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Find Flight Deals from Islip Long Island to Washington Reagan-National (ISP - DCA)

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

Book cheap flights from Islip Long Island to Washington Reagan-National

(Round-trip)
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: 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 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: Sat May 2 2015 Return: Fri May 8 2015 Trip spans 7 days
US Airways
US Airways
ISP
5:05a
DCA
11:01a
5h 56m
1 stop
DCA
7:40a
ISP
10:20a
2h 40m
1 stop
Depart: Fri May 15 2015 Return: Sun May 17 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: Thu May 21 2015 Return: Mon May 25 2015 Trip spans 5 days
US Airways
US Airways
ISP
3:30a
DCA
8:52a
5h 22m
1 stop
DCA
7:40a
ISP
10:20a
2h 40m
1 stop
Depart: Fri May 22 2015 Return: Mon May 25 2015 Trip spans 4 days
US Airways
US Airways
ISP
3:30a
DCA
7:00a
3h 30m
1 stop
DCA
7:40a
ISP
10:20a
2h 40m
1 stop
Depart: Fri Jul 3 2015 Return: Sun Jul 5 2015 Trip spans 3 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: Mon May 4 2015 Return: Mon May 11 2015 Trip spans 8 days
American Airlines
American Airlines
ISP
10:52a
DCA
4:57p
6h 05m
1 stop
DCA
2:00a
ISP
7:23a
5h 23m
1 stop
Airports
Origin

Islip
$300
Destination

Washington
$300