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

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

Book cheap flights from Washington Dulles Intl to London

(Round-trip)
Depart: Sat Oct 31 2015 Return: Tue Nov 10 2015 Trip spans 11 days
Turkish Airlines
Turkish Airlines
IAD
8:30p
LGW
12:25a
28h 55m
1 stop
LGW
7:40a
IAD
6:25p
34h 45m
1 stop
Depart: Mon Apr 27 2015 Return: Sun May 3 2015 Trip spans 7 days
Aeroflot
Aeroflot
IAD
11:00a
LHR
3:05a
16h 05m
1 stop
LHR
9:25a
IAD
1:55p
28h 30m
1 stop
Depart: Wed Oct 14 2015 Return: Tue Oct 20 2015 Trip spans 7 days
Turkish Airlines
Turkish Airlines
IAD
7:25p
LHR
1:30p
18h 05m
1 stop
LHR
12:30p
IAD
7:10p
30h 40m
1 stop
Depart: Fri May 8 2015 Return: Wed May 13 2015 Trip spans 6 days
Aer Lingus
Aer Lingus
IAD
1:20p
LGW
11:25p
10h 05m
1 stop
LGW
5:10a
IAD
4:35p
11h 25m
1 stop
Depart: Fri Sep 25 2015 Return: Thu Oct 1 2015 Trip spans 7 days
Icelandair
Icelandair
IAD
4:35p
LGW
2:35a
10h 00m
1 stop
LGW
9:10a
IAD
8:10p
11h 00m
1 stop
Depart: Fri Aug 28 2015 Return: Sat Aug 29 2015 Trip spans 2 days
SAS
SAS
IAD
1:15p
LHR
2:25a
13h 10m
1 stop
LHR
2:00p
IAD
4:00p
26h 00m
2 stops
Depart: Wed Sep 2 2015 Return: Thu Sep 24 2015 Trip spans 23 days
Icelandair
Icelandair
IAD
10:10a
LHR
11:10a
25h 00m
1 stop
LHR
9:00a
IAD
8:10p
11h 10m
1 stop
Depart: Fri May 15 2015 Return: Mon May 18 2015 Trip spans 4 days
Aer Lingus
Aer Lingus
IAD
1:20p
LHR
11:05p
9h 45m
1 stop
LHR
5:50a
IAD
4:35p
10h 45m
1 stop
Depart: Mon Jun 15 2015 Return: Wed Jun 17 2015 Trip spans 3 days
United
United
IAD
6:20p
LHR
3:40a
9h 20m
1 stop
LHR
3:20a
IAD
8:00p
16h 40m
1 stop
Depart: Sat May 9 2015 Return: Sat May 16 2015 Trip spans 8 days
$1138
Select
Lufthansa
Lufthansa
IAD
5:20a
LHR
12:55p
7h 35m
nonstop
LHR
3:30a
IAD
12:10p
8h 40m
nonstop
Depart: Sat May 16 2015 Return: Wed May 27 2015 Trip spans 12 days
$1146
Select
Air Canada
Air Canada
IAD
8:36a
LHR
9:25p
12h 49m
2 stops
LHR
4:30a
IAD
7:13p
14h 43m
1 stop
Depart: Wed Sep 30 2015 Return: Mon Oct 5 2015 Trip spans 6 days
$1275
Select
Aeromexico
Aeromexico
IAD
9:00p
LHR
7:05a
34h 05m
1 stop
LHR
6:35p
IAD
12:44a
30h 09m
1 stop
Direct flights IAD to LON on Delta
Flight # Depart IAD Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
4383 6:55 pm 7:20 am May 5 - May 31
4383 6:55 pm 7:20 am Jun 1 - Sep 11
4383 6:55 pm 7:20 am Jun 2 - Sep 10
4383 6:55 pm 7:20 am Apr 22 - May 4
Airports
Origin

Washington
$756
Destination

London
only $817
only $756