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: Thu Jan 15 2015 Return: Sun Jan 18 2015 Trip spans 4 days
US Airways
US Airways
DCA
1:30a
ISP
6:19a
4h 49m
1 stop
ISP
9:50a
DCA
1:24p
3h 34m
1 stop
Depart: Fri Jan 30 2015 Return: Mon Feb 2 2015 Trip spans 4 days
US Airways
US Airways
DCA
1:30a
ISP
6:19a
4h 49m
1 stop
ISP
7:19a
DCA
1:24p
6h 05m
1 stop
Depart: Sat Feb 7 2015 Return: Sun Feb 8 2015 Trip spans 2 days
US Airways
US Airways
DCA
1:00a
ISP
5:28a
4h 28m
1 stop
ISP
2:30a
DCA
7:33a
5h 03m
1 stop
Depart: Tue Jan 6 2015 Return: Tue Jan 13 2015 Trip spans 8 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: Sat Jan 10 2015 Return: Sat Jan 17 2015 Trip spans 8 days
US Airways
US Airways
DCA
2:30a
ISP
5:28a
2h 58m
1 stop
ISP
2:30a
DCA
7:33a
5h 03m
1 stop
Depart: Fri Jan 16 2015 Return: Sun Jan 18 2015 Trip spans 3 days
US Airways
US Airways
DCA
1:30a
ISP
6:19a
4h 49m
1 stop
ISP
9:50a
DCA
1:24p
3h 34m
1 stop
Depart: Sat Jan 17 2015 Return: Sat Jan 24 2015 Trip spans 8 days
US Airways
US Airways
DCA
2:15a
ISP
5:28a
3h 13m
1 stop
ISP
2:30a
DCA
7:33a
5h 03m
1 stop
Depart: Mon Jan 19 2015 Return: Thu Jan 22 2015 Trip spans 4 days
US Airways
US Airways
DCA
1:30a
ISP
6:59a
5h 29m
1 stop
ISP
9:50a
DCA
1:24p
3h 34m
1 stop
Depart: Sat Jan 24 2015 Return: Sun Jan 25 2015 Trip spans 2 days
US Airways
US Airways
DCA
2:15a
ISP
5:28a
3h 13m
1 stop
ISP
9:50a
DCA
1:24p
3h 34m
1 stop
Depart: Mon Jan 26 2015 Return: Thu Jan 29 2015 Trip spans 4 days
US Airways
US Airways
DCA
6:55a
ISP
9:27a
2h 32m
1 stop
ISP
2:30a
DCA
5:58a
3h 28m
1 stop
Depart: Thu Feb 19 2015 Return: Sun Feb 22 2015 Trip spans 4 days
US Airways
US Airways
DCA
2:40a
ISP
6:20a
3h 40m
1 stop
ISP
2:30a
DCA
6:18a
3h 48m
1 stop
Depart: Mon Jan 5 2015 Return: Wed Jan 7 2015 Trip spans 3 days
US Airways
US Airways
DCA
12:30p
ISP
4:21p
3h 51m
1 stop
ISP
9:50a
DCA
1:24p
3h 34m
1 stop
Depart: Thu Feb 12 2015 Return: Sat Mar 7 2015 Trip spans 24 days
US Airways
US Airways
DCA
2:40a
ISP
6:20a
3h 40m
1 stop
ISP
5:50a
DCA
9:51a
4h 01m
1 stop
Depart: Fri Jan 9 2015 Return: Mon Jan 12 2015 Trip spans 4 days
US Airways
US Airways
DCA
1:30a
ISP
6:19a
4h 49m
1 stop
ISP
9:50a
DCA
1:24p
3h 34m
1 stop
Depart: Thu Apr 2 2015 Return: Sat Apr 11 2015 Trip spans 10 days
US Airways
US Airways
DCA
