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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: Mon Jan 12 2015 Return: Mon Jan 26 2015 Trip spans 15 days
Frontier
Frontier
TPA
6:45a
IAD
8:55a
2h 10m
nonstop
IAD
3:35a
TPA
6:05a
2h 30m
nonstop
Depart: Sat Jan 17 2015 Return: Wed Jan 21 2015 Trip spans 5 days
Frontier
Frontier
ORD
7:50a
IAD
9:40a
1h 50m
nonstop
IAD
3:20a
ORD
5:25a
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: Tue Jan 13 2015 Trip spans 6 days
Frontier
Frontier
ATL
9:20a
IAD
11:05a
1h 45m
nonstop
IAD
7:45a
ATL
9:35a
1h 50m
nonstop
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 Jan 18 2015 Return: Thu Jan 22 2015 Trip spans 5 days
United
United
BOS
4:35a
IAD
6:21a
1h 46m
nonstop
IAD
7:15a
BOS
8:47a
1h 32m
nonstop
Depart: Tue Jan 20 2015 Return: Wed Jan 21 2015 Trip spans 2 days
JetBlue Airways
JetBlue Airways
JFK
3:01a
IAD
4:20a
1h 19m
nonstop
IAD
2:45p
JFK
4:00p
1h 15m
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: Tue Dec 23 2014 Return: Thu Jan 1 2015 Trip spans 10 days
Frontier
Frontier
MIA
6:50a
IAD
9:20a
2h 30m
nonstop
IAD
3:20a
MIA
6:05a
2h 45m
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: Fri Dec 19 2014 Return: Sat Jan 3 2015 Trip spans 16 days
Frontier
Frontier
PBI
8:25a
IAD
10:45a
2h 20m
nonstop
IAD
12:20p
PBI
3:00p
2h 40m
nonstop
Depart: Mon Feb 23 2015 Return: Tue Feb 24 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: Tue Jun 9 2015 Return: Tue Jun 23 2015 Trip spans 15 days
United
United
PVD
3:12p
IAD
5:05p
1h 53m
nonstop
IAD
8:30a
PVD
10:02a
1h 32m
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: Mon Jun 1 2015 Return: Thu Jun 4 2015 Trip spans 4 days
United
United
DTW
3:05p
IAD
4:32p
1h 27m
nonstop
IAD
8:30a
DTW
10:03a
1h 33m
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: Thu Jun 11 2015 Return: Tue Jun 16 2015 Trip spans 6 days
United
United
JAX
3:15p
IAD
5:06p
1h 51m
nonstop
IAD
4:20a
JAX
6:21a
2h 01m
nonstop
Depart: Sun May 31 2015 Return: Sun Jun 21 2015 Trip spans 22 days
United
United
RDU
1:00p
IAD
2:03p
1h 03m
nonstop
IAD
11:05a
RDU
12:09p
1h 04m
nonstop
Change your search
Airports
Origin

Charleston
$77
Detroit
$205
Charlotte
$124
Providence
$184
Raleigh
$249
Chicago
$82
Fort Lauderdale
$145
Cincinnati
$85
Dayton
$207
St Louis
$135
Miami
$132
New York City
$118
West Palm Beach
$145
Atlanta
$98
Columbus
$187
Hartford
$97
Dallas
$117
Tampa
$78
Jacksonville
$207
Boston
$118
Destination

Washington
$77