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Find Flight Deals from United States to Washington Dulles Intl

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

Book cheap flights to Washington Dulles Intl

(Round-trip)
Depart: Tue Jan 13 2015 Return: Wed Jan 14 2015 Trip spans 2 days
United
United
CHS
9:37a
IAD
11:10a
1h 33m
nonstop
IAD
7:17a
CHS
9:02a
1h 45m
nonstop
Depart: Wed Jan 28 2015 Return: Wed Feb 4 2015 Trip spans 8 days
Frontier
Frontier
ORD
7:50a
IAD
9:40a
1h 50m
nonstop
IAD
1:55a
ORD
4:00a
2h 05m
nonstop
Depart: Thu Dec 25 2014 Return: Fri Dec 26 2014 Trip spans 2 days
Frontier
Frontier
CVG
4:30a
IAD
5:55a
1h 25m
nonstop
IAD
1:15a
CVG
2:50a
1h 35m
nonstop
Depart: Wed Jan 7 2015 Return: Thu Jan 8 2015 Trip spans 2 days
United
United
BDL
2:26p
IAD
3:56p
1h 30m
nonstop
IAD
7:32a
BDL
8:50a
1h 18m
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 3 2015 Return: Thu Feb 5 2015 Trip spans 3 days
Virgin America
Virgin America
DAL
3:00a
IAD
2:10p
11h 10m
1 stop
IAD
4:00a
DAL
1:25p
9h 25m
1 stop
Depart: Tue Jan 27 2015 Return: Wed Feb 11 2015 Trip spans 16 days
United
United
DFW
12:00p
IAD
2:44p
2h 44m
nonstop
IAD
12:10p
DFW
3:40p
3h 30m
nonstop
Depart: Sun Feb 8 2015 Return: Wed Feb 11 2015 Trip spans 4 days
United
United
BOS
4:35a
IAD
6:21a
1h 46m
nonstop
IAD
5:05p
BOS
6:38p
1h 33m
nonstop
Depart: Tue Feb 24 2015 Return: Wed Feb 25 2015 Trip spans 2 days
JetBlue Airways
JetBlue Airways
JFK
3:01a
IAD
4:20a
1h 19m
nonstop
IAD
3:47a
JFK
4:59a
1h 12m
nonstop
Depart: Mon Jan 5 2015 Return: Thu Jan 8 2015 Trip spans 4 days
Multiple Airlines
Multiple Airlines
CLT
9:50a
IAD
11:10a
1h 20m
nonstop
IAD
8:40a
CLT
10:03a
1h 23m
nonstop
Depart: Sun Jan 4 2015 Return: Tue Jan 6 2015 Trip spans 3 days
Frontier
Frontier
STL
9:25a
IAD
11:25a
2h 00m
nonstop
IAD
1:05p
STL
3:25p
2h 20m
nonstop
Depart: Sat Dec 20 2014 Return: Sat Jan 3 2015 Trip spans 15 days
Frontier
Frontier
PBI
3:40p
IAD
6:00p
2h 20m
nonstop
IAD
12:20p
PBI
3:00p
2h 40m
nonstop
Depart: Tue Feb 17 2015 Return: Sat Feb 21 2015 Trip spans 5 days
Frontier
Frontier
FLL
2:50p
IAD
5:15p
2h 25m
nonstop
IAD
11:20a
FLL
2:10p
2h 50m
nonstop
Depart: Fri Dec 26 2014 Return: Thu Jan 1 2015 Trip spans 7 days
United
United
TPA
4:10a
IAD
6:25a
2h 15m
nonstop
IAD
12:52p
TPA
3:17p
2h 25m
nonstop
Depart: Sat May 30 2015 Return: Mon Jun 1 2015 Trip spans 3 days
United
United
IND
3:30p
IAD
5:00p
1h 30m
nonstop
IAD
6:00p
IND
7:47p
1h 47m
nonstop
Depart: Thu Mar 26 2015 Return: Mon Mar 30 2015 Trip spans 5 days
Frontier
Frontier
ATL
10:05a
IAD
11:50a
1h 45m
nonstop
IAD
2:15p
ATL
4:10p
1h 55m
nonstop
Depart: Sat May 9 2015 Return: Sun May 10 2015 Trip spans 2 days
United
United
CMH
3:10p
IAD
4:17p
1h 07m
nonstop
IAD
8:45a
CMH
10:03a
1h 18m
nonstop
Depart: Tue May 26 2015 Return: Tue Jun 2 2015 Trip spans 8 days
United
United
DAY
6:15a
IAD
7:37a
1h 22m
nonstop
IAD
4:20a
DAY
5:49a
1h 29m
nonstop
Depart: Sat Jun 27 2015 Return: Sat Jul 4 2015 Trip spans 8 days
United
United
RDU
3:25p
IAD
4:29p
1h 04m
nonstop
IAD
1:45p
RDU
2:58p
1h 13m
nonstop
Depart: Tue May 19 2015 Return: Wed May 27 2015 Trip spans 9 days
Delta
Delta
DEN
2:30a
IAD
7:54a
5h 24m
1 stop
IAD
2:10a
DEN
8:03a
5h 53m
1 stop
Change your search
Airports
Origin

Charleston
$77
Charlotte
$124
Chicago
only $78
only $302
Fort Lauderdale
$145
Cincinnati
$85
Dayton
$207
St Louis
$135
Miami
$112
New York City
$118
West Palm Beach
$145
Atlanta
$178
Columbus
$187
Hartford
$97
Denver
$292
Dallas
only $117
only $114
Tampa
$153
Boston
$118
Indianapolis
$167
Destination

Washington
$77