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Find Flight Deals from Washington to London (WAS - LON)

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

Book cheap flights from Washington to London

(Round-trip)
Depart: Sat Oct 31 2015 Return: Mon Nov 9 2015 Trip spans 10 days
Turkish Airlines
Turkish Airlines
IAD
8:30p
LGW
12:25a
28h 55m
1 stop
LGW
12:20p
IAD
6:25p
30h 05m
1 stop
Depart: Sat Sep 5 2015 Return: Sun Sep 27 2015 Trip spans 23 days
Aeroflot
Aeroflot
IAD
11:00a
LHR
12:25p
25h 25m
1 stop
LHR
6:45p
IAD
1:55p
19h 10m
1 stop
Depart: Wed Sep 16 2015 Return: Thu Sep 24 2015 Trip spans 9 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 Oct 30 2015 Return: Mon Nov 9 2015 Trip spans 11 days
Turkish Airlines
Turkish Airlines
IAD
8:30p
LHR
1:00p
16h 30m
1 stop
LHR
1:00p
IAD
6:25p
29h 25m
1 stop
Depart: Tue Oct 27 2015 Return: Tue Nov 3 2015 Trip spans 8 days
Icelandair
Icelandair
IAD
4:45p
LGW
3:15a
10h 30m
1 stop
LGW
7:30a
IAD
6:30p
11h 00m
1 stop
Depart: Sat Aug 15 2015 Return: Sun Aug 16 2015 Trip spans 2 days
SAS
SAS
IAD
1:15p
LHR
7:00a
17h 45m
1 stop
LHR
5:05p
IAD
4:00p
22h 55m
2 stops
Depart: Mon May 25 2015 Return: Mon Jun 8 2015 Trip spans 15 days
Aer Lingus
Aer Lingus
IAD
1:20p
LGW
3:05a
13h 45m
1 stop
LGW
5:10a
IAD
4:35p
11h 25m
1 stop
Depart: Fri Jun 12 2015 Return: Mon Jun 15 2015 Trip spans 4 days
Aer Lingus
Aer Lingus
IAD
1:20p
LHR
12:05a
10h 45m
1 stop
LHR
3:30a
IAD
4:35p
13h 05m
1 stop
Depart: Wed May 27 2015 Return: Sun May 31 2015 Trip spans 5 days
Aer Lingus
Aer Lingus
IAD
1:20p
LCY
1:00a
11h 40m
1 stop
LCY
3:20p
IAD
4:35p
25h 15m
1 stop
Depart: Wed Jun 10 2015 Return: Fri Jun 12 2015 Trip spans 3 days
United
United
IAD
6:20p
LHR
6:55a
12h 35m
1 stop
LHR
3:20a
IAD
4:00p
12h 40m
1 stop
Depart: Fri May 1 2015 Return: Mon May 4 2015 Trip spans 4 days
$1036
Select
Virgin Atlantic
Virgin Atlantic
IAD
2:55p
LHR
10:20p
7h 25m
nonstop
LHR
7:00a
IAD
3:15p
8h 15m
nonstop
Depart: Thu May 21 2015 Return: Mon Jun 8 2015 Trip spans 19 days
$1067
Select
Air Canada
Air Canada
IAD
8:36a
LHR
2:05a
17h 29m
2 stops
LHR
4:30a
IAD
9:48p
17h 18m
2 stops
Depart: Tue Jun 30 2015 Return: Tue Jul 7 2015 Trip spans 8 days
$1151
Select
Aeroflot
Aeroflot
DCA
2:00a
LHR
12:25p
34h 25m
2 stops
LHR
6:45p
DCA
11:31p
28h 46m
2 stops
Depart: Sat Jun 27 2015 Return: Thu Jul 16 2015 Trip spans 20 days
$1183
Select
Major Airline
Major Airline
IAD
1:00p
LHR
10:00a
21h 00m
1 stop
LHR
5:00a
IAD
4:00p
35h 00m
1 stop
Direct flights WAS 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 Jun 2 - Sep 10
4383 6:55 pm 7:20 am Jun 1 - Sep 11
4383 6:55 pm 7:20 am May 5 - May 31
Airports
Origin

Washington
only $716
only $1151
Destination

London
only $811
only $970
only $716