Find Cheap Flights from Washington to Islip Long Island (WAS - ISP)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Washington to Islip Long Island

(Round-trip)
Depart: Tue May 30 2017 Return: Wed May 31 2017 Trip spans 2 days
American Airlines
American Airlines
DCA
1:45p
ISP
6:02p
4h 17m
1 stop
ISP
9:07a
DCA
12:49p
3h 42m
1 stop
Depart: Sat Jun 10 2017 Return: Sat Jun 17 2017 Trip spans 8 days
Southwest
Southwest
DCA
2:55a
ISP
9:00a
6h 05m
1 stop
ISP
2:35a
DCA
10:20a
7h 45m
1 stop
Depart: Sun Oct 15 2017 Return: Wed Oct 18 2017 Trip spans 4 days
American Airlines
American Airlines
DCA
4:24a
ISP
8:30a
4h 06m
1 stop
ISP
2:10a
DCA
9:26a
7h 16m
2 stops
Depart: Sat May 27 2017 Return: Wed May 31 2017 Trip spans 5 days
American Airlines
American Airlines
DCA
2:16p
ISP
6:02p
3h 46m
1 stop
ISP
1:55p
DCA
6:17p
4h 22m
1 stop
Depart: Sun May 28 2017 Return: Wed May 31 2017 Trip spans 4 days
American Airlines
American Airlines
DCA
1:45p
ISP
6:02p
4h 17m
1 stop
ISP
1:55p
DCA
6:17p
4h 22m
1 stop
Depart: Mon May 29 2017 Return: Tue May 30 2017 Trip spans 2 days
American Airlines
American Airlines
DCA
1:45p
ISP
6:02p
4h 17m
1 stop
ISP
1:55p
DCA
6:17p
4h 22m
1 stop
Depart: Wed May 31 2017 Return: Thu Jun 1 2017 Trip spans 2 days
American Airlines
American Airlines
DCA
11:45a
ISP
6:02p
6h 17m
1 stop
ISP
1:55p
DCA
6:17p
4h 22m
1 stop
Depart: Wed Sep 27 2017 Return: Fri Sep 29 2017 Trip spans 3 days
Southwest
Southwest
IAD
3:05a
ISP
9:20a
6h 15m
1 stop
ISP
8:25a
IAD
6:15p
9h 50m
1 stop
Depart: Wed May 24 2017 Return: Tue May 30 2017 Trip spans 7 days
American Airlines
American Airlines
DCA
1:45p
ISP
6:02p
4h 17m
1 stop
ISP
1:55p
DCA
6:17p
4h 22m
1 stop
Depart: Tue Jul 11 2017 Return: Sun Jul 16 2017 Trip spans 6 days
Southwest
Southwest
IAD
1:05p
ISP
8:20p
7h 15m
1 stop
ISP
5:45a
IAD
1:45p
8h 00m
2 stops
Depart: Thu Jun 1 2017 Return: Fri Jun 2 2017 Trip spans 2 days
American Airlines
American Airlines
DCA
10:00a
ISP
6:02p
8h 02m
2 stops
ISP
1:55p
DCA
6:18p
4h 23m
1 stop
Depart: Mon Jun 5 2017 Return: Tue Jun 6 2017 Trip spans 2 days
American Airlines
American Airlines
DCA
1:45p
ISP
6:05p
4h 20m
1 stop
ISP
1:55p
DCA
6:18p
4h 23m
1 stop
Depart: Sat Jun 17 2017 Return: Sun Jul 2 2017 Trip spans 16 days
American Airlines
American Airlines
DCA
4:40a
ISP
8:41a
4h 01m
1 stop
ISP
1:55p
DCA
6:18p
4h 23m
1 stop
Depart: Sat Aug 26 2017 Return: Tue Aug 29 2017 Trip spans 4 days
American Airlines
American Airlines
DCA
1:29p
ISP
5:55p
4h 26m
1 stop
ISP
2:20p
DCA
5:35p
3h 15m
1 stop
Depart: Fri May 26 2017 Return: Sat May 27 2017 Trip spans 2 days
American Airlines
American Airlines
DCA
1:45p
ISP
6:02p
4h 17m
1 stop
ISP
9:07a
DCA
12:46p
3h 39m
1 stop
Depart: Wed Jun 7 2017 Return: Tue Jun 13 2017 Trip spans 7 days
American Airlines
American Airlines
DCA
1:45p
ISP
6:05p
4h 20m
1 stop
ISP
9:07a
DCA
12:44p
3h 37m
1 stop
Depart: Thu Jun 8 2017 Return: Mon Jun 12 2017 Trip spans 5 days
American Airlines
American Airlines
DCA
2:30a
ISP
8:41a
6h 11m
2 stops
ISP
1:55p
DCA
6:18p
4h 23m
1 stop
Depart: Sat Jul 8 2017 Return: Sun Jul 9 2017 Trip spans 2 days
American Airlines
American Airlines
DCA
4:40a
ISP
8:40a
4h 00m
1 stop
ISP
1:55p
DCA
6:23p
4h 28m
1 stop
Depart: Fri Aug 25 2017 Return: Mon Aug 28 2017 Trip spans 4 days
American Airlines
American Airlines
DCA
4:24a
ISP
8:30a
4h 06m
1 stop
ISP
2:20p
DCA
5:35p
3h 15m
1 stop
Depart: Mon Jul 10 2017 Return: Fri Jul 14 2017 Trip spans 5 days
American Airlines
American Airlines
DCA
1:45p
ISP
6:04p
4h 19m
1 stop
ISP
1:55p
DCA
6:21p
4h 26m
1 stop
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
2732 7:15 am 8:20 am Jun 24 - Aug 12
2732 7:15 am 8:20 am Jun 10 - Jun 10
1724 10:30 am 11:35 am Jun 5 - Jun 30
1880 10:35 am 11:40 am May 22 - Jun 2
2638 10:45 am 11:50 am May 20 - Jun 3
2871 10:45 am 11:50 am Jun 10 - Aug 12
5181 11:10 am 12:15 pm Jun 4 - Aug 13
4942 1:15 pm 2:20 pm May 20 - Jun 3
4700 1:40 pm 2:45 pm Jun 4 - Aug 13
1691 2:15 pm 3:20 pm Jun 5 - Aug 14
503 2:20 pm 3:25 pm May 22 - Jun 2
668 4:00 pm 5:05 pm May 30 - Jun 2
5450 4:25 pm 5:30 pm Jun 4 - Aug 13
330 4:30 pm 5:35 pm Jun 5 - Jun 30
2845 4:50 pm 5:55 pm May 20 - Jun 3
4482 5:20 pm 6:25 pm Jun 10 - Jun 10
4482 5:20 pm 6:25 pm Jun 17 - Aug 12
278 7:40 pm 8:45 pm May 30 - Jun 2
256 8:00 pm 9:05 pm Jun 5 - Jun 30
344 9:45 pm 10:50 pm Jun 3 - Jun 3
4852 9:55 pm 11:00 pm Jun 10 - Aug 12
2707 10:15 pm 11:20 pm Jun 4 - Aug 13
773 10:30 pm 11:35 pm May 30 - Jun 2
3201 11:20 pm 12:25 am Jun 5 - Jun 30
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Washington
only $443
only $226
Destination

Islip
$226