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Find Flight Deals from London to Washington Dulles Intl (LON - IAD)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from London to Washington Dulles Intl

(Round-trip)
Depart: Thu Sep 10 2015 Return: Wed Sep 23 2015 Trip spans 14 days
Icelandair
Icelandair
LGW
9:10a
IAD
8:10p
11h 00m
1 stop
IAD
10:10a
LGW
2:45a
16h 35m
1 stop
Depart: Sat Sep 19 2015 Return: Wed Sep 30 2015 Trip spans 12 days
Icelandair
Icelandair
LHR
5:10p
IAD
1:45p
20h 35m
1 stop
IAD
4:35p
LHR
11:10a
18h 35m
1 stop
Depart: Sat May 9 2015 Return: Sun May 10 2015 Trip spans 2 days
United
United
LHR
6:05a
IAD
10:20p
16h 15m
1 stop
IAD
5:20a
LHR
12:55p
7h 35m
nonstop
Depart: Thu Apr 9 2015 Return: Sun Apr 26 2015 Trip spans 18 days
Aer Lingus
Aer Lingus
LHR
3:30a
IAD
4:25p
12h 55m
1 stop
IAD
6:20p
LHR
6:00a
11h 40m
1 stop
Depart: Mon Apr 13 2015 Return: Thu Apr 23 2015 Trip spans 11 days
Air Canada
Air Canada
LHR
8:05a
IAD
9:58p
13h 53m
1 stop
IAD
10:40a
LHR
11:35p
12h 55m
1 stop
Depart: Sat Apr 18 2015 Return: Sat Apr 25 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
LGW
1:10p
IAD
7:10p
30h 00m
1 stop
IAD
7:25p
LGW
12:05a
28h 40m
1 stop
Depart: Sun Apr 5 2015 Return: Mon Apr 20 2015 Trip spans 16 days
Aeroflot
Aeroflot
LHR
4:55a
IAD
1:55p
33h 00m
1 stop
IAD
11:00a
LHR
12:25p
25h 25m
1 stop
Depart: Thu May 14 2015 Return: Tue May 19 2015 Trip spans 6 days
Virgin Atlantic
Virgin Atlantic
LHR
7:00a
IAD
3:15p
8h 15m
nonstop
IAD
1:11p
LHR
11:00p
9h 49m
1 stop
Depart: Wed Aug 12 2015 Return: Sun Aug 16 2015 Trip spans 5 days
SAS
SAS
LHR
2:40a
IAD
4:00p
13h 20m
1 stop
IAD
1:15p
LHR
8:00a
18h 45m
1 stop
Depart: Sat Jul 25 2015 Return: Sun Aug 9 2015 Trip spans 16 days
Turkish Airlines
Turkish Airlines
LHR
12:30p
IAD
7:10p
30h 40m
1 stop
IAD
7:25p
LHR
12:00p
16h 35m
1 stop
Depart: Wed Jun 24 2015 Return: Sun Jun 28 2015 Trip spans 5 days
$1027
Select
Aer Lingus
Aer Lingus
LGW
5:10a
IAD
4:35p
11h 25m
1 stop
IAD
1:20p
LGW
1:00a
11h 40m
1 stop
Depart: Sun Mar 29 2015 Return: Fri Apr 17 2015 Trip spans 20 days
$1178
Select
Lufthansa
Lufthansa
LHR
5:30a
IAD
4:55p
11h 25m
1 stop
IAD
1:55p
LHR
9:20p
7h 25m
nonstop
Direct flights LON to IAD on Delta
Flight # Depart LHR Arrive IAD Sun Mon Tue Wed Thu Fri Sat Valid Between
4382 11:00 am 2:15 pm Apr 22 - May 4
4382 11:00 am 2:15 pm Mar 29 - Apr 20
Airports
Origin

London
only $633
only $610
Destination

Washington
$610