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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
9:37a
IAD
11:10a
1h 33m
nonstop
IAD
12:01p
CHS
1:41p
1h 40m
nonstop
Depart: Wed May 6 2015 Return: Sat May 9 2015 Trip spans 4 days
Frontier
Frontier
DTW
11:25a
IAD
12:55p
1h 30m
nonstop
IAD
8:45a
DTW
10:25a
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: 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: Tue Feb 10 2015 Return: Sat Feb 14 2015 Trip spans 5 days
United
United
BDL
2:26p
IAD
3:56p
1h 30m
nonstop
IAD
3:22a
BDL
4:42a
1h 20m
nonstop
Depart: Thu Jan 22 2015 Return: Mon Jan 26 2015 Trip spans 5 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: Wed Jan 28 2015 Return: Mon Feb 2 2015 Trip spans 6 days
Frontier
Frontier
TPA
5:15a
IAD
7:25a
2h 10m
nonstop
IAD
3:35a
TPA
6:05a
2h 30m
nonstop
Depart: Mon Jan 26 2015 Return: Wed Jan 28 2015 Trip spans 3 days
American Airlines
American Airlines
DFW
10:05a
IAD
12:46p
2h 41m
nonstop
IAD
8:07a
DFW
11:35a
3h 28m
nonstop
Depart: Mon Jan 19 2015 Return: Tue Jan 20 2015 Trip spans 2 days
JetBlue Airways
JetBlue Airways
BOS
1:14a
IAD
3:05a
1h 51m
nonstop
IAD
4:56a
BOS
6:21a
1h 25m
nonstop
Depart: Mon Feb 16 2015 Return: Wed Feb 18 2015 Trip spans 3 days
JetBlue Airways
JetBlue Airways
JFK
5:00p
IAD
6:14p
1h 14m
nonstop
IAD
2:10p
JFK
3:25p
1h 15m
nonstop
Depart: Tue Feb 17 2015 Return: Mon Feb 23 2015 Trip spans 7 days
United
United
JAX
2:32p
IAD
4:15p
1h 43m
nonstop
IAD
7:36a
JAX
9:43a
2h 07m
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: Mon May 4 2015 Return: Sat May 9 2015 Trip spans 6 days
Frontier
Frontier
MSP
5:25a
IAD
7:45a
2h 20m
nonstop
IAD
2:15a
MSP
5:00a
2h 45m
nonstop
Depart: Tue Mar 31 2015 Return: Wed Apr 1 2015 Trip spans 2 days
United
United
PVD
10:29a
IAD
12:03p
1h 34m
nonstop
IAD
8:35a
PVD
9:54a
1h 19m
nonstop
Depart: Tue Apr 28 2015 Return: Tue May 19 2015 Trip spans 22 days
United
United
DAY
2:00a
IAD
3:19a
1h 19m
nonstop
IAD
4:20a
DAY
5:49a
1h 29m
nonstop
Depart: Tue Dec 30 2014 Return: Tue Jan 6 2015 Trip spans 8 days
Frontier
Frontier
FLL
2:55p
IAD
5:20p
2h 25m
nonstop
IAD
11:25a
FLL
2:15p
2h 50m
nonstop
Depart: Wed Dec 31 2014 Return: Wed Jan 7 2015 Trip spans 8 days
Frontier
Frontier
ATL
8:05a
IAD
9:50a
1h 45m
nonstop
IAD
1:25p
ATL
3:15p
1h 50m
nonstop
Depart: Thu Jun 25 2015 Return: Sun Jun 28 2015 Trip spans 4 days
JetBlue Airways
JetBlue Airways
PWM
1:45a
IAD
4:53a
3h 08m
1 stop
IAD
4:01p
PWM
8:09p
4h 08m
1 stop
Depart: Sun Jun 21 2015 Return: Fri Jun 26 2015 Trip spans 6 days
US Airways
US Airways
CLT
5:14a
IAD
6:30a
1h 16m
nonstop
IAD
5:18a
CLT
6:44a
1h 26m
nonstop
Depart: Tue Jun 9 2015 Return: Wed Jun 17 2015 Trip spans 9 days
United
United
MCI
4:15a
IAD
6:37a
2h 22m
nonstop
IAD
4:34a
MCI
7:20a
2h 46m
nonstop
Change your search
Airports
Origin

Kansas City
$247
Charleston
$77
Detroit
$85
Charlotte
$239
Portland
$224
Providence
$167
Chicago
$105
Fort Lauderdale
$205
Cincinnati
$105
Dayton
$187
New York City
$128
Minneapolis
$155
Atlanta
$208
Orlando
$145
Hartford
$107
Dallas
only $127
only $114
Tampa
$117
Jacksonville
$137
Boston
$128
Destination

Washington
$77