Find Deals on 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
Students
under 26
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: Wed Dec 14 2016 Return: Fri Dec 16 2016 Trip spans 3 days
American Airlines
American Airlines
DCA
2:35a
ISP
6:22a
3h 47m
1 stop
ISP
6:50a
DCA
9:53a
3h 03m
1 stop
Depart: Fri Jan 20 2017 Return: Mon Jan 23 2017 Trip spans 4 days
American Airlines
American Airlines
DCA
2:59a
ISP
7:25a
4h 26m
1 stop
ISP
12:55p
DCA
5:18p
4h 23m
1 stop
Depart: Sat Dec 24 2016 Return: Sun Dec 25 2016 Trip spans 2 days
American Airlines
American Airlines
DCA
8:47a
ISP
2:00p
5h 13m
1 stop
ISP
2:05a
DCA
6:14a
4h 09m
1 stop
Depart: Mon Dec 12 2016 Return: Tue Dec 13 2016 Trip spans 2 days
American Airlines
American Airlines
DCA
2:35a
ISP
6:22a
3h 47m
1 stop
ISP
1:15p
DCA
5:15p
4h 00m
1 stop
Depart: Tue Dec 13 2016 Return: Wed Dec 14 2016 Trip spans 2 days
American Airlines
American Airlines
DCA
2:35a
ISP
6:22a
3h 47m
1 stop
ISP
1:15p
DCA
5:15p
4h 00m
1 stop
Depart: Tue Dec 6 2016 Return: Fri Dec 9 2016 Trip spans 4 days
American Airlines
American Airlines
DCA
2:35a
ISP
6:22a
3h 47m
1 stop
ISP
6:50a
DCA
11:49a
4h 59m
1 stop
Depart: Thu Dec 8 2016 Return: Fri Dec 9 2016 Trip spans 2 days
American Airlines
American Airlines
DCA
2:35a
ISP
6:22a
3h 47m
1 stop
ISP
6:50a
DCA
9:53a
3h 03m
1 stop
Depart: Fri Dec 9 2016 Return: Sun Dec 11 2016 Trip spans 3 days
American Airlines
American Airlines
DCA
2:35a
ISP
6:22a
3h 47m
1 stop
ISP
2:05a
DCA
6:08a
4h 03m
1 stop
Depart: Mon Dec 5 2016 Return: Tue Dec 6 2016 Trip spans 2 days
American Airlines
American Airlines
DCA
2:35a
ISP
6:22a
3h 47m
1 stop
ISP
1:15p
DCA
5:15p
4h 00m
1 stop
Depart: Fri Dec 30 2016 Return: Mon Jan 23 2017 Trip spans 25 days
American Airlines
American Airlines
DCA
2:35a
ISP
6:22a
3h 47m
1 stop
ISP
12:55p
DCA
5:18p
4h 23m
1 stop
Depart: Thu Dec 15 2016 Return: Sun Dec 18 2016 Trip spans 4 days
American Airlines
American Airlines
DCA
1:55a
ISP
9:53a
7h 58m
2 stops
ISP
2:05a
DCA
7:41a
5h 36m
1 stop
Depart: Sat Dec 10 2016 Return: Sun Dec 11 2016 Trip spans 2 days
American Airlines
American Airlines
DCA
9:47a
ISP
1:49p
4h 02m
1 stop
ISP
1:15p
DCA
5:15p
4h 00m
1 stop
Depart: Sun Jan 1 2017 Return: Wed Jan 11 2017 Trip spans 11 days
American Airlines
American Airlines
DCA
2:27a
ISP
6:22a
3h 55m
1 stop
ISP
12:55p
DCA
5:18p
4h 23m
1 stop
Depart: Sun Dec 11 2016 Return: Thu Dec 15 2016 Trip spans 5 days
American Airlines
American Airlines
DCA
8:37a
ISP
12:46p
4h 09m
1 stop
ISP
6:50a
DCA
9:53a
3h 03m
1 stop
Depart: Sat Feb 4 2017 Return: Sun Feb 5 2017 Trip spans 2 days
American Airlines
American Airlines
DCA
2:59a
ISP
7:25a
4h 26m
1 stop
ISP
8:15a
DCA
11:38a
3h 23m
1 stop
Depart: Wed Jan 18 2017 Return: Thu Jan 19 2017 Trip spans 2 days
American Airlines
American Airlines
DCA
2:59a
