4:45 pm 5:45 pm May 25 - May 25
3916 4:45 pm 5:45 pm May 24 - May 24
4017 4:45 pm 5:45 pm Apr 26 - May 22
4017 4:45 pm 5:45 pm May 26 - Jun 5
2452 8:00 pm 9:10 pm Apr 26 - May 22
2452 8:00 pm 9:10 pm May 26 - Jun 5
867 8:00 pm 9:10 pm May 25 - May 25
1201 8:30 pm 9:40 pm Apr 25 - May 16
1201 8:30 pm 9:40 pm May 30 - May 30
3386 8:30 pm 9:40 pm May 23 - May 23
232 10:10 pm 11:15 pm Apr 27 - May 22
232 10:10 pm 11:15 pm May 10 - May 17
232 10:10 pm 11:15 pm May 26 - Jun 5
232 10:10 pm 11:15 pm May 31 - May 31
2478 10:10 pm 11:15 pm May 24 - May 24
548 10:10 pm 11:15 pm May 25 - May 25
Airports
Origin

Washington
only $510
only $280
Destination

Islip
$280