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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: Mon Jan 12 2015 Return: Thu Jan 15 2015 Trip spans 4 days
Virgin America
Virgin America
DFW
9:10a
DCA
11:45a
2h 35m
nonstop
DCA
1:35p
DFW
5:05p
3h 30m
nonstop
Depart: Sat Jan 24 2015 Return: Mon Jan 26 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: Thu Jan 8 2015 Return: Sun Jan 25 2015 Trip spans 18 days
Frontier
Frontier
MIA
6:50a
IAD
9:20a
2h 30m
nonstop
IAD
3:20a
MIA
6:05a
2h 45m
nonstop
Depart: Tue Feb 10 2015 Return: Wed Feb 11 2015 Trip spans 2 days
American Airlines
American Airlines
JFK
11:00a
DCA
12:21p
1h 21m
nonstop
DCA
1:10p
JFK
2:23p
1h 13m
nonstop
Depart: Sun Jan 25 2015 Return: Wed Jan 28 2015 Trip spans 4 days
United
United
BOS
4:35a
IAD
6:21a
1h 46m
nonstop
IAD
7:15a
BOS
8:47a
1h 32m
nonstop
Depart: Sun Feb 8 2015 Return: Wed Feb 11 2015 Trip spans 4 days
United
United
BOS
3:30a
DCA
9:21a
5h 51m
1 stop
DCA
6:07a
BOS
10:32a
4h 25m
1 stop
Depart: Sun Feb 22 2015 Return: Fri Feb 27 2015 Trip spans 6 days
JetBlue Airways
JetBlue Airways
JFK
4:55p
IAD
6:12p
1h 17m
nonstop
IAD
1:45a
JFK
2:58a
1h 13m
nonstop
Depart: Wed Dec 24 2014 Return: Mon Jan 5 2015 Trip spans 13 days
Frontier
Frontier
MCO
1:35p
IAD
3:40p
2h 05m
nonstop
IAD
10:15a
MCO
12:40p
2h 25m
nonstop
Depart: Sat Mar 7 2015 Return: Tue Mar 10 2015 Trip spans 3 days
Frontier
Frontier
FLL
2:55p
IAD
5:20p
2h 25m
nonstop
IAD
12:25p
FLL
3:15p
2h 50m
nonstop
Depart: Sat Dec 27 2014 Return: Thu Jan 1 2015 Trip spans 6 days
United
United
TPA
8:49a
IAD
11:01a
2h 12m
nonstop
IAD
12:52p
TPA
3:17p
2h 25m
nonstop
Depart: Fri Jan 2 2015 Return: Mon Jan 5 2015 Trip spans 4 days
Frontier
Frontier
DTW
1:10p
IAD
2:40p
1h 30m
nonstop
IAD
5:35a
DTW
7:15a
1h 40m
nonstop
Depart: Sun Dec 28 2014 Return: Fri Jan 2 2015 Trip spans 6 days
US Airways
US Airways
TPA
2:20p
DCA
4:26p
2h 06m
nonstop
DCA
12:40p
TPA
3:07p
2h 27m
nonstop
Depart: Tue Mar 24 2015 Return: Sun Mar 29 2015 Trip spans 6 days
Frontier
Frontier
ATL
10:05a
IAD
11:50a
1h 45m
nonstop
IAD
8:25a
ATL
10:20a
1h 55m
nonstop
Depart: Tue May 12 2015 Return: Mon May 18 2015 Trip spans 7 days
Delta
Delta
FLL
7:30a
DCA
12:56p
5h 26m
1 stop
DCA
4:00p
FLL
8:37p
4h 37m
1 stop
Depart: Sat May 9 2015 Return: Tue May 12 2015 Trip spans 4 days
US Airways
US Airways
MCO
1:50a
DCA
3:56a
2h 06m
nonstop
DCA
11:20a
MCO
1:39p
2h 19m
nonstop
Depart: Sun May 10 2015 Return: Sat May 16 2015 Trip spans 7 days
American Airlines
American Airlines
PBI
8:05a
DCA
10:27a
2h 22m
nonstop
DCA
4:46a
PBI
7:25a
2h 39m
nonstop
Depart: Sun Mar 29 2015 Return: Mon Mar 30 2015 Trip spans 2 days
American Airlines
American Airlines
DFW
3:15a
IAD
6:21a
3h 06m
nonstop
IAD
2:35p
DFW
5:51p
3h 16m
nonstop
Depart: Mon May 11 2015 Return: Tue May 12 2015 Trip spans 2 days
Delta
Delta
MKE
2:30p
DCA
5:58p
3h 28m
1 stop
DCA
11:00a
MKE
2:38p
3h 38m
1 stop
Depart: Tue Apr 21 2015 Return: Thu Apr 23 2015 Trip spans 3 days
American Airlines
American Airlines
ORD
5:40p
DCA
7:32p
1h 52m
nonstop
DCA
1:43a
ORD
3:45a
2h 02m
nonstop
Depart: Tue Mar 31 2015 Return: Wed Apr 1 2015 Trip spans 2 days
Frontier
Frontier
DEN
12:30p
DCA
3:45p
3h 15m
nonstop
DCA
3:14a
DEN
7:05a
3h 51m
nonstop
Change your search
Airports
Origin

Milwaukee
$236
Detroit
$155
Chicago
$102
Fort Lauderdale
$145
Miami
$112
New York City
$117
West Palm Beach
$197
Atlanta
$178
Orlando
$145
Denver
$255
Dallas
$97
Tampa
$153
Boston
$118
Destination

Washington
only $102
only $97