ISP
7:25a
4h 26m
1 stop
ISP
12:55p
DCA
2:51a
13h 56m
2 stops
Depart: Fri Dec 16 2016 Return: Sun Dec 18 2016 Trip spans 3 days
American Airlines
American Airlines
DCA
12:35p
ISP
4:59p
4h 24m
1 stop
ISP
2:05a
DCA
6:08a
4h 03m
1 stop
Depart: Fri Feb 24 2017 Return: Sat Feb 25 2017 Trip spans 2 days
American Airlines
American Airlines
DCA
12:55p
ISP
4:48p
3h 53m
1 stop
ISP
12:55p
DCA
5:18p
4h 23m
1 stop
Depart: Fri Dec 23 2016 Return: Sun Dec 25 2016 Trip spans 3 days
American Airlines
American Airlines
DCA
2:35a
ISP
6:22a
3h 47m
1 stop
ISP
2:05a
DCA
6:14a
4h 09m
1 stop
Depart: Sat Dec 17 2016 Return: Mon Dec 19 2016 Trip spans 3 days
American Airlines
American Airlines
DCA
5:15a
ISP
2:00p
8h 45m
2 stops
ISP
6:50a
DCA
9:53a
3h 03m
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
6324 9:25 am 10:35 am Dec 21 - Jan 2
2072 9:55 am 11:00 am Dec 25 - Dec 25
3078 9:55 am 11:00 am Dec 1 - Dec 20
3078 9:55 am 11:00 am Jan 1 - Jan 4
1337 10:30 am 11:35 am Jan 5 - Mar 8
1181 10:35 am 11:40 am Dec 31 - Dec 31
2463 10:35 am 11:40 am Dec 24 - Dec 24
3495 10:35 am 11:40 am Dec 17 - Dec 17
6186 10:35 am 11:40 am Dec 21 - Jan 2
4106 10:40 am 11:45 am Jan 7 - Mar 4
3395 11:30 am 12:30 pm Jan 8 - Jan 29
1022 11:50 am 12:50 pm Dec 25 - Dec 25
945 1:30 pm 2:30 pm Dec 1 - Dec 20
945 1:30 pm 2:30 pm Jan 1 - Jan 4
1302 2:15 pm 3:20 pm Dec 24 - Dec 24
6396 2:15 pm 3:20 pm Dec 31 - Dec 31
6310 2:30 pm 3:35 pm Dec 21 - Jan 2
6085 3:20 pm 4:25 pm Dec 17 - Dec 17
2789 3:30 pm 4:35 pm Dec 25 - Dec 25
3326 3:30 pm 4:35 pm Jan 3 - Jan 4
3326 3:30 pm 4:35 pm Dec 1 - Dec 20
3326 3:30 pm 4:35 pm Dec 4 - Dec 18
3326 3:30 pm 4:35 pm Jan 1 - Jan 1
478 3:30 pm 4:30 pm Jan 5 - Mar 8
2518 3:45 pm 4:45 pm Jan 8 - Jan 29
2040 4:25 pm 5:25 pm Jan 7 - Mar 4
5091 4:50 pm 5:55 pm Dec 21 - Jan 2
1711 6:10 pm 7:15 pm Jan 5 - Jan 5
1822 6:10 pm 7:15 pm Jan 6 - Feb 13
6806 7:25 pm 8:30 pm Dec 31 - Dec 31
759 7:25 pm 8:30 pm Dec 24 - Dec 24
1873 7:45 pm 8:50 pm Dec 25 - Dec 25
4982 7:55 pm 9:00 pm Jan 8 - Jan 8
1180 8:10 pm 9:15 pm Dec 17 - Dec 17
2981 8:30 pm 9:35 pm Dec 29 - Jan 2
2981 8:30 pm 9:35 pm Dec 21 - Dec 28
1845 8:45 pm 9:50 pm Dec 1 - Dec 20
1845 8:45 pm 9:50 pm Jan 1 - Jan 4
1433 9:40 pm 10:40 pm Dec 25 - Dec 25
5248 9:40 pm 10:40 pm Jan 7 - Mar 4
3457 9:45 pm 10:45 pm Dec 31 - Dec 31
1720 9:50 pm 10:50 pm Dec 24 - Dec 24
1142 10:15 pm 11:15 pm Dec 17 - Dec 17
1846 10:15 pm 11:20 pm Jan 6 - Mar 8
5411 10:20 pm 11:25 pm Jan 5 - Jan 5
2178 10:30 pm 11:35 pm Jan 8 - Jan 29
3043 10:30 pm 11:35 pm Dec 1 - Dec 20
3043 10:30 pm 11:35 pm Jan 1 - Jan 4
5135 11:10 pm 12:10 am Dec 21 - Jan 2
* 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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Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

Washington
$189
Destination

Islip
$189