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Find Deals on Flights 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: Sat Sep 26 2015 Return: Wed Sep 30 2015 Trip spans 5 days
Frontier
Frontier
DTW
IAD
1h 21m
nonstop
IAD
DTW
1h 32m
nonstop
Depart: Tue Oct 13 2015 Return: Tue Oct 20 2015 Trip spans 8 days
Frontier
Frontier
CVG
IAD
1h 30m
nonstop
IAD
CVG
1h 40m
nonstop
Depart: Wed Aug 26 2015 Return: Tue Sep 1 2015 Trip spans 7 days
Frontier
Frontier
MIA
IAD
2h 25m
nonstop
IAD
MIA
2h 30m
nonstop
Depart: Wed Jul 29 2015 Return: Mon Aug 3 2015 Trip spans 6 days
United
United
BDL
IAD
1h 20m
nonstop
IAD
BDL
1h 17m
nonstop
Depart: Tue Aug 25 2015 Return: Tue Sep 1 2015 Trip spans 8 days
Frontier
Frontier
MEM
IAD
2h 05m
nonstop
IAD
MEM
2h 15m
nonstop
Depart: Sat Aug 29 2015 Return: Tue Sep 1 2015 Trip spans 4 days
Frontier
Frontier
ATL
IAD
1h 45m
nonstop
IAD
ATL
1h 55m
nonstop
Depart: Tue Sep 15 2015 Return: Tue Sep 22 2015 Trip spans 8 days
Frontier
Frontier
ORD
IAD
1h 50m
nonstop
IAD
ORD
2h 05m
nonstop
Depart: Wed Sep 23 2015 Return: Wed Sep 30 2015 Trip spans 8 days
Frontier
Frontier
MSP
IAD
2h 19m
nonstop
IAD
MSP
2h 45m
nonstop
Depart: Sat Sep 5 2015 Return: Mon Sep 7 2015 Trip spans 3 days
United
United
CHS
IAD
1h 28m
nonstop
IAD
CHS
1h 42m
nonstop
Depart: Tue Sep 1 2015 Return: Wed Sep 30 2015 Trip spans 30 days
United
United
CMH
IAD
1h 15m
nonstop
IAD
CMH
1h 16m
nonstop
Depart: Thu Oct 29 2015 Return: Tue Nov 10 2015 Trip spans 13 days
United
United
IND
IAD
1h 35m
nonstop
IAD
IND
1h 45m
nonstop
Depart: Wed Sep 16 2015 Return: Tue Sep 22 2015 Trip spans 7 days
Frontier
Frontier
MCO
IAD
2h 09m
nonstop
IAD
MCO
2h 10m
nonstop
Depart: Thu Aug 13 2015 Return: Sat Aug 15 2015 Trip spans 3 days
JetBlue Airways
JetBlue Airways
JFK
IAD
1h 19m
nonstop
IAD
JFK
1h 18m
nonstop
Depart: Tue Dec 1 2015 Return: Tue Dec 8 2015 Trip spans 8 days
United
United
JAX
IAD
1h 48m
nonstop
IAD
JAX
2h 01m
nonstop
Depart: Sun Sep 6 2015 Return: Wed Sep 9 2015 Trip spans 4 days
United
United
TPA
IAD
2h 14m
nonstop
IAD
TPA
2h 15m
nonstop
Depart: Tue Oct 20 2015 Return: Sat Oct 24 2015 Trip spans 5 days
JetBlue Airways
JetBlue Airways
BOS
IAD
1h 38m
nonstop
IAD
BOS
1h 25m
nonstop
Depart: Sat Oct 31 2015 Return: Sat Nov 7 2015 Trip spans 8 days
United
United
STL
IAD
1h 58m
nonstop
IAD
STL
2h 23m
nonstop
Depart: Wed Aug 12 2015 Return: Wed Aug 19 2015 Trip spans 8 days
US Airways
US Airways
PBI
IAD
3h 43m
1 stop
IAD
PBI
4h 13m
1 stop
Depart: Fri Aug 14 2015 Return: Wed Aug 19 2015 Trip spans 6 days
US Airways
US Airways
FLL
IAD
4h 03m
1 stop
IAD
FLL
4h 28m
1 stop
Depart: Sat Oct 24 2015 Return: Tue Oct 27 2015 Trip spans 4 days
Delta
Delta
MDW
IAD
3h 19m
1 stop
IAD
MDW
3h 50m
1 stop
Airports
Origin

New York
$147
Charleston
$107
Detroit
$58
Chicago
only $98
only $174
Fort Lauderdale
$171
Cincinnati
$71
St Louis
$157
Miami
$78
West Palm Beach
$171
Minneapolis
$98
Atlanta
$98
Orlando
$118
Columbus
$117
Memphis
$94
Hartford
$83
Tampa
$157
Jacksonville
$153
Boston
$157
Indianapolis
$117
Destination

Washington
$58