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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: Thu Jun 11 2015 Return: Mon Jun 15 2015 Trip spans 5 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 Jun 29 2015 Return: Sat Jul 4 2015 Trip spans 6 days
American Airlines
American Airlines
DCA
7:40a
ISP
10:22a
2h 42m
1 stop
ISP
10:47a
DCA
4:24p
5h 37m
1 stop
Depart: Tue Jun 23 2015 Return: Fri Jun 26 2015 Trip spans 4 days
US Airways
US Airways
DCA
7:40a
ISP
10:22a
2h 42m
1 stop
ISP
2:42p
DCA
6:28p
3h 46m
1 stop
Depart: Fri Sep 11 2015 Return: Fri Sep 18 2015 Trip spans 8 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 Jun 12 2015 Return: Mon Jun 15 2015 Trip spans 4 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: Sun Jun 28 2015 Return: Fri Jul 10 2015 Trip spans 13 days
US Airways
US Airways
DCA
4:30a
ISP
7:27a
2h 57m
1 stop
ISP
2:50p
DCA
6:28p
3h 38m
1 stop
Depart: Sat Jun 27 2015 Return: Sat Jul 4 2015 Trip spans 8 days
American Airlines
American Airlines
DCA
5:45a
ISP
10:22a
4h 37m
1 stop
ISP
10:47a
DCA
4:24p
5h 37m
1 stop
Depart: Wed Jul 8 2015 Return: Fri Jul 10 2015 Trip spans 3 days
American Airlines
American Airlines
DCA
3:42a
ISP
7:27a
3h 45m
1 stop
ISP
2:50p
DCA
7:52p
5h 02m
1 stop
Depart: Fri Jul 3 2015 Return: Tue Jul 7 2015 Trip spans 5 days
American Airlines
American Airlines
DCA
2:25a
ISP
7:27a
5h 02m
1 stop
ISP
2:50p
DCA
7:52p
5h 02m
1 stop
Depart: Tue Jun 30 2015 Return: Tue Jul 7 2015 Trip spans 8 days
American Airlines
American Airlines
DCA
7:40a
ISP
10:22a
2h 42m
1 stop
ISP
2:50p
DCA
6:28p
3h 38m
1 stop
Depart: Wed Jul 1 2015 Return: Tue Jul 7 2015 Trip spans 7 days
American Airlines
American Airlines
DCA
2:25a
ISP
7:27a
5h 02m
1 stop
ISP
10:47a
DCA
5:01p
6h 14m
1 stop
Depart: Wed Jun 3 2015 Return: Thu Jun 4 2015 Trip spans 2 days
American Airlines
American Airlines
DCA
6:10a
ISP
10:20a
4h 10m
1 stop
ISP
3:35a
DCA
8:51a
5h 16m
1 stop
Depart: Thu Jul 30 2015 Return: Sat Aug 1 2015 Trip spans 3 days
American Airlines
American Airlines
DCA
3:42a
ISP
7:27a
3h 45m
1 stop
ISP
10:47a
DCA
4:24p
5h 37m
1 stop
Depart: Thu Aug 13 2015 Return: Sun Aug 16 2015 Trip spans 4 days
American Airlines
American Airlines
DCA
2:25a
ISP
7:27a
5h 02m
1 stop
ISP
3:35a
DCA
7:16a
3h 41m
1 stop
Depart: Thu Jul 2 2015 Return: Wed Jul 8 2015 Trip spans 7 days
American Airlines
American Airlines
DCA
3:42a
ISP
7:27a
3h 45m
1 stop
ISP
2:50p
DCA
6:28p
3h 38m
1 stop
Depart: Sat Sep 5 2015 Return: Wed Sep 9 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: Wed Sep 23 2015 Return: Wed Sep 30 2015 Trip spans 8 days
American Airlines
American Airlines
IAD
2:59a
ISP
9:28a
6h 29m
2 stops
ISP
7:48a
IAD
1:28p
5h 40m
2 stops
Depart: Fri Jun 19 2015 Return: Mon Jun 22 2015 Trip spans 4 days
American Airlines
American Airlines
DCA
2:25a
ISP
7:27a
5h 02m
1 stop
ISP
2:42p
DCA
7:52p
5h 10m
1 stop
Depart: Tue Apr 28 2015 Return: Wed Apr 29 2015 Trip spans 2 days
US Airways
US Airways
IAD
1:20a
ISP
7:31a
6h 11m
2 stops
ISP
7:56a
IAD
3:17p
7h 21m
2 stops
Depart: Wed May 20 2015 Return: Sun May 24 2015 Trip spans 5 days
$2532
Select
Linear Air Taxi
Linear Air Taxi
IAD
10:00a
ISP
11:47a
1h 47m
nonstop
ISP
6:00a
IAD
7:47a
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
2275 10:10 am 11:15 am May 25 - May 25
3793 10:10 am 11:15 am Apr 12 - May 17
842 10:10 am 11:15 am May 26 - Jun 5
842 10:10 am 11:15 am Apr 8 - May 22
1056 10:20 am 11:25 am Apr 18 - 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 26 - May 29
752 1:50 pm 2:50 pm Apr 26 - May 15
752 1:50 pm 2:50 pm May 17 - May 22
1085 2:00 pm 3:00 pm May 23 - May 23
2551 2:00 pm 3:00 pm Apr 11 - May 16
1998 4:15 pm 5:15 pm May 23 - May 23
2836 4:15 pm 5:15 pm Apr 18 - May 16
3916 4:45 pm 5:45 pm May 24 - May 24
3916 4:45 pm 5:45 pm May 25 - May 25
4017 4:45 pm 5:45 pm May 26 - Jun 5
4017 4:45 pm 5:45 pm Apr 8 - May 22
2452 8:00 pm 9:10 pm Apr 8 - 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 11 - May 16
3386 8:30 pm 9:40 pm May 23 - May 23
232 10:10 pm 11:15 pm May 3 - May 3
232 10:10 pm 11:15 pm May 10 - May 17
232 10:10 pm 11:15 pm Apr 8 - May 22
232 10:10 pm 11:15 pm May 26 - Jun 5
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 $403
only $302
Destination

Islip
$302