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Find Deals on Flights 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: Tue Jul 28 2015 Return: Tue Aug 11 2015 Trip spans 15 days
American Airlines
American Airlines
ISP
2:50p
DCA
7:52p
5h 02m
1 stop
DCA
6:00a
ISP
10:22a
4h 22m
1 stop
Depart: Fri Aug 7 2015 Return: Tue Aug 11 2015 Trip spans 5 days
American Airlines
American Airlines
ISP
2:50p
DCA
7:52p
5h 02m
1 stop
DCA
6:00a
ISP
10:22a
4h 22m
1 stop
Depart: Tue Aug 4 2015 Return: Tue Aug 11 2015 Trip spans 8 days
American Airlines
American Airlines
ISP
2:50p
DCA
7:52p
5h 02m
1 stop
DCA
6:00a
ISP
10:22a
4h 22m
1 stop
Depart: Fri Jul 24 2015 Return: Sat Aug 1 2015 Trip spans 9 days
American Airlines
American Airlines
ISP
2:50p
DCA
6:28p
3h 38m
1 stop
DCA
5:45a
ISP
10:22a
4h 37m
1 stop
Depart: Fri Sep 4 2015 Return: Mon Sep 7 2015 Trip spans 4 days
US Airways
US Airways
ISP
2:50p
DCA
6:28p
3h 38m
1 stop
DCA
4:07a
ISP
7:27a
3h 20m
1 stop
Depart: Thu Jul 30 2015 Return: Tue Aug 11 2015 Trip spans 13 days
American Airlines
American Airlines
ISP
2:50p
DCA
7:52p
5h 02m
1 stop
DCA
6:00a
ISP
10:22a
4h 22m
1 stop
Depart: Thu Aug 6 2015 Return: Tue Aug 11 2015 Trip spans 6 days
American Airlines
American Airlines
ISP
3:35a
DCA
8:51a
5h 16m
1 stop
DCA
6:00a
ISP
10:22a
4h 22m
1 stop
Depart: Wed Aug 5 2015 Return: Tue Aug 11 2015 Trip spans 7 days
American Airlines
American Airlines
ISP
2:50p
DCA
7:52p
5h 02m
1 stop
DCA
6:00a
ISP
10:22a
4h 22m
1 stop
Depart: Wed Aug 19 2015 Return: Mon Aug 24 2015 Trip spans 6 days
US Airways
US Airways
ISP
2:50p
DCA
7:52p
5h 02m
1 stop
DCA
7:40a
ISP
10:22a
2h 42m
1 stop
Depart: Tue Sep 1 2015 Return: Wed Sep 2 2015 Trip spans 2 days
US Airways
US Airways
ISP
2:50p
DCA
6:28p
3h 38m
1 stop
DCA
7:40a
ISP
10:22a
2h 42m
1 stop
Depart: Thu Sep 10 2015 Return: Mon Sep 14 2015 Trip spans 5 days
US Airways
US Airways
ISP
2:50p
DCA
6:18p
3h 28m
1 stop
DCA
6:05a
ISP
10:17a
4h 12m
1 stop
Depart: Fri Sep 25 2015 Return: Mon Sep 28 2015 Trip spans 4 days
US Airways
US Airways
ISP
2:50p
DCA
6:18p
3h 28m
1 stop
DCA
6:05a
ISP
10:17a
4h 12m
1 stop
Depart: Sat Sep 26 2015 Return: Mon Sep 28 2015 Trip spans 3 days
US Airways
US Airways
ISP
10:48a
DCA
3:20p
4h 32m
1 stop
DCA
6:05a
ISP
10:17a
4h 12m
1 stop
Depart: Tue Jul 21 2015 Return: Sat Aug 1 2015 Trip spans 12 days
American Airlines
American Airlines
ISP
2:50p
DCA
6:28p
3h 38m
1 stop
DCA
5:45a
ISP
10:22a
4h 37m
1 stop
Depart: Wed Jul 22 2015 Return: Sat Aug 1 2015 Trip spans 11 days
American Airlines
American Airlines
ISP
2:50p
DCA
7:52p
5h 02m
1 stop
DCA
5:45a
ISP
10:22a
4h 37m
1 stop
Depart: Sat Aug 1 2015 Return: Tue Aug 11 2015 Trip spans 11 days
American Airlines
American Airlines
ISP
10:47a
DCA
4:24p
5h 37m
1 stop
DCA
6:00a
ISP
10:22a
4h 22m
1 stop
Depart: Sat Sep 5 2015 Return: Mon Sep 7 2015 Trip spans 3 days
US Airways
US Airways
ISP
5:30a
DCA
10:45a
5h 15m
1 stop
DCA
4:07a
ISP
7:27a
3h 20m
1 stop
Depart: Sat Jul 25 2015 Return: Sat Aug 1 2015 Trip spans 8 days
American Airlines
American Airlines
ISP
10:47a
DCA
4:24p
5h 37m
1 stop
DCA
5:45a
ISP
10:22a
4h 37m
1 stop
Depart: Sun Aug 23 2015 Return: Sun Aug 30 2015 Trip spans 8 days
US Airways
US Airways
ISP
3:35a
DCA
10:42a
7h 07m
2 stops
DCA
4:30a
ISP
7:27a
2h 57m
1 stop
Depart: Wed Jul 29 2015 Return: Tue Aug 11 2015 Trip spans 14 days
American Airlines
American Airlines
ISP
2:50p
DCA
7:52p
5h 02m
1 stop
DCA
6:00a
ISP
10:22a
4h 22m
1 stop
Airports
Origin

Islip
$245
Destination

Washington
$245