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Find Flight Deals from Islip Long Island to Washington (ISP - WAS)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Islip Long Island to Washington

(Round-trip)
Depart: Sat May 30 2015 Return: Sun May 31 2015 Trip spans 2 days
American Airlines
American Airlines
ISP
11:15a
DCA
4:23p
5h 08m
1 stop
DCA
4:30a
ISP
7:23a
2h 53m
1 stop
Depart: Thu Jun 4 2015 Return: Sun Jun 7 2015 Trip spans 4 days
US Airways
US Airways
ISP
2:42p
DCA
6:28p
3h 46m
1 stop
DCA
4:30a
ISP
7:27a
2h 57m
1 stop
Depart: Fri Jun 5 2015 Return: Sun Jun 7 2015 Trip spans 3 days
US Airways
US Airways
ISP
2:42p
DCA
6:28p
3h 46m
1 stop
DCA
4:30a
ISP
7:27a
2h 57m
1 stop
Depart: Thu Apr 30 2015 Return: Sun May 3 2015 Trip spans 4 days
American Airlines
American Airlines
ISP
10:52a
DCA
4:57p
6h 05m
1 stop
DCA
4:30a
ISP
7:31a
3h 01m
1 stop
Depart: Wed Jul 15 2015 Return: Wed Sep 9 2015 Trip spans 57 days
US Airways
US Airways
ISP
4:05a
DCA
6:59a
2h 54m
1 stop
DCA
2:00a
ISP
4:42a
2h 42m
1 stop
Depart: Sat Jun 27 2015 Return: Sun Jun 28 2015 Trip spans 2 days
US Airways
US Airways
ISP
10:47a
DCA
3:36p
4h 49m
1 stop
DCA
4:30a
ISP
7:27a
2h 57m
1 stop
Depart: Thu May 28 2015 Return: Sun May 31 2015 Trip spans 4 days
US Airways
US Airways
ISP
10:47a
DCA
5:00p
6h 13m
1 stop
DCA
4:30a
ISP
7:23a
2h 53m
1 stop
Depart: Fri May 29 2015 Return: Sun May 31 2015 Trip spans 3 days
US Airways
US Airways
ISP
10:47a
DCA
5:00p
6h 13m
1 stop
DCA
4:30a
ISP
7:23a
2h 53m
1 stop
Depart: Fri Jul 10 2015 Return: Wed Jul 15 2015 Trip spans 6 days
US Airways
US Airways
ISP
4:05a
DCA
6:59a
2h 54m
1 stop
DCA
6:00a
ISP
9:28a
3h 28m
1 stop
Depart: Fri May 8 2015 Return: Sun May 10 2015 Trip spans 3 days
US Airways
US Airways
ISP
3:30a
DCA
8:52a
5h 22m
1 stop
DCA
4:30a
ISP
10:20a
5h 50m
1 stop
Depart: Tue Apr 14 2015 Return: Thu Apr 16 2015 Trip spans 3 days
US Airways
US Airways
ISP
3:40a
DCA
8:52a
5h 12m
1 stop
DCA
2:30a
ISP
7:31a
5h 01m
1 stop
Depart: Fri Apr 24 2015 Return: Mon May 4 2015 Trip spans 11 days
US Airways
US Airways
ISP
10:52a
DCA
4:57p
6h 05m
1 stop
DCA
2:30a
ISP
7:31a
5h 01m
1 stop
Depart: Mon May 11 2015 Return: Thu May 14 2015 Trip spans 4 days
US Airways
US Airways
ISP
10:47a
DCA
5:00p
6h 13m
1 stop
DCA
7:40a
ISP
10:20a
2h 40m
1 stop
Depart: Sun Jun 14 2015 Return: Tue Jun 16 2015 Trip spans 3 days
US Airways
US Airways
ISP
3:35a
DCA
7:16a
3h 41m
1 stop
DCA
3:42a
ISP
7:27a
3h 45m
1 stop
Depart: Tue Jul 21 2015 Return: Fri Jul 24 2015 Trip spans 4 days
US Airways
US Airways
ISP
4:05a
DCA
8:40a
4h 35m
1 stop
DCA
2:30a
ISP
7:23a
4h 53m
1 stop
Depart: Wed Apr 15 2015 Return: Sun Apr 19 2015 Trip spans 5 days
US Airways
US Airways
ISP
10:52a
DCA
4:57p
6h 05m
1 stop
DCA
4:30a
ISP
7:31a
3h 01m
1 stop
Depart: Thu Apr 23 2015 Return: Sun Apr 26 2015 Trip spans 4 days
US Airways
US Airways
ISP
10:52a
DCA
4:57p
6h 05m
1 stop
DCA
4:30a
ISP
7:31a
3h 01m
1 stop
Depart: Thu May 7 2015 Return: Sat May 9 2015 Trip spans 3 days
US Airways
US Airways
ISP
3:30a
IAD
11:47a
8h 17m
2 stops
IAD
1:20a
ISP
10:48a
9h 28m
2 stops
Depart: Tue Apr 7 2015 Return: Thu Apr 9 2015 Trip spans 3 days
American Airlines
American Airlines
ISP
3:40a
IAD
1:24p
9h 44m
2 stops
IAD
1:20a
ISP
7:31a
6h 11m
2 stops
Depart: Sat Apr 25 2015 Return: Sun Apr 26 2015 Trip spans 2 days
$5329
Select
Linear Air Taxi
Linear Air Taxi
ISP
2:00a
IAD
3:51a
1h 51m
nonstop
IAD
8:00a
ISP
9:51a
1h 51m
nonstop
Select an airline:  Southwest
Direct flights ISP to WAS on Southwest
Flight # Depart ISP Arrive BWI Sun Mon Tue Wed Thu Fri Sat Valid Between
1579 6:00 am 7:15 am Apr 11 - May 16
667 6:00 am 7:15 am Apr 8 - May 8
580 7:45 am 9:00 am Apr 8 - May 22
1929 9:45 am 11:00 am May 9 - May 16
1929 9:45 am 11:00 am Apr 11 - Apr 18
1929 9:45 am 11:00 am Apr 25 - May 2
3743 11:50 am 1:05 pm Apr 8 - May 22
1297 12:00 pm 1:15 pm Apr 11 - May 16
4878 12:45 pm 2:00 pm Apr 12 - May 17
2940 2:40 pm 3:55 pm Apr 8 - Apr 10
2940 2:40 pm 3:55 pm Apr 12 - May 22
2547 3:50 pm 5:05 pm Apr 18 - May 16
2547 3:50 pm 5:05 pm Apr 11 - Apr 11
325 6:40 pm 7:50 pm Apr 8 - May 22
Airports
Origin

Islip
$259
Destination

Washington
only $469
only $259