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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: Tue Jan 27 2015 Trip spans 8 days
United
United
CHS
2:16p
IAD
3:42p
1h 26m
nonstop
IAD
12:01p
CHS
1:41p
1h 40m
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: Mon May 11 2015 Return: Fri May 15 2015 Trip spans 5 days
Frontier
Frontier
DTW
11:25a
IAD
12:55p
1h 30m
nonstop
IAD
9:15a
DTW
10:55a
1h 40m
nonstop
Depart: Fri Dec 26 2014 Return: Sun Dec 28 2014 Trip spans 3 days
Frontier
Frontier
CLT
9:50a
IAD
11:10a
1h 20m
nonstop
IAD
2:20p
CLT
3:45p
1h 25m
nonstop
Depart: Wed Jan 7 2015 Return: Fri Jan 9 2015 Trip spans 3 days
Frontier
Frontier
ORD
7:50a
IAD
9:40a
1h 50m
nonstop
IAD
3:20a
ORD
5:25a
2h 05m
nonstop
Depart: Mon Jan 19 2015 Return: Tue Feb 3 2015 Trip spans 16 days
United
United
BDL
2:26p
IAD
3:56p
1h 30m
nonstop
IAD
3:20a
BDL
4:40a
1h 20m
nonstop
Depart: Mon Jan 26 2015 Return: Thu Jan 29 2015 Trip spans 4 days
Virgin America
Virgin America
DAL
2:50a
IAD
12:40p
9h 50m
1 stop
IAD
4:00a
DAL
1:25p
9h 25m
1 stop
Depart: Thu Jan 22 2015 Return: Sun Jan 25 2015 Trip spans 4 days
United
United
BOS
4:35a
IAD
6:21a
1h 46m
nonstop
IAD
3:35a
BOS
5:09a
1h 34m
nonstop
Depart: Tue Feb 10 2015 Return: Tue Feb 17 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: Thu Feb 26 2015 Return: Sun Mar 1 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: Wed Mar 4 2015 Trip spans 2 days
Frontier
Frontier
MCO
5:50a
IAD
7:55a
2h 05m
nonstop
IAD
10:15a
MCO
12:40p
2h 25m
nonstop
Depart: Thu Apr 16 2015 Return: Sun Apr 19 2015 Trip spans 4 days
United
United
TPA
2:40p
IAD
4:53p
2h 13m
nonstop
IAD
8:40a
TPA
10:45a
2h 05m
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 27 2014 Return: Sat Jan 3 2015 Trip spans 8 days
Frontier
Frontier
PBI
3:40p
IAD
6:00p
2h 20m
nonstop
IAD
12:20p
PBI
3:00p
2h 40m
nonstop
Depart: Tue Dec 30 2014 Return: Tue Jan 6 2015 Trip spans 8 days
Frontier
Frontier
MIA
6:50a
IAD
9:20a
2h 30m
nonstop
IAD
3:20a
MIA
6:05a
2h 45m
nonstop
Depart: Tue May 19 2015 Return: Tue May 26 2015 Trip spans 8 days
Frontier
Frontier
ATL
11:30a
IAD
1:15p
1h 45m
nonstop
IAD
8:10a
ATL
10:05a
1h 55m
nonstop
Depart: Tue Apr 28 2015 Return: Sat May 2 2015 Trip spans 5 days
United
United
MSY
3:53a
IAD
6:26a
2h 33m
nonstop
IAD
4:30a
MSY
7:10a
2h 40m
nonstop
Depart: Mon May 18 2015 Return: Mon May 25 2015 Trip spans 8 days
United
United
DFW
12:55p
IAD
4:05p
3h 10m
nonstop
IAD
1:30p
DFW
4:49p
3h 19m
nonstop
Depart: Fri Jun 12 2015 Return: Sat Jun 13 2015 Trip spans 2 days
United
United
JAX
3:15p
IAD
5:06p
1h 51m
nonstop
IAD
8:30a
JAX
10:18a
1h 48m
nonstop
Depart: Sun May 24 2015 Return: Sat Jun 6 2015 Trip spans 14 days
Multiple Airlines
Multiple Airlines
RDU
10:17a
IAD
11:26a
1h 09m
nonstop
IAD
12:15p
RDU
5:20p
5h 05m
1 stop
Change your search
Airports
Origin

Charleston
$77
Detroit
$95
Charlotte
$103
Raleigh
$226
Chicago
$105
Fort Lauderdale
$145
Cincinnati
$85
St Louis
$155
Miami
$165
New York City
$118
West Palm Beach
$165
Atlanta
$178
Orlando
$145
New Orleans
$197
Hartford
$107
Dallas
only $197
only $113
Tampa
$153
Jacksonville
$207
Boston
$118
Destination

Washington
$77