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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: Wed Apr 15 2015 Return: Thu Apr 16 2015 Trip spans 2 days
US Airways
US Airways
DCA
6:10a
ISP
10:27a
4h 17m
1 stop
ISP
3:40a
DCA
7:00a
3h 20m
1 stop
Depart: Fri Apr 24 2015 Return: Sun Apr 26 2015 Trip spans 3 days
Multiple Airlines
Multiple Airlines
DCA
7:40a
ISP
10:27a
2h 47m
1 stop
ISP
5:05a
DCA
8:34a
3h 29m
1 stop
Depart: Fri Sep 11 2015 Return: Sun Sep 13 2015 Trip spans 3 days
American Airlines
American Airlines
DCA
3:43a
ISP
9:28a
5h 45m
1 stop
ISP
4:05a
DCA
6:59a
2h 54m
1 stop
Depart: Sun Apr 19 2015 Return: Wed Apr 22 2015 Trip spans 4 days
US Airways
US Airways
DCA
4:30a
ISP
7:31a
3h 01m
1 stop
ISP
10:52a
DCA
4:57p
6h 05m
1 stop
Depart: Fri May 8 2015 Return: Sun May 10 2015 Trip spans 3 days
US Airways
US Airways
DCA
2:30a
ISP
7:23a
4h 53m
1 stop
ISP
3:30a
DCA
7:18a
3h 48m
1 stop
Depart: Fri Mar 20 2015 Return: Sun Mar 22 2015 Trip spans 3 days
American Airlines
American Airlines
DCA
2:31a
ISP
7:20a
4h 49m
1 stop
ISP
3:40a
DCA
7:18a
3h 38m
1 stop
Depart: Sat Mar 14 2015 Return: Tue Mar 17 2015 Trip spans 4 days
US Airways
US Airways
DCA
3:00a
ISP
6:28a
3h 28m
1 stop
ISP
3:40a
DCA
6:58a
3h 18m
1 stop
Depart: Sat Mar 28 2015 Return: Tue Mar 31 2015 Trip spans 4 days
US Airways
US Airways
DCA
2:00a
ISP
6:28a
4h 28m
1 stop
ISP
3:40a
DCA
8:52a
5h 12m
1 stop
Depart: Fri May 15 2015 Return: Sun May 17 2015 Trip spans 3 days
US Airways
US Airways
DCA
3:41a
ISP
7:23a
3h 42m
1 stop
ISP
3:30a
DCA
7:18a
3h 48m
1 stop
Depart: Wed Jul 1 2015 Return: Tue Jul 7 2015 Trip spans 7 days
American Airlines
American Airlines
DCA
3:43a
ISP
7:23a
3h 40m
1 stop
ISP
9:53a
DCA
2:27p
4h 34m
1 stop
Depart: Thu Mar 19 2015 Return: Sun Mar 22 2015 Trip spans 4 days
American Airlines
American Airlines
DCA
7:52a
ISP
10:27a
2h 35m
1 stop
ISP
3:40a
DCA
7:18a
3h 38m
1 stop
Depart: Thu Apr 2 2015 Return: Sun Apr 5 2015 Trip spans 4 days
US Airways
US Airways
DCA
3:41a
ISP
7:31a
3h 50m
1 stop
ISP
5:05a
DCA
10:46a
5h 41m
1 stop
Depart: Fri Mar 27 2015 Return: Sun Mar 29 2015 Trip spans 3 days
US Airways
US Airways
DCA
6:10a
ISP
10:27a
4h 17m
1 stop
ISP
3:40a
DCA
7:18a
3h 38m
1 stop
Depart: Fri Apr 3 2015 Return: Sun Apr 5 2015 Trip spans 3 days
US Airways
US Airways
DCA
6:10a
ISP
10:27a
4h 17m
1 stop
ISP
5:05a
DCA
10:46a
5h 41m
1 stop
Depart: Thu Mar 5 2015 Return: Sun Mar 8 2015 Trip spans 3 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: Fri Apr 10 2015 Return: Sun Apr 12 2015 Trip spans 3 days
American Airlines
American Airlines
DCA
2:30a
ISP
7:31a
5h 01m
1 stop
ISP
7:56a
DCA
10:46a
2h 50m
1 stop
Depart: Wed Mar 18 2015 Return: Sun Mar 22 2015 Trip spans 5 days
US Airways
US Airways
DCA
7:52a
ISP
10:27a
2h 35m
1 stop
ISP
3:40a
DCA
7:18a
3h 38m
1 stop
Depart: Sat Mar 7 2015 Return: Sun Mar 8 2015 Trip spans 1 days
Multiple Airlines
Multiple Airlines
DCA
2:40a
ISP
5:28a
2h 48m
1 stop
ISP
3:40a
DCA
7:18a
3h 38m
1 stop
Depart: Wed Mar 4 2015 Return: Fri Mar 6 2015 Trip spans 3 days
American Airlines
American Airlines
DCA
6:52a
ISP
9:27a
2h 35m
1 stop
ISP
2:40a
DCA
7:51a
5h 11m
1 stop
Depart: Thu May 14 2015 Return: Thu May 21 2015 Trip spans 8 days
$2532
Select
Linear Air Taxi
Linear Air Taxi
IAD
4:00a
ISP
5:47a
1h 47m
nonstop
ISP
4:00p
IAD
5:47p
1h 47m
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
1731 10:05 am 11:10 am Mar 14 - Apr 4
1377 10:10 am 11:15 am Apr 7 - Apr 7
449 10:10 am 11:15 am Mar 9 - Apr 6
842 10:10 am 11:15 am Apr 8 - May 22
2394 12:55 pm 1:55 pm Mar 14 - Apr 4
1749 1:20 pm 2:20 pm Apr 7 - Apr 7
3394 1:20 pm 2:20 pm Mar 8 - Mar 29
3394 1:20 pm 2:20 pm Apr 5 - Apr 5
749 1:20 pm 2:20 pm Mar 9 - Mar 13
749 1:20 pm 2:20 pm Mar 16 - Apr 6
752 1:50 pm 2:50 pm Apr 8 - Apr 24
1186 3:05 pm 4:05 pm Mar 29 - Apr 6
1186 3:05 pm 4:05 pm Mar 8 - Mar 27
2295 3:05 pm 4:05 pm Apr 7 - Apr 7
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 8 - Mar 15
388 5:00 pm 6:05 pm Mar 16 - Apr 6
388 5:00 pm 6:05 pm Mar 9 - Mar 9
2452 8:00 pm 9:10 pm Apr 8 - May 22
4040 8:40 pm 9:45 pm Mar 14 - Apr 4
3207 10:05 pm 11:05 pm Apr 7 - Apr 7
3847 10:05 pm 11:05 pm Mar 8 - Apr 6
232 10:10 pm 11:15 pm Apr 8 - May 22
Airports
Origin

Washington
only $2532
only $309
Destination

Islip
$309