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: Thu Dec 7 2017 Return: Sun Dec 10 2017 Trip spans 4 days
American Airlines
American Airlines
DCA
12:00a
ISP
6:05a
6h 05m
1 stop
ISP
12:00a
DCA
7:30a
7h 30m
2 stops
Depart: Tue Oct 31 2017 Return: Wed Nov 1 2017 Trip spans 2 days
Frontier
Frontier
IAD
12:00a
ISP
2:40p
14h 40m
1 stop
ISP
12:00a
IAD
4:31p
16h 31m
1 stop
Depart: Sat Nov 4 2017 Return: Sun Nov 5 2017 Trip spans 2 days
American Airlines
American Airlines
DCA
12:00a
ISP
4:11a
4h 11m
1 stop
ISP
12:00a
DCA
3:25a
4h 25m
1 stop
Depart: Wed Nov 15 2017 Return: Thu Nov 16 2017 Trip spans 2 days
Frontier
Frontier
IAD
12:00a
ISP
7:15a
7h 15m
1 stop
ISP
12:00a
IAD
4:46p
16h 46m
1 stop
Depart: Wed Dec 6 2017 Return: Sun Dec 10 2017 Trip spans 5 days
Frontier
Frontier
IAD
12:00a
ISP
7:15a
7h 15m
1 stop
ISP
12:00a
IAD
12:58p
12h 58m
1 stop
Depart: Wed Nov 1 2017 Return: Fri Nov 3 2017 Trip spans 3 days
Frontier
Frontier
IAD
12:00a
ISP
7:15a
7h 15m
1 stop
ISP
12:00a
IAD
4:31p
16h 31m
1 stop
Depart: Wed Nov 1 2017 Return: Fri Nov 3 2017 Trip spans 3 days
American Airlines
American Airlines
DCA
12:00a
ISP
4:11a
4h 11m
1 stop
ISP
12:00a
DCA
3:43a
3h 43m
1 stop
Depart: Tue Oct 24 2017 Return: Tue Oct 31 2017 Trip spans 8 days
American Airlines
American Airlines
DCA
12:00a
ISP
4:11a
4h 11m
1 stop
ISP
12:00a
DCA
3:43a
3h 43m
1 stop
Depart: Wed Oct 25 2017 Return: Fri Oct 27 2017 Trip spans 3 days
American Airlines
American Airlines
DCA
12:00a
ISP
4:11a
4h 11m
1 stop
ISP
12:00a
DCA
3:43a
3h 43m
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
1819 9:25 am 10:30 am Oct 9 - Nov 3
4213 10:45 am 11:50 am Oct 7 - Oct 28
6649 10:50 am 11:55 am Nov 18 - Nov 25
2482 10:55 am 12:00 pm Nov 4 - Nov 4
6948 11:00 am 12:00 pm Nov 17 - Nov 22
6948 11:00 am 12:00 pm Nov 26 - Nov 27
1221 11:05 am 12:05 pm Oct 31 - Oct 31
2268 11:05 am 12:05 pm Nov 11 - Nov 11
3528 11:05 am 12:05 pm Nov 5 - Nov 19
5646 11:05 am 12:05 pm Nov 6 - Nov 16
5646 11:05 am 12:05 pm Nov 20 - Nov 20
1029 11:10 am 12:10 pm Nov 1 - Nov 3
1029 11:10 am 12:10 pm Oct 9 - Oct 30
5196 11:10 am 12:10 pm Oct 8 - Oct 29
1125 12:40 pm 1:40 pm Nov 17 - Nov 22
1125 12:40 pm 1:40 pm Nov 26 - Nov 27
6048 12:50 pm 1:50 pm Oct 7 - Oct 28
2485 12:55 pm 2:00 pm Nov 4 - Nov 4
4857 1:50 pm 2:55 pm Nov 5 - Nov 19
1491 2:00 pm 3:05 pm Nov 20 - Nov 20
1491 2:00 pm 3:05 pm Nov 6 - Nov 16
260 2:00 pm 3:05 pm Nov 24 - Nov 24
260 2:00 pm 3:05 pm Nov 23 - Nov 23
2620 2:15 pm 3:15 pm Nov 18 - Nov 25
1187 2:25 pm 3:30 pm Oct 31 - Oct 31
2870 2:25 pm 3:25 pm Nov 11 - Nov 11
397 2:30 pm 3:35 pm Nov 1 - Nov 3
397 2:30 pm 3:35 pm Oct 9 - Oct 30
5669 2:50 pm 3:55 pm Oct 29 - Oct 29
6989 3:10 pm 4:15 pm Nov 24 - Nov 24
5975 3:20 pm 4:25 pm Nov 20 - Nov 20
5975 3:20 pm 4:25 pm Nov 6 - Nov 16
3631 3:50 pm 4:55 pm Nov 23 - Nov 23
4784 3:55 pm 5:00 pm Nov 18 - Nov 18
237 4:00 pm 5:00 pm Oct 9 - Nov 3
1144 4:05 pm 5:10 pm Nov 17 - Nov 22
1144 4:05 pm 5:10 pm Nov 26 - Nov 27
4784 4:20 pm 5:25 pm Nov 25 - Nov 25
2476 4:40 pm 5:45 pm Nov 11 - Nov 11
5523 4:40 pm 5:45 pm Oct 7 - Oct 28
332 4:50 pm 5:50 pm Nov 4 - Nov 4
4705 4:55 pm 6:00 pm Nov 5 - Nov 19
3425 5:10 pm 6:15 pm Oct 8 - Oct 29
1815 6:20 pm 7:25 pm Nov 24 - Nov 24
5667 6:20 pm 7:25 pm Nov 6 - Nov 16
5667 6:20 pm 7:25 pm Nov 20 - Nov 20
1978 7:20 pm 8:25 pm Nov 18 - Nov 25
5925 7:25 pm 8:30 pm Nov 26 - Nov 27
5925 7:25 pm 8:30 pm Nov 17 - Nov 22
4300 7:55 pm 9:00 pm Nov 5 - Nov 19
2510 9:35 pm 10:35 pm Nov 11 - Nov 11
3633 9:35 pm 10:40 pm Oct 7 - Oct 28
2268 9:45 pm 10:50 pm Nov 4 - Nov 4
234 10:25 pm 11:30 pm Oct 9 - Nov 3
3381 10:25 pm 11:30 pm Oct 8 - Oct 29
1677 10:30 pm 11:40 pm Nov 24 - Nov 25
34 10:30 pm 11:40 pm Nov 6 - Nov 16
34 10:30 pm 11:40 pm Nov 20 - Nov 20
3950 10:40 pm 11:45 pm Nov 18 - Nov 18
3709 10:45 pm 11:55 pm Nov 5 - Nov 19
2092 11:00 pm 12:05 am Nov 17 - Nov 22
2092 11:00 pm 12:05 am Nov 26 - Nov 27
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Airports
Origin

Washington
only $167
only $152
Destination

Islip
$152