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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: 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: Wed Feb 11 2015 Trip spans 2 days
JetBlue Airways
JetBlue Airways
BOS
1:35p
IAD
3:21p
1h 46m
nonstop
IAD
4:56a
BOS
6:21a
1h 25m
nonstop
Depart: Tue Feb 17 2015 Return: Tue Feb 24 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: Tue Mar 10 2015 Return: Mon Mar 16 2015 Trip spans 7 days
United
United
JAX
3:37p
IAD
5:20p
1h 43m
nonstop
IAD
6:02p
JAX
7:59p
1h 57m
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: Sat May 9 2015 Return: Sun May 10 2015 Trip spans 2 days
Frontier
Frontier
MSP
4:55a
IAD
7:15a
2h 20m
nonstop
IAD
2:15a
MSP
5:00a
2h 45m
nonstop
Depart: Tue Mar 24 2015 Return: Tue Apr 21 2015 Trip spans 29 days
United
United
TPA
9:45a
IAD
12:01p
2h 16m
nonstop
IAD
8:40a
TPA
10:45a
2h 05m
nonstop
Depart: Tue Dec 30 2014 Return: Thu Jan 8 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: 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: Wed Dec 31 2014 Return: Mon Jan 5 2015 Trip spans 6 days
Frontier
Frontier
PBI
3:10p
IAD
5:30p
2h 20m
nonstop
IAD
11:50a
PBI
2:30p
2h 40m
nonstop
Depart: Thu Apr 23 2015 Return: Sat Apr 25 2015 Trip spans 3 days
US Airways
US Airways
CLT
5:14a
IAD
6:30a
1h 16m
nonstop
IAD
3:50p
CLT
5:06p
1h 16m
nonstop
Depart: Mon May 25 2015 Return: Fri May 29 2015 Trip spans 5 days
United
United
DFW
12:55p
IAD
4:05p
3h 10m
nonstop
IAD
4:30a
DFW
7:37a
3h 07m
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: Mon Jun 15 2015 Return: Mon Jun 22 2015 Trip spans 8 days
US Airways
US Airways
DAY
3:45p
IAD
7:25p
3h 40m
1 stop
IAD
12:15p
DAY
5:11p
4h 56m
1 stop
Change your search
Airports
Origin

Charleston
$77
Detroit
$85
Charlotte
$203
Providence
$218
Chicago
$105
Fort Lauderdale
$145
Cincinnati
$95
Dayton
$222
Miami
$165
New York City
$118
West Palm Beach
$185
Minneapolis
$145
Atlanta
$178
Orlando
$145
Hartford
$107
Dallas
only $217
only $114
Tampa
$153
Jacksonville
$137
Boston
$118
Destination

Washington
$77