3:43a
ISP
7:23a
3h 40m
1 stop
ISP
4:05a
DCA
6:59a
2h 54m
1 stop
Depart: Thu Jan 8 2015 Return: Sun Jan 11 2015 Trip spans 4 days
US Airways
US Airways
DCA
6:55a
ISP
9:27a
2h 32m
1 stop
ISP
9:50a
DCA
1:24p
3h 34m
1 stop
Depart: Wed Dec 31 2014 Return: Fri Jan 2 2015 Trip spans 3 days
US Airways
US Airways
DCA
10:15a
ISP
1:07p
2h 52m
1 stop
ISP
1:30p
DCA
5:15p
3h 45m
1 stop
Depart: Sun Jan 18 2015 Return: Thu Jan 29 2015 Trip spans 12 days
US Airways
US Airways
IAD
5:59a
ISP
4:17p
10h 18m
2 stops
ISP
2:30a
IAD
12:25p
9h 55m
2 stops
Depart: Wed Dec 24 2014 Return: Fri Dec 26 2014 Trip spans 3 days
American Airlines
American Airlines
IAD
6:01a
ISP
1:07p
7h 06m
2 stops
ISP
9:49a
IAD
4:06p
6h 17m
2 stops
Depart: Tue Dec 23 2014 Return: Fri Dec 26 2014 Trip spans 4 days
Multiple Airlines
Multiple Airlines
DCA
10:15a
ISP
1:07p
2h 52m
1 stop
ISP
9:49a
DCA
1:24p
3h 35m
1 stop
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
354 10:10 am 11:15 am Dec 29 - Dec 29
358 10:10 am 11:15 am Jan 1 - Jan 1
358 10:10 am 11:15 am Dec 30 - Jan 5
1282 10:15 am 11:20 am Jan 3 - Jan 3
1506 10:15 am 11:20 am Jan 4 - Jan 4
2140 10:30 am 11:35 am Jan 11 - Mar 1
3834 10:30 am 11:35 am Jan 6 - Mar 6
2639 10:40 am 11:40 am Jan 10 - Feb 28
2841 1:25 pm 2:25 pm Jan 10 - Feb 21
621 1:35 pm 2:35 pm Jan 1 - Jan 1
621 1:35 pm 2:35 pm Dec 29 - Jan 5
1437 1:55 pm 2:55 pm Jan 11 - Jan 25
1437 1:55 pm 2:55 pm Jan 6 - Feb 27
1202 3:55 pm 4:55 pm Jan 24 - Jan 31
1202 3:55 pm 4:55 pm Jan 17 - Jan 17
1202 3:55 pm 4:55 pm Jan 10 - Jan 10
487 4:25 pm 5:25 pm Jan 12 - Jan 23
487 4:25 pm 5:25 pm Jan 11 - Jan 18
487 4:25 pm 5:25 pm Jan 25 - Mar 1
487 4:25 pm 5:25 pm Jan 26 - Mar 6
487 4:25 pm 5:25 pm Jan 6 - Jan 9
319 4:40 pm 5:40 pm Jan 5 - Jan 5
575 4:40 pm 5:40 pm Jan 4 - Jan 4
575 4:40 pm 5:40 pm Jan 3 - Jan 3
575 4:40 pm 5:40 pm Dec 31 - Dec 31
575 4:40 pm 5:40 pm Dec 29 - Jan 2
844 4:40 pm 5:40 pm Jan 1 - Jan 1
101 6:45 pm 7:45 pm Jan 5 - Jan 5
896 7:15 pm 8:15 pm Dec 29 - Jan 4
896 7:15 pm 8:15 pm Dec 31 - Dec 31
4469 8:35 pm 9:40 pm Jan 10 - Feb 28
1320 10:05 pm 11:05 pm Jan 3 - Jan 4
1615 10:05 pm 11:10 pm Jan 6 - Jan 30
1998 10:05 pm 11:05 pm Dec 29 - Jan 5
1141 10:10 pm 11:10 pm Jan 1 - Jan 1
Airports
Origin

Washington
only $383
only $188
Destination

Islip
$188