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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: Fri Apr 24 2015 Return: Sun Apr 26 2015 Trip spans 3 days
US Airways
US Airways
ISP
3:40a
DCA
7:00a
3h 20m
1 stop
DCA
4:30a
ISP
7:31a
3h 01m
1 stop
Depart: Thu Apr 30 2015 Return: Sun May 3 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: Fri Apr 3 2015 Return: Sun Apr 5 2015 Trip spans 3 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: Thu Apr 9 2015 Return: Tue Apr 14 2015 Trip spans 6 days
American Airlines
American Airlines
ISP
3:40a
DCA
7:00a
3h 20m
1 stop
DCA
2:00a
ISP
7:31a
5h 31m
1 stop
Depart: Wed Apr 15 2015 Return: Sun Apr 19 2015 Trip spans 5 days
American Airlines
American Airlines
ISP
3:40a
DCA
8:52a
5h 12m
1 stop
DCA
2:00a
ISP
7:31a
5h 31m
1 stop
Depart: Fri Apr 17 2015 Return: Tue Apr 21 2015 Trip spans 5 days
US Airways
US Airways
ISP
3:40a
DCA
7:00a
3h 20m
1 stop
DCA
7:40a
ISP
10:27a
2h 47m
1 stop
Depart: Sun Apr 19 2015 Return: Thu Apr 23 2015 Trip spans 5 days
US Airways
US Airways
ISP
5:05a
DCA
8:34a
3h 29m
1 stop
DCA
7:40a
ISP
10:27a
2h 47m
1 stop
Depart: Tue Apr 21 2015 Return: Fri Apr 24 2015 Trip spans 4 days
US Airways
US Airways
ISP
3:40a
DCA
7:00a
3h 20m
1 stop
DCA
7:40a
ISP
10:27a
2h 47m
1 stop
Depart: Fri May 1 2015 Return: Sun May 3 2015 Trip spans 3 days
US Airways
US Airways
ISP
3:40a
DCA
7:00a
3h 20m
1 stop
DCA
4:30a
ISP
7:31a
3h 01m
1 stop
Depart: Mon Sep 14 2015 Return: Thu Sep 17 2015 Trip spans 4 days
US Airways
US Airways
ISP
9:53a
DCA
2:27p
4h 34m
1 stop
DCA
2:00a
ISP
4:42a
2h 42m
1 stop
Depart: Sun Apr 5 2015 Return: Mon Apr 6 2015 Trip spans 2 days
American Airlines
American Airlines
ISP
5:05a
DCA
8:34a
3h 29m
1 stop
DCA
3:41a
ISP
7:31a
3h 50m
1 stop
Depart: Fri Mar 13 2015 Return: Mon Mar 23 2015 Trip spans 11 days
American Airlines
American Airlines
ISP
3:40a
DCA
8:51a
5h 11m
1 stop
DCA
7:52a
ISP
10:27a
2h 35m
1 stop
Depart: Thu Mar 26 2015 Return: Sun Mar 29 2015 Trip spans 4 days
US Airways
US Airways
ISP
3:40a
DCA
6:58a
3h 18m
1 stop
DCA
4:30a
ISP
7:31a
3h 01m
1 stop
Depart: Fri Mar 27 2015 Return: Sun Mar 29 2015 Trip spans 3 days
Multiple Airlines
Multiple Airlines
ISP
3:40a
DCA
6:58a
3h 18m
1 stop
DCA
4:30a
ISP
7:31a
3h 01m
1 stop
Depart: Wed Mar 11 2015 Return: Thu Mar 12 2015 Trip spans 2 days
American Airlines
American Airlines
ISP
3:40a
DCA
8:51a
5h 11m
1 stop
DCA
3:40a
ISP
7:20a
3h 40m
1 stop
Depart: Wed Mar 18 2015 Return: Thu Mar 19 2015 Trip spans 2 days
Multiple Airlines
Multiple Airlines
ISP
3:40a
DCA
6:58a
3h 18m
1 stop
DCA
7:52a
ISP
10:27a
2h 35m
1 stop
Depart: Wed Apr 8 2015 Return: Sun Apr 12 2015 Trip spans 5 days
US Airways
US Airways
ISP
3:40a
DCA
7:00a
3h 20m
1 stop
DCA
2:00a
ISP
7:31a
5h 31m
1 stop
Depart: Sun Mar 8 2015 Return: Tue Mar 10 2015 Trip spans 3 days
Multiple Airlines
Multiple Airlines
ISP
3:40a
DCA
7:18a
3h 38m
1 stop
DCA
7:52a
ISP
10:27a
2h 35m
1 stop
Depart: Tue Mar 10 2015 Return: Wed Mar 11 2015 Trip spans 2 days
US Airways
US Airways
ISP
3:40a
DCA
6:58a
3h 18m
1 stop
DCA
3:40a
ISP
7:20a
3h 40m
1 stop
Depart: Fri Apr 10 2015 Return: Sun Apr 12 2015 Trip spans 3 days
US Airways
US Airways
ISP
3:40a
DCA
7:00a
3h 20m
1 stop
DCA
4:30a
ISP
7:31a
3h 01m
1 stop
Change your search
Airports
Origin

Islip
$266
Destination

Washington
$266