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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
1:05p
DCA
3:40p
2h 35m
nonstop
DCA
6:25a
DFW
9:55a
3h 30m
nonstop
Depart: Fri Jan 9 2015 Return: Sat Jan 10 2015 Trip spans 2 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 17 2015 Return: Tue Feb 24 2015 Trip spans 8 days
American Airlines
American Airlines
JFK
10:55a
DCA
12:16p
1h 21m
nonstop
DCA
1:05p
JFK
2:18p
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: Mon Feb 9 2015 Return: Tue Feb 10 2015 Trip spans 2 days
US Airways
US Airways
BOS
6:00a
DCA
7:36a
1h 36m
nonstop
DCA
12:30p
BOS
2:01p
1h 31m
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: Tue Feb 10 2015 Return: Sun Feb 15 2015 Trip spans 6 days
Frontier
Frontier
FLL
2:50p
IAD
5:15p
2h 25m
nonstop
IAD
11:20a
FLL
2:10p
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: Thu Mar 12 2015 Return: Mon Mar 23 2015 Trip spans 12 days
JetBlue Airways
JetBlue Airways
TPA
10:30a
DCA
12:41p
2h 11m
nonstop
DCA
7:29a
TPA
9:54a
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: Sat May 2 2015 Return: Fri May 8 2015 Trip spans 7 days
Frontier
Frontier
MSP
4:55a
IAD
7:15a
2h 20m
nonstop
IAD
2:00a
MSP
4:45a
2h 45m
nonstop
Depart: Wed Jun 24 2015 Return: Tue Jun 30 2015 Trip spans 7 days
JetBlue Airways
JetBlue Airways
JFK
5:45p
IAD
7:07p
1h 22m
nonstop
IAD
2:52a
JFK
4:13a
1h 21m
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 Mar 31 2015 Return: Wed Apr 8 2015 Trip spans 9 days
Delta
Delta
MCO
11:30a
DCA
4:10p
4h 40m
1 stop
DCA
4:00p
MCO
8:22p
4h 22m
1 stop
Depart: Tue Feb 24 2015 Return: Sat Feb 28 2015 Trip spans 5 days
Frontier
Frontier
DEN
2:47a
DCA
5:52a
3h 05m
nonstop
DCA
12:25p
DEN
4:27p
4h 02m
nonstop
Depart: Sun May 17 2015 Return: Wed May 20 2015 Trip spans 4 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: Wed Jun 10 2015 Return: Sat Jun 20 2015 Trip spans 11 days
American Airlines
American Airlines
MIA
5:27p
DCA
7:57p
2h 30m
nonstop
DCA
6:45a
MIA
9:20a
2h 35m
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
Change your search
Airports
Origin

Milwaukee
$236
Detroit
$155
Chicago
$105
Fort Lauderdale
$145
Miami
$112
New York City
$117
West Palm Beach
$215
Minneapolis
$155
Atlanta
$178
Orlando
$145
Denver
$205
Dallas
$97
Tampa
$153
Boston
$118
Destination

Washington
only $105
only $97