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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: Wed Feb 18 2015 Return: Tue Feb 24 2015 Trip spans 7 days
United
United
CHS
9:52a
IAD
11:25a
1h 33m
nonstop
IAD
7:32a
CHS
9:17a
1h 45m
nonstop
Depart: Thu Jan 29 2015 Return: Sun Feb 1 2015 Trip spans 4 days
Frontier
Frontier
MIA
6:50a
IAD
9:20a
2h 30m
nonstop
IAD
3:20a
MIA
6:05a
2h 45m
nonstop
Depart: Thu Feb 26 2015 Return: Mon Mar 2 2015 Trip spans 5 days
Frontier
Frontier
FLL
2:50p
IAD
5:15p
2h 25m
nonstop
IAD
11:25a
FLL
2:15p
2h 50m
nonstop
Depart: Fri May 1 2015 Return: Wed May 6 2015 Trip spans 6 days
Frontier
Frontier
DTW
11:25a
IAD
12:55p
1h 30m
nonstop
IAD
9:15a
DTW
10:55a
1h 40m
nonstop
Depart: Tue May 5 2015 Return: Sun May 10 2015 Trip spans 6 days
Frontier
Frontier
CVG
11:20a
IAD
12:45p
1h 25m
nonstop
IAD
8:45a
CVG
10:20a
1h 35m
nonstop
Depart: Wed Feb 4 2015 Return: Tue Feb 10 2015 Trip spans 7 days
Frontier
Frontier
ATL
3:50p
IAD
5:35p
1h 45m
nonstop
IAD
7:25a
ATL
9:20a
1h 55m
nonstop
Depart: Sat Feb 7 2015 Return: Wed Feb 11 2015 Trip spans 5 days
Frontier
Frontier
ORD
7:50a
IAD
9:40a
1h 50m
nonstop
IAD
1:55a
ORD
4:00a
2h 05m
nonstop
Depart: Mon Feb 23 2015 Return: Thu Feb 26 2015 Trip spans 4 days
United
United
BDL
2:26p
IAD
3:55p
1h 29m
nonstop
IAD
3:22a
BDL
4:40a
1h 18m
nonstop
Depart: Sun Feb 22 2015 Return: Tue Feb 24 2015 Trip spans 3 days
JetBlue Airways
JetBlue Airways
BOS
1:20a
IAD
3:11a
1h 51m
nonstop
IAD
1:29p
BOS
2:55p
1h 26m
nonstop
Depart: Thu Apr 16 2015 Return: Mon Apr 20 2015 Trip spans 5 days
United
United
JAX
3:42p
IAD
5:30p
1h 48m
nonstop
IAD
1:06p
JAX
3:07p
2h 01m
nonstop
Depart: Mon Apr 27 2015 Return: Wed Apr 29 2015 Trip spans 3 days
Frontier
Frontier
TPA
5:05a
IAD
7:15a
2h 10m
nonstop
IAD
4:15a
TPA
6:45a
2h 30m
nonstop
Depart: Fri Jan 30 2015 Return: Sun Feb 1 2015 Trip spans 3 days
Frontier
Frontier
PBI
10:55a
IAD
1:15p
2h 20m
nonstop
IAD
10:10a
PBI
12:50p
2h 40m
nonstop
Depart: Mon Feb 16 2015 Return: Tue Feb 17 2015 Trip spans 2 days
JetBlue Airways
JetBlue Airways
JFK
5:00p
IAD
6:14p
1h 14m
nonstop
IAD
2:10p
JFK
3:25p
1h 15m
nonstop
Depart: Sun May 31 2015 Return: Fri Jun 26 2015 Trip spans 27 days
Frontier
Frontier
MSP
4:55a
IAD
7:15a
2h 20m
nonstop
IAD
2:00a
MSP
4:45a
2h 45m
nonstop
Depart: Sun Feb 15 2015 Return: Tue Feb 17 2015 Trip spans 3 days
Frontier
Frontier
MCO
5:50a
IAD
7:55a
2h 05m
nonstop
IAD
2:45a
MCO
5:10a
2h 25m
nonstop
Depart: Mon Feb 2 2015 Return: Sat Feb 7 2015 Trip spans 6 days
American Airlines
American Airlines
DFW
3:20p
IAD
5:53p
2h 33m
nonstop
IAD
2:28p
DFW
6:05p
3h 37m
nonstop
Change your search
Airports
Origin

New York
$148
Charleston
$77
Detroit
$95
Chicago
$98
Fort Lauderdale
$78
Cincinnati
$95
Miami
$78
West Palm Beach
$145
Minneapolis
$155
Atlanta
$98
Orlando
$162
Hartford
$107
Dallas
$177
Tampa
$138
Jacksonville
$137
Boston
$128
Destination

Washington
$77