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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: Wed Jan 7 2015 Return: Sat Jan 10 2015 Trip spans 4 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 Jan 20 2015 Trip spans 2 days
United
United
BDL
2:26p
IAD
3:56p
1h 30m
nonstop
IAD
12:12p
BDL
1:32p
1h 20m
nonstop
Depart: Tue Jan 27 2015 Return: Mon Feb 2 2015 Trip spans 7 days
Virgin America
Virgin America
DAL
2:50a
IAD
2:10p
11h 20m
1 stop
IAD
4:00a
DAL
1:25p
9h 25m
1 stop
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: Sun Jan 25 2015 Return: Tue Jan 27 2015 Trip spans 3 days
JetBlue Airways
JetBlue Airways
BOS
1:14a
IAD
3:05a
1h 51m
nonstop
IAD
1:35p
BOS
3:01p
1h 26m
nonstop
Depart: Tue Mar 3 2015 Return: Thu Mar 5 2015 Trip spans 3 days
Frontier
Frontier
MCO
5:50a
IAD
7:55a
2h 05m
nonstop
IAD
8:35a
MCO
11:00a
2h 25m
nonstop
Depart: Thu Mar 5 2015 Return: Mon Mar 9 2015 Trip spans 4 days
Frontier
Frontier
FLL
2:55p
IAD
5:20p
2h 25m
nonstop
IAD
12:25p
FLL
3:15p
2h 50m
nonstop
Depart: Sun Jan 11 2015 Return: Wed Jan 14 2015 Trip spans 4 days
American Airlines
American Airlines
DFW
3:20p
IAD
5:53p
2h 33m
nonstop
IAD
2:28p
DFW
6:05p
3h 37m
nonstop
Depart: Tue Mar 24 2015 Return: Tue Mar 31 2015 Trip spans 8 days
United
United
TPA
9:45a
IAD
12:01p
2h 16m
nonstop
IAD
6:05p
TPA
8:30p
2h 25m
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: 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: Thu Jun 4 2015 Return: Tue Jun 9 2015 Trip spans 6 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: Sun Dec 28 2014 Return: Fri Jan 2 2015 Trip spans 6 days
Multiple Airlines
Multiple Airlines
CLT
4:25p
IAD
5:45p
1h 20m
nonstop
IAD
3:09a
CLT
4:35a
1h 26m
nonstop
Depart: Sat Dec 27 2014 Return: Mon Jan 5 2015 Trip spans 10 days
Frontier
Frontier
PBI
3:40p
IAD
6:00p
2h 20m
nonstop
IAD
11:50a
PBI
2:30p
2h 40m
nonstop
Depart: Sun Jun 7 2015 Return: Thu Jun 11 2015 Trip spans 5 days
United
United
JAX
3:15p
IAD
5:06p
1h 51m
nonstop
IAD
4:20a
JAX
6:21a
2h 01m
nonstop
Depart: Tue Jun 30 2015 Return: Tue Jul 7 2015 Trip spans 8 days
Delta
Delta
MKE
3:10a
IAD
6:46a
3h 36m
1 stop
IAD
5:40a
MKE
9:34a
3h 54m
1 stop
Change your search
Airports
Origin

Milwaukee
$256
Charleston
$77
Detroit
$95
Charlotte
$217
Chicago
$105
Fort Lauderdale
$145
Cincinnati
$95
St Louis
$155
Miami
$165
New York City
$118
West Palm Beach
$225
Atlanta
$178
Orlando
$145
New Orleans
$197
Hartford
$107
Dallas
only $147
only $114
Tampa
$153
Jacksonville
$255
Boston
$128
Destination

Washington
$77