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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 Feb 10 2015 Return: Tue Feb 17 2015 Trip spans 8 days
United
United
CHS
9:37a
IAD
11:10a
1h 33m
nonstop
IAD
12:14p
CHS
1:54p
1h 40m
nonstop
Depart: Wed Jan 28 2015 Return: Mon Feb 2 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: Fri Jan 2 2015 Return: Mon Jan 5 2015 Trip spans 4 days
Frontier
Frontier
CVG
3:30a
IAD
4:55a
1h 25m
nonstop
IAD
1:15a
CVG
2:50a
1h 35m
nonstop
Depart: Tue Jan 6 2015 Return: Thu Jan 8 2015 Trip spans 3 days
United
United
BDL
2:26p
IAD
3:56p
1h 30m
nonstop
IAD
3:20a
BDL
4:40a
1h 20m
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: Mon Feb 2 2015 Return: Wed Feb 4 2015 Trip spans 3 days
Virgin America
Virgin America
DAL
3:00a
IAD
12:40p
9h 40m
1 stop
IAD
4:00a
DAL
1:25p
9h 25m
1 stop
Depart: Fri Jan 16 2015 Return: Tue Jan 20 2015 Trip spans 5 days
United
United
BOS
4:35a
IAD
6:21a
1h 46m
nonstop
IAD
3:35a
BOS
5:08a
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 19 2015 Return: Wed Jan 21 2015 Trip spans 3 days
American Airlines
American Airlines
DFW
3:20p
IAD
5:53p
2h 33m
nonstop
IAD
2:28p
DFW
6:05p
3h 37m
nonstop
Depart: Thu Dec 25 2014 Return: Thu Jan 1 2015 Trip spans 8 days
Multiple Airlines
Multiple Airlines
TPA
1:49p
IAD
4:05p
2h 16m
nonstop
IAD
11:20a
TPA
1:50p
2h 30m
nonstop
Depart: Mon Dec 22 2014 Return: Sat Jan 3 2015 Trip spans 13 days
Frontier
Frontier
PBI
3:10p
IAD
5:30p
2h 20m
nonstop
IAD
12:20p
PBI
3:00p
2h 40m
nonstop
Depart: Thu Feb 12 2015 Return: Sun Feb 15 2015 Trip spans 4 days
Frontier
Frontier
FLL
2:50p
IAD
5:15p
2h 25m
nonstop
IAD
11:20a
FLL
2:10p
2h 50m
nonstop
Depart: Tue Mar 3 2015 Return: Sun Mar 8 2015 Trip spans 5 days
Frontier
Frontier
MCO
5:50a
IAD
7:55a
2h 05m
nonstop
IAD
3:45a
MCO
6:10a
2h 25m
nonstop
Depart: Wed May 6 2015 Return: Fri May 8 2015 Trip spans 3 days
Frontier
Frontier
DTW
11:25a
IAD
12:55p
1h 30m
nonstop
IAD
9:15a
DTW
10:55a
1h 40m
nonstop
Depart: Mon Jun 1 2015 Return: Wed Jun 3 2015 Trip spans 3 days
United
United
IND
3:30p
IAD
5:00p
1h 30m
nonstop
IAD
8:30a
IND
10:11a
1h 41m
nonstop
Depart: Tue Mar 24 2015 Return: Mon Mar 30 2015 Trip spans 7 days
Frontier
Frontier
ATL
10:05a
IAD
11:50a
1h 45m
nonstop
IAD
2:15p
ATL
4:10p
1h 55m
nonstop
Depart: Sun Mar 29 2015 Return: Wed Apr 1 2015 Trip spans 4 days
United
United
PVD
10:29a
IAD
12:03p
1h 34m
nonstop
IAD
8:35a
PVD
9:54a
1h 19m
nonstop
Depart: Tue May 12 2015 Return: Tue May 19 2015 Trip spans 8 days
United
United
EWR
9:23a
IAD
10:53a
1h 30m
nonstop
IAD
2:00a
EWR
3:20a
1h 20m
nonstop
Depart: Mon May 11 2015 Return: Thu May 14 2015 Trip spans 4 days
United
United
DAY
2:00a
IAD
3:19a
1h 19m
nonstop
IAD
8:30a
DAY
9:56a
1h 26m
nonstop
Depart: Sat Apr 18 2015 Return: Wed Apr 22 2015 Trip spans 5 days
United
United
MCI
4:15a
IAD
6:37a
2h 22m
nonstop
IAD
4:34a
MCI
7:20a
2h 46m
nonstop
Change your search
Airports
Origin

Kansas City
$247
Charleston
$77
Detroit
$165
Providence
$197
Chicago
$92
Fort Lauderdale
$145
Cincinnati
$95
Dayton
$207
Miami
$112
New York City
$118
West Palm Beach
$145
Atlanta
$178
Orlando
$155
Hartford
$97
Newark
$204
Dallas
only $127
only $114
Tampa
$133
Boston
$118
Indianapolis
$167
Destination

Washington
$77