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: Mon Dec 25 2017 Return: Wed Jan 10 2018 Trip spans 17 days
American Airlines
American Airlines
DCA
12:00a
ISP
4:06a
4h 06m
1 stop
ISP
12:00a
DCA
3:15a
3h 15m
1 stop
Depart: Thu Nov 9 2017 Return: Mon Nov 13 2017 Trip spans 5 days
Southwest
Southwest
DCA
12:00a
ISP
6:15a
6h 15m
1 stop
ISP
12:00a
DCA
9:50a
9h 50m
2 stops
Depart: Sun Dec 24 2017 Return: Wed Jan 10 2018 Trip spans 18 days
American Airlines
American Airlines
DCA
12:00a
ISP
4:06a
4h 06m
1 stop
ISP
12:00a
DCA
3:15a
3h 15m
1 stop
Depart: Mon Dec 25 2017 Return: Thu Jan 11 2018 Trip spans 18 days
American Airlines
American Airlines
DCA
12:00a
ISP
4:06a
4h 06m
1 stop
ISP
12:00a
DCA
3:15a
3h 15m
1 stop
Depart: Wed Aug 23 2017 Return: Sat Aug 26 2017 Trip spans 4 days
American Airlines
American Airlines
DCA
12:00a
ISP
5:49a
5h 49m
1 stop
ISP
12:00a
DCA
4:08a
4h 08m
1 stop
Depart: Sun Dec 24 2017 Return: Thu Jan 11 2018 Trip spans 19 days
American Airlines
American Airlines
DCA
12:00a
ISP
4:06a
4h 06m
1 stop
ISP
12:00a
DCA
3:15a
3h 15m
1 stop
Depart: Thu Jul 27 2017 Return: Sun Jul 30 2017 Trip spans 4 days
Southwest
Southwest
IAD
12:00a
ISP
7:15a
7h 15m
1 stop
ISP
12:00a
IAD
8:45a
8h 45m
2 stops
Depart: Sat Sep 30 2017 Return: Sun Oct 1 2017 Trip spans 2 days
American Airlines
American Airlines
DCA
12:00a
ISP
4:23a
4h 23m
1 stop
ISP
12:00a
DCA
4:08a
4h 08m
1 stop
Depart: Sat Dec 23 2017 Return: Wed Jan 10 2018 Trip spans 19 days
American Airlines
American Airlines
DCA
12:00a
ISP
4:26a
4h 26m
1 stop
ISP
12:00a
DCA
3:15a
3h 15m
1 stop
Depart: Mon Jul 31 2017 Return: Wed Aug 2 2017 Trip spans 3 days
American Airlines
American Airlines
DCA
12:00a
ISP
4:19a
4h 19m
1 stop
ISP
12:00a
DCA
4:28a
4h 28m
1 stop
Depart: Mon Jul 31 2017 Return: Thu Aug 3 2017 Trip spans 4 days
American Airlines
American Airlines
DCA
12:00a
ISP
4:19a
4h 19m
1 stop
ISP
12:00a
DCA
4:28a
4h 28m
1 stop
Depart: Tue Jul 18 2017 Return: Wed Jul 19 2017 Trip spans 2 days
American Airlines
American Airlines
DCA
12:00a
ISP
4:19a
4h 19m
1 stop
ISP
12:00a
DCA
4:28a
4h 28m
1 stop
Depart: Wed Jul 26 2017 Return: Wed Aug 2 2017 Trip spans 8 days
American Airlines
American Airlines
DCA
12:00a
ISP
10:09a
10h 09m
2 stops
ISP
12:00a
DCA
4:28a
4h 28m
1 stop
Depart: Wed Sep 27 2017 Return: Sun Oct 1 2017 Trip spans 5 days
American Airlines
American Airlines
DCA
12:00a
ISP
5:53a
5h 53m
1 stop
ISP
12:00a
DCA
4:08a
4h 08m
1 stop
Depart: Thu Sep 28 2017 Return: Sun Oct 1 2017 Trip spans 4 days
American Airlines
American Airlines
DCA
12:00a
ISP
5:53a
5h 53m
1 stop
ISP
12:00a
DCA
4:08a
4h 08m
1 stop
Depart: Sat Dec 23 2017 Return: Thu Jan 11 2018 Trip spans 20 days
American Airlines
American Airlines
DCA
12:00a
ISP
4:26a
4h 26m
1 stop
ISP
12:00a
DCA
3:15a
3h 15m
1 stop
Depart: Mon Jul 31 2017 Return: Fri Aug 4 2017 Trip spans 5 days
American Airlines
American Airlines
DCA
12:00a
ISP
4:19a
4h 19m
1 stop
ISP
12:00a
DCA
4:26a
4h 26m
1 stop
Depart: Mon Jul 24 2017 Return: Wed Jul 26 2017 Trip spans 3 days
American Airlines
American Airlines
DCA
12:00a
ISP
4:19a
4h 19m
1 stop
ISP
12:00a
DCA
4:28a
4h 28m
1 stop
Depart: Mon Jul 31 2017 Return: Tue Aug 8 2017 Trip spans 9 days
American Airlines
American Airlines
DCA
12:00a
ISP
4:19a
4h 19m
1 stop
ISP
12:00a
DCA
4:28a
4h 28m
1 stop
Depart: Wed Jul 26 2017 Return: Thu Aug 3 2017 Trip spans 9 days
American Airlines
American Airlines
DCA
12:00a
ISP
10:09a
10h 09m
2 stops
ISP
12:00a
DCA
4:28a
4h 28m
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
1724 10:30 am 11:35 am Jun 21 - Jun 30
1724 10:30 am 11:35 am Jul 5 - Aug 14
2389 10:30 am 11:35 am Jul 4 - Jul 4
4429 10:30 am 11:35 am Jul 3 - Jul 3
2871 10:45 am 11:50 am Jun 24 - Aug 12
5181 11:10 am 12:15 pm Jun 25 - Aug 13
4700 1:40 pm 2:45 pm Jun 25 - Aug 13
1691 2:15 pm 3:20 pm Jun 21 - Aug 14
5338 3:30 pm 4:35 pm Jul 4 - Jul 4
5450 4:25 pm 5:30 pm Jun 25 - Aug 13
330 4:30 pm 5:35 pm Jul 5 - Aug 14
330 4:30 pm 5:35 pm Jul 3 - Jul 3
330 4:30 pm 5:35 pm Jun 21 - Jun 30
4482 5:20 pm 6:25 pm Jun 24 - Aug 12
256 8:00 pm 9:05 pm Jul 5 - Aug 14
256 8:00 pm 9:05 pm Jun 21 - Jun 30
5457 9:05 pm 10:10 pm Jul 3 - Jul 3
4449 9:40 pm 10:45 pm Jul 4 - Jul 4
4852 9:55 pm 11:00 pm Jun 24 - Aug 12
1644 10:15 pm 11:20 pm Jul 4 - Jul 4
2707 10:15 pm 11:20 pm Jun 25 - Aug 13
3201 11:20 pm 12:25 am Jun 21 - Jun 30
3201 11:20 pm 12:25 am Jul 3 - Jul 3
3201 11:20 pm 12:25 am Jul 5 - Aug 14
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Washington
only $545
only $333
Destination

Islip
$333