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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 20 2015 Return: Wed Jan 21 2015 Trip spans 2 days
United
United
CHS
2:16p
IAD
3:42p
1h 26m
nonstop
IAD
7:17a
CHS
9:02a
1h 45m
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: 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: Mon Jan 12 2015 Return: Tue Jan 13 2015 Trip spans 2 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: Wed Jan 21 2015 Trip spans 6 days
United
United
BOS
4:35a
IAD
6:21a
1h 46m
nonstop
IAD
3:35a
BOS
5:08a
1h 33m
nonstop
Depart: Tue Feb 17 2015 Return: Tue Feb 24 2015 Trip spans 8 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: Sat Feb 28 2015 Return: Mon Mar 2 2015 Trip spans 3 days
Frontier
Frontier
TPA
4:10a
IAD
6:20a
2h 10m
nonstop
IAD
1:00a
TPA
3:30a
2h 30m
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: Mon Feb 9 2015 Return: Tue Feb 10 2015 Trip spans 2 days
Frontier
Frontier
FLL
2:50p
IAD
5:15p
2h 25m
nonstop
IAD
11:20a
FLL
2:10p
2h 50m
nonstop
Depart: Sat May 2 2015 Return: Sat May 9 2015 Trip spans 8 days
Frontier
Frontier
MSP
4:55a
IAD
7:15a
2h 20m
nonstop
IAD
2:15a
MSP
5:00a
2h 45m
nonstop
Depart: Fri Dec 26 2014 Return: Mon Jan 5 2015 Trip spans 11 days
Frontier
Frontier
PBI
3:10p
IAD
5:30p
2h 20m
nonstop
IAD
11:50a
PBI
2:30p
2h 40m
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: 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: Sun Apr 5 2015 Return: Tue Apr 28 2015 Trip spans 24 days
United
United
RDU
3:44p
IAD
4:52p
1h 08m
nonstop
IAD
1:45p
RDU
2:58p
1h 13m
nonstop
Depart: Fri Jun 26 2015 Return: Wed Jul 8 2015 Trip spans 13 days
United
United
JAX
3:15p
IAD
5:06p
1h 51m
nonstop
IAD
8:30a
JAX
10:18a
1h 48m
nonstop
Depart: Tue Jun 23 2015 Return: Sun Jun 28 2015 Trip spans 6 days
US Airways
US Airways
CLT
7:39a
IAD
9:01a
1h 22m
nonstop
IAD
3:50p
CLT
5:06p
1h 16m
nonstop
Depart: Wed May 20 2015 Return: Mon May 25 2015 Trip spans 6 days
United
United
MKE
2:55p
IAD
6:29p
3h 34m
1 stop
IAD
6:00a
MKE
9:54a
3h 54m
1 stop
Change your search
Airports
Origin

Milwaukee
$246
Charleston
$77
Detroit
$165
Charlotte
$234
Raleigh
$200
Chicago
$102
Fort Lauderdale
$145
Cincinnati
$85
Miami
$112
New York City
$118
West Palm Beach
$155
Minneapolis
$145
Atlanta
$178
Orlando
$145
Hartford
$107
Dallas
only $127
only $114
Tampa
$138
Jacksonville
$207
Boston
$118
Destination

Washington
$77