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Find flight deals from Washington to London (WAS - LON)

Flexible dates? Here are the best fares found in the past 48 hours...

Book cheap flights from Washington to London

(Round-trip)
Depart: Sun 3 May 2015 Return: Mon 11 May 2015 Trip spans 9 days
£521
Select
Turkish Airlines
Turkish Airlines
IAD
19:25
LGW
01:50
30h 25m
1 stop
LGW
13:10
IAD
19:10
30h 00m
1 stop
Depart: Fri 28 Aug 2015 Return: Sat 12 Sep 2015 Trip spans 16 days
£627
Select
Icelandair
Icelandair
IAD
16:35
LHR
11:10
18h 35m
1 stop
LHR
17:10
IAD
20:10
27h 00m
1 stop
Depart: Thu 2 Apr 2015 Return: Wed 8 Apr 2015 Trip spans 7 days
£641
Select
British Airways
British Airways
IAD
18:25
LHR
01:40
7h 15m
nonstop
LHR
06:45
IAD
14:45
8h 00m
nonstop
Depart: Thu 21 May 2015 Return: Sun 31 May 2015 Trip spans 11 days
£641
Select
SAS
SAS
IAD
13:15
LHR
04:05
14h 50m
1 stop
LHR
13:00
IAD
16:00
27h 00m
1 stop
Depart: Fri 29 May 2015 Return: Sat 13 Jun 2015 Trip spans 16 days
£645
Select
Air Canada
Air Canada
DCA
02:00
LHR
12:00
10h 00m
1 stop
LHR
10:10
DCA
22:02
11h 52m
1 stop
Depart: Fri 22 May 2015 Return: Thu 28 May 2015 Trip spans 7 days
£646
Select
Lufthansa
Lufthansa
IAD
05:20
LHR
12:55
7h 35m
nonstop
LHR
08:05
IAD
16:10
8h 05m
nonstop
Depart: Fri 15 May 2015 Return: Mon 18 May 2015 Trip spans 4 days
£658
Select
Austrian Airlines
Austrian Airlines
IAD
13:40
LHR
09:40
44h 00m
2 stops
LHR
02:00
IAD
15:05
13h 05m
1 stop
Depart: Wed 24 Jun 2015 Return: Tue 30 Jun 2015 Trip spans 7 days
£684
Select
Aeromexico
Aeromexico
IAD
21:00
LHR
07:05
34h 05m
1 stop
LHR
18:35
IAD
00:44
30h 09m
1 stop
Depart: Fri 31 Jul 2015 Return: Mon 10 Aug 2015 Trip spans 11 days
£731
Select
Aeroflot
Aeroflot
DCA
02:00
LHR
03:05
25h 05m
2 stops
LHR
18:15
DCA
23:06
28h 51m
2 stops
Depart: Sat 20 Jun 2015 Return: Wed 5 Aug 2015 Trip spans 47 days
£756
Select
Aeroflot
Aeroflot
IAD
11:00
LHR
03:05
16h 05m
1 stop
LHR
18:45
IAD
13:55
19h 10m
1 stop
Direct flights WAS - LON on British Airways
Flight No. Departure BWI Arrival LHR Mon Tue Wed Thu Fri Sat Sun Valid between
228 21:30 09:50 31 Mar - 13 Oct
228 21:30 09:55 30 Mar - 16 Oct
228 21:30 10:00 28 Mar - 18 Oct
Flight No. Departure IAD Arrival LHR Mon Tue Wed Thu Fri Sat Sun Valid between
216 18:30 06:50 29 Mar - 18 Oct
292 22:25 10:40 29 Mar - 27 Apr
292 22:25 10:40 28 Apr - 28 Apr
292 22:25 10:40 29 Apr - 18 Oct
Airports
Origin

Washington
only £521
only £645
Destination

London
only £627
only £521