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Find Flight Deals from United States to Washington

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

Book cheap flights to Washington

(Round-trip)
Depart: Wed May 6 2015 Return: Sat May 9 2015 Trip spans 4 days
Frontier
Frontier
DTW
11:25a
IAD
12:55p
1h 30m
nonstop
IAD
8:45a
DTW
10:25a
1h 40m
nonstop
Depart: Thu Jan 22 2015 Return: Mon Jan 26 2015 Trip spans 5 days
Virgin America
Virgin America
DFW
9:10a
DCA
11:45a
2h 35m
nonstop
DCA
1:35p
DFW
5:05p
3h 30m
nonstop
Depart: Wed Jan 7 2015 Return: Fri Jan 9 2015 Trip spans 3 days
Frontier
Frontier
ORD
7:50a
IAD
9:40a
1h 50m
nonstop
IAD
3:20a
ORD
5:25a
2h 05m
nonstop
Depart: Tue Jan 20 2015 Return: Tue Feb 3 2015 Trip spans 15 days
Virgin America
Virgin America
DFW
2:50a
IAD
2:10p
11h 20m
1 stop
IAD
4:00a
DFW
1:25p
9h 25m
1 stop
Depart: Wed Jan 28 2015 Return: Sat Jan 31 2015 Trip spans 4 days
US Airways
US Airways
TPA
3:50a
DCA
5:56a
2h 06m
nonstop
DCA
11:00a
TPA
1:33p
2h 33m
nonstop
Depart: Mon Jan 26 2015 Return: Wed Jan 28 2015 Trip spans 3 days
American Airlines
American Airlines
JFK
4:45p
DCA
6:10p
1h 25m
nonstop
DCA
1:10p
JFK
2:23p
1h 13m
nonstop
Depart: Mon Jan 19 2015 Return: Wed Jan 21 2015 Trip spans 3 days
JetBlue Airways
JetBlue Airways
BOS
1:14a
IAD
3:05a
1h 51m
nonstop
IAD
1:35p
BOS
3:01p
1h 26m
nonstop
Depart: Thu Jan 8 2015 Return: Mon Jan 19 2015 Trip spans 12 days
US Airways
US Airways
BOS
2:00a
DCA
3:46a
1h 46m
nonstop
DCA
12:30p
BOS
2:01p
1h 31m
nonstop
Depart: Tue Mar 3 2015 Return: Wed Mar 4 2015 Trip spans 2 days
Frontier
Frontier
MCO
5:50a
IAD
7:55a
2h 05m
nonstop
IAD
10:15a
MCO
12:40p
2h 25m
nonstop
Depart: Tue May 19 2015 Return: Wed May 27 2015 Trip spans 9 days
Delta
Delta
JFK
4:45a
IAD
6:23a
1h 38m
nonstop
IAD
1:00p
JFK
2:23p
1h 23m
nonstop
Depart: Thu Apr 16 2015 Return: Sun Apr 19 2015 Trip spans 4 days
United
United
TPA
9:36a
IAD
11:56a
2h 20m
nonstop
IAD
1:35p
TPA
3:56p
2h 21m
nonstop
Depart: Mon May 4 2015 Return: Sat May 9 2015 Trip spans 6 days
Frontier
Frontier
MSP
5:25a
IAD
7:45a
2h 20m
nonstop
IAD
2:15a
MSP
5:00a
2h 45m
nonstop
Depart: Tue Mar 31 2015 Return: Sun Apr 5 2015 Trip spans 6 days
American Airlines
American Airlines
MIA
5:27p
DCA
7:57p
2h 30m
nonstop
DCA
4:38p
MIA
7:09p
2h 31m
nonstop
Depart: Wed Apr 29 2015 Return: Wed May 6 2015 Trip spans 8 days
Delta
Delta
MCO
1:20a
DCA
6:10a
4h 50m
1 stop
DCA
2:55a
MCO
7:33a
4h 38m
1 stop
Depart: Tue Dec 30 2014 Return: Tue Jan 6 2015 Trip spans 8 days
Frontier
Frontier
FLL
2:55p
IAD
5:20p
2h 25m
nonstop
IAD
11:25a
FLL
2:15p
2h 50m
nonstop
Depart: Wed Dec 31 2014 Return: Tue Jan 6 2015 Trip spans 7 days
Frontier
Frontier
ATL
8:05a
IAD
9:50a
1h 45m
nonstop
IAD
7:45a
ATL
9:35a
1h 50m
nonstop
Depart: Tue Jun 9 2015 Return: Tue Jun 16 2015 Trip spans 8 days
JetBlue Airways
JetBlue Airways
ORD
6:39a
DCA
11:44a
5h 05m
1 stop
DCA
2:00a
ORD
6:52a
4h 52m
1 stop
Depart: Sun Jun 7 2015 Return: Mon Jun 15 2015 Trip spans 9 days
United
United
EWR
5:50p
DCA
7:00p
1h 10m
nonstop
DCA
5:30p
EWR
6:43p
1h 13m
nonstop
Depart: Tue May 26 2015 Return: Sun May 31 2015 Trip spans 6 days
US Airways
US Airways
DEN
8:45p
DCA
3:26a
6h 41m
1 stop
DCA
1:25a
DEN
9:00a
7h 35m
1 stop
Depart: Wed Jun 24 2015 Return: Sun Jun 28 2015 Trip spans 5 days
Delta
Delta
DTW
1:25p
DCA
3:00p
1h 35m
nonstop
DCA
5:45a
DTW
7:19a
1h 34m
nonstop
Change your search
Airports
Origin

Detroit
$85
Chicago
$105
Fort Lauderdale
$205
Miami
$176
New York City
$127
Minneapolis
$155
Atlanta
$208
Orlando
$145
Newark
$239
Denver
$300
Dallas
$97
Tampa
$117
Boston
$128
Destination

Washington
only $85
only $97