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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: Mon Jan 26 2015 Trip spans 15 days
Frontier
Frontier
TPA
6:45a
IAD
8:55a
2h 10m
nonstop
IAD
3:35a
TPA
6:05a
2h 30m
nonstop
Depart: Fri Jan 16 2015 Return: Wed Jan 21 2015 Trip spans 6 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: Tue Jan 13 2015 Trip spans 6 days
Frontier
Frontier
ATL
9:20a
IAD
11:05a
1h 45m
nonstop
IAD
7:45a
ATL
9:35a
1h 50m
nonstop
Depart: Tue Dec 23 2014 Return: Thu Jan 8 2015 Trip spans 17 days
Frontier
Frontier
MIA
6:50a
IAD
9:20a
2h 30m
nonstop
IAD
3:20a
MIA
6:05a
2h 45m
nonstop
Depart: Thu Jan 29 2015 Return: Tue Feb 3 2015 Trip spans 6 days
Frontier
Frontier
MCO
5:20a
IAD
7:25a
2h 05m
nonstop
IAD
10:15a
MCO
12:40p
2h 25m
nonstop
Depart: Tue Jan 13 2015 Return: Wed Jan 14 2015 Trip spans 2 days
Virgin America
Virgin America
DFW
9:10a
DCA
11:45a
2h 35m
nonstop
DCA
1:35p
DFW
5:05p
3h 30m
nonstop
Depart: Tue Jan 20 2015 Return: Wed Jan 21 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: Tue Jan 6 2015 Return: Wed Jan 7 2015 Trip spans 2 days
JetBlue Airways
JetBlue Airways
BOS
1:14a
IAD
3:05a
1h 51m
nonstop
IAD
3:59p
BOS
5:19p
1h 20m
nonstop
Depart: Mon Dec 22 2014 Return: Tue Jan 6 2015 Trip spans 16 days
JetBlue Airways
JetBlue Airways
TPA
12:55p
DCA
3:03p
2h 08m
nonstop
DCA
2:30p
TPA
4:57p
2h 27m
nonstop
Depart: Wed Dec 31 2014 Return: Thu Jan 8 2015 Trip spans 9 days
JetBlue Airways
JetBlue Airways
JFK
2:40a
IAD
3:58a
1h 18m
nonstop
IAD
2:45p
JFK
4:00p
1h 15m
nonstop
Depart: Thu Apr 23 2015 Return: Mon Apr 27 2015 Trip spans 5 days
Frontier
Frontier
FLL
3:55p
IAD
6:20p
2h 25m
nonstop
IAD
12:25p
FLL
3:15p
2h 50m
nonstop
Depart: Mon Mar 16 2015 Return: Thu Mar 19 2015 Trip spans 4 days
US Airways
US Airways
BOS
3:00p
DCA
4:39p
1h 39m
nonstop
DCA
3:30a
BOS
4:54a
1h 24m
nonstop
Depart: Mon Jun 1 2015 Return: Wed Jun 3 2015 Trip spans 3 days
Delta
Delta
MCO
1:00p
DCA
6:00p
5h 00m
1 stop
DCA
6:00a
MCO
10:22a
4h 22m
1 stop
Depart: Tue May 5 2015 Return: Tue May 12 2015 Trip spans 8 days
American Airlines
American Airlines
MIA
10:10a
DCA
12:48p
2h 38m
nonstop
DCA
3:00a
MIA
5:38a
2h 38m
nonstop
Depart: Sat May 30 2015 Return: Sat Jun 6 2015 Trip spans 8 days
JetBlue Airways
JetBlue Airways
FLL
4:25p
DCA
6:52p
2h 27m
nonstop
DCA
2:20a
FLL
4:51a
2h 31m
nonstop
Depart: Sat May 9 2015 Return: Mon May 11 2015 Trip spans 3 days
Delta
Delta
DTW
11:20a
DCA
12:56p
1h 36m
nonstop
DCA
5:45a
DTW
7:19a
1h 34m
nonstop
Depart: Fri Dec 19 2014 Return: Wed Dec 31 2014 Trip spans 13 days
Frontier
Frontier
DTW
3:10a
IAD
4:30a
1h 20m
nonstop
IAD
1:05a
DTW
2:45a
1h 40m
nonstop
Depart: Sun Mar 22 2015 Return: Tue Mar 24 2015 Trip spans 3 days
United
United
EWR
10:37a
DCA
12:02p
1h 25m
nonstop
DCA
12:37p
EWR
2:10p
1h 33m
nonstop
Depart: Tue Jun 30 2015 Return: Sat Jul 4 2015 Trip spans 5 days
Delta
Delta
DEN
2:30a
DCA
9:10a
6h 40m
1 stop
DCA
10:50a
DEN
6:58p
8h 08m
1 stop
Depart: Sun Jun 28 2015 Return: Thu Jul 2 2015 Trip spans 5 days
Frontier
Frontier
MSP
4:55a
IAD
7:15a
2h 20m
nonstop
IAD
2:00a
MSP
4:40a
2h 40m
nonstop
Change your search
Airports
Origin

Detroit
$205
Chicago
$82
Fort Lauderdale
$145
Miami
$102
New York City
$117
Minneapolis
$325
Atlanta
$98
Orlando
$112
Newark
$234
Denver
$292
Dallas
$117
Tampa
$78
Boston
$118
Destination

Washington
only $78
only $117