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Find Flight Deals from United States to Washington Dulles Intl

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(Round-trip)
Depart: Thu Mar 26 2015 Return: Sun Apr 26 2015 Trip spans 32 days
Frontier
Frontier
MIA
7:50a
IAD
10:20a
2h 30m
nonstop
IAD
4:30a
MIA
7:10a
2h 40m
nonstop
Depart: Tue Mar 31 2015 Return: Tue Apr 7 2015 Trip spans 8 days
Frontier
Frontier
PBI
7:30a
IAD
9:50a
2h 20m
nonstop
IAD
4:15a
PBI
6:50a
2h 35m
nonstop
Depart: Wed Apr 15 2015 Return: Mon Apr 20 2015 Trip spans 6 days
Frontier
Frontier
FLL
3:35p
IAD
6:05p
2h 30m
nonstop
IAD
12:15p
FLL
2:55p
2h 40m
nonstop
Depart: Sat May 2 2015 Return: Wed May 6 2015 Trip spans 5 days
Frontier
Frontier
DTW
8:45a
IAD
10:10a
1h 25m
nonstop
IAD
6:35a
DTW
8:05a
1h 30m
nonstop
Depart: Tue May 12 2015 Return: Sun May 31 2015 Trip spans 20 days
Frontier
Frontier
CVG
8:50a
IAD
10:15a
1h 25m
nonstop
IAD
6:35a
CVG
8:05a
1h 30m
nonstop
Depart: Tue Mar 24 2015 Return: Sun Mar 29 2015 Trip spans 6 days
United
United
CHS
2:00a
IAD
3:29a
1h 29m
nonstop
IAD
6:05p
CHS
7:47p
1h 42m
nonstop
Depart: Wed Mar 4 2015 Return: Tue Mar 17 2015 Trip spans 13 days
Frontier
Frontier
MCO
1:20p
IAD
3:25p
2h 05m
nonstop
IAD
1:15p
MCO
3:35p
2h 20m
nonstop
Depart: Tue Mar 10 2015 Return: Tue Mar 24 2015 Trip spans 15 days
Frontier
Frontier
ATL
10:30a
IAD
12:15p
1h 45m
nonstop
IAD
8:40a
ATL
10:30a
1h 50m
nonstop
Depart: Mon Mar 30 2015 Return: Sat Apr 4 2015 Trip spans 6 days
United
United
BDL
6:15a
IAD
7:43a
1h 28m
nonstop
IAD
6:05p
BDL
7:18p
1h 13m
nonstop
Depart: Sat Mar 7 2015 Return: Wed Mar 11 2015 Trip spans 4 days
Frontier
Frontier
ORD
7:35a
IAD
9:20a
1h 45m
nonstop
IAD
4:45a
ORD
6:40a
1h 55m
nonstop
Depart: Mon May 11 2015 Return: Mon May 18 2015 Trip spans 8 days
United
United
DFW
3:40a
IAD
6:36a
2h 56m
nonstop
IAD
10:28a
DFW
1:47p
3h 19m
nonstop
Depart: Sat Apr 18 2015 Return: Mon Apr 20 2015 Trip spans 3 days
United
United
JAX
5:17a
IAD
7:12a
1h 55m
nonstop
IAD
1:06p
JAX
3:07p
2h 01m
nonstop
Depart: Sat Apr 11 2015 Return: Tue Apr 14 2015 Trip spans 4 days
United
United
BOS
6:23a
IAD
8:05a
1h 42m
nonstop
IAD
8:30a
BOS
10:04a
1h 34m
nonstop
Depart: Sun Apr 19 2015 Return: Mon Apr 20 2015 Trip spans 2 days
United
United
LGA
3:22p
IAD
4:48p
1h 26m
nonstop
IAD
1:22p
LGA
2:45p
1h 23m
nonstop
Depart: Sun Apr 26 2015 Return: Tue May 5 2015 Trip spans 10 days
United
United
PVD
1:45a
IAD
3:18a
1h 33m
nonstop
IAD
6:01p
PVD
7:23p
1h 22m
nonstop
Depart: Sun May 17 2015 Return: Mon May 18 2015 Trip spans 2 days
United
United
EWR
3:39p
IAD
5:07p
1h 28m
nonstop
IAD
4:25a
EWR
5:43a
1h 18m
nonstop
Depart: Fri Jun 12 2015 Return: Sat Jun 13 2015 Trip spans 2 days
United
United
TPA
5:15a
IAD
7:26a
2h 11m
nonstop
IAD
1:35p
TPA
3:56p
2h 21m
nonstop
Depart: Tue Sep 1 2015 Return: Sun Sep 6 2015 Trip spans 6 days
Delta
Delta
JFK
4:00a
IAD
5:33a
1h 33m
nonstop
IAD
2:00a
JFK
3:20a
1h 20m
nonstop
Depart: Mon Mar 16 2015 Return: Wed Mar 18 2015 Trip spans 3 days
Delta
Delta
CLT
3:40p
IAD
7:34p
3h 54m
1 stop
IAD
3:30a
CLT
7:20a
3h 50m
1 stop
Depart: Wed Jul 29 2015 Return: Wed Aug 5 2015 Trip spans 8 days
United
United
DAY
3:27p
IAD
4:54p
1h 27m
nonstop
IAD
6:05p
DAY
7:32p
1h 27m
nonstop
Change your search
Airports
Origin

New York
only $160
only $147
Charleston
$97
Detroit
$85
Charlotte
$162
Providence
$147
Chicago
$122
Fort Lauderdale
$78
Cincinnati
$85
Dayton
$187
Miami
$78
West Palm Beach
$78
Atlanta
$98
Orlando
$98
Hartford
$107
Newark
$147
Dallas
$127
Tampa
$153
Jacksonville
$137
Boston
$141
Destination

Washington
$78