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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: 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: Mon Jan 19 2015 Return: Tue Jan 27 2015 Trip spans 9 days
American Airlines
American Airlines
DFW
3:40a
IAD
6:16a
2h 36m
nonstop
IAD
2:28p
DFW
6:05p
3h 37m
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: Thu Feb 19 2015 Return: Wed Feb 25 2015 Trip spans 7 days
JetBlue Airways
JetBlue Airways
JFK
3:01a
IAD
4:20a
1h 19m
nonstop
IAD
1:45a
JFK
2:58a
1h 13m
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: 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: Sat May 9 2015 Return: Tue May 12 2015 Trip spans 4 days
Frontier
Frontier
MSP
4:55a
IAD
7:15a
2h 20m
nonstop
IAD
2:00a
MSP
4:45a
2h 45m
nonstop
Depart: Thu Apr 16 2015 Return: Sun Apr 19 2015 Trip spans 4 days
United
United
TPA
9:36a
IAD
11:56a
2h 20m
nonstop
IAD
1:35p
TPA
3:56p
2h 21m
nonstop
Depart: Sun Mar 15 2015 Return: Sun Mar 22 2015 Trip spans 8 days
US Airways
US Airways
DAY
1:25a
IAD
4:45a
3h 20m
1 stop
IAD
1:20a
DAY
4:54a
3h 34m
1 stop
Depart: Wed Dec 31 2014 Return: Fri Jan 2 2015 Trip spans 3 days
Frontier
Frontier
ATL
8:05a
IAD
9:50a
1h 45m
nonstop
IAD
5:35a
ATL
7:25a
1h 50m
nonstop
Depart: Sat Jun 20 2015 Return: Tue Jun 30 2015 Trip spans 11 days
US Airways
US Airways
PVD
1:11p
IAD
7:25p
6h 14m
1 stop
IAD
3:50p
PVD
7:58p
4h 08m
1 stop
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: Tue Jun 30 2015 Return: Sun Jul 5 2015 Trip spans 6 days
American Airlines
American Airlines
MIA
4:16p
IAD
6:53p
2h 37m
nonstop
IAD
2:05a
MIA
4:42a
2h 37m
nonstop
Depart: Tue Jun 9 2015 Return: Tue Jun 23 2015 Trip spans 15 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
Portland
$224
Providence
$218
Chicago
$105
Fort Lauderdale
$145
Cincinnati
$105
Dayton
$201
Miami
$237
New York City
$128
Minneapolis
$145
Atlanta
$208
Orlando
$145
Hartford
$107
Dallas
only $127
only $114
Tampa
$153
Jacksonville
$137
Boston
$128
Destination

Washington
$77