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Find Deals on Flights 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: Sat 10 Oct 2015 Return: Mon 12 Oct 2015 Trip spans 3 days
£498
Select
United
United
IAD
18:25
LHR
03:40
9h 15m
1 stop
LHR
03:20
IAD
16:20
13h 00m
1 stop
Depart: Tue 3 Nov 2015 Return: Tue 10 Nov 2015 Trip spans 8 days
£508
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Turkish Airlines
Turkish Airlines
IAD
18:30
LHR
11:00
16h 30m
1 stop
LHR
17:30
IAD
18:25
24h 55m
1 stop
Depart: Mon 5 Oct 2015 Return: Tue 13 Oct 2015 Trip spans 9 days
£531
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Turkish Airlines
Turkish Airlines
IAD
19:20
LGW
00:05
28h 45m
1 stop
LGW
13:10
IAD
19:15
30h 05m
1 stop
Depart: Tue 22 Dec 2015 Return: Fri 1 Jan 2016 Trip spans 11 days
£582
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Virgin Atlantic
Virgin Atlantic
IAD
08:35
LHR
21:20
12h 45m
1 stop
LHR
05:55
IAD
14:20
8h 25m
nonstop
Depart: Mon 21 Dec 2015 Return: Wed 30 Dec 2015 Trip spans 10 days
£582
Select
Lufthansa
Lufthansa
IAD
13:40
LHR
20:50
7h 10m
nonstop
LHR
11:20
IAD
19:50
8h 30m
nonstop
Depart: Wed 23 Dec 2015 Return: Mon 28 Dec 2015 Trip spans 6 days
£582
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British Airways
British Airways
IAD
13:30
LHR
20:25
6h 55m
nonstop
LHR
06:15
IAD
14:25
8h 10m
nonstop
Depart: Sat 19 Dec 2015 Return: Tue 29 Dec 2015 Trip spans 11 days
£584
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United
United
DCA
09:36
LHR
00:15
14h 39m
1 stop
LHR
07:05
DCA
19:00
11h 55m
1 stop
Depart: Wed 25 Nov 2015 Return: Wed 9 Dec 2015 Trip spans 15 days
£600
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KLM Royal Dutch
KLM Royal Dutch
IAD
13:00
LCY
22:55
9h 55m
1 stop
LCY
04:25
IAD
15:40
11h 15m
1 stop
Depart: Sat 12 Sep 2015 Return: Sat 26 Sep 2015 Trip spans 15 days
£609
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Finnair
Finnair
IAD
14:30
LHR
21:50
7h 20m
nonstop
LHR
06:45
IAD
14:45
8h 00m
nonstop
Depart: Fri 2 Oct 2015 Return: Sun 11 Oct 2015 Trip spans 10 days
£611
Select
Iberia
Iberia
IAD
14:30
LHR
21:50
7h 20m
nonstop
LHR
06:45
IAD
14:45
8h 00m
nonstop
Depart: Wed 2 Sep 2015 Return: Mon 14 Sep 2015 Trip spans 13 days
£614
Select
Air Canada
Air Canada
DCA
02:00
LHR
12:00
10h 00m
1 stop
LHR
08:35
DCA
20:06
11h 31m
1 stop
Depart: Sun 23 Aug 2015 Return: Wed 9 Sep 2015 Trip spans 18 days
£615
Select
SAS
SAS
IAD
13:15
LHR
08:00
18h 45m
1 stop
LHR
02:40
IAD
16:00
13h 20m
1 stop
Depart: Thu 24 Sep 2015 Return: Sun 27 Sep 2015 Trip spans 4 days
£617
Select
Austrian Airlines
Austrian Airlines
IAD
14:00
LHR
09:40
43h 40m
2 stops
LHR
11:20
IAD
15:05
27h 45m
1 stop
Depart: Sun 20 Sep 2015 Return: Sat 26 Sep 2015 Trip spans 7 days
£620
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SWISS
SWISS
IAD
13:40
LHR
12:25
22h 45m
1 stop
LHR
15:30
IAD
16:00
24h 30m
1 stop
Depart: Sun 18 Oct 2015 Return: Sat 24 Oct 2015 Trip spans 7 days
£657
Select
Brussels Airlines
Brussels Airlines
IAD
13:50
LHR
12:35
22h 45m
1 stop
LHR
07:05
IAD
16:55
33h 50m
1 stop
Depart: Sun 9 Aug 2015 Return: Sun 16 Aug 2015 Trip spans 8 days
£814
Select
Aeroflot
Aeroflot
DCA
02:07
LHR
11:05
32h 58m
2 stops
LHR
07:00
DCA
23:30
40h 30m
2 stops
Depart: Thu 23 Jul 2015 Return: Sun 2 Aug 2015 Trip spans 11 days
£928
Select
Aeroflot
Aeroflot
IAD
11:00
LHR
23:00
36h 00m
1 stop
LHR
07:00
IAD
13:55
30h 55m
1 stop
Depart: Fri 17 Jul 2015 Return: Tue 21 Jul 2015 Trip spans 5 days
£980
Select
Air Canada
Air Canada
IAD
13:10
LHR
01:25
12h 15m
1 stop
LHR
14:00
IAD
08:30
18h 30m
1 stop
Depart: Sun 12 Jul 2015 Return: Mon 20 Jul 2015 Trip spans 9 days
£982
Select
Icelandair
Icelandair
IAD
10:10
LHR
11:10
25h 00m
1 stop
LHR
17:10
IAD
20:10
27h 00m
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 30 Jun - 20 Oct
228 21:30 09:55 29 Jun - 23 Oct
228 21:30 10:00 27 Jun - 22 Oct
Flight No. Departure IAD Arrival LHR Mon Tue Wed Thu Fri Sat Sun Valid between
216 18:30 06:50 27 Jun - 23 Oct
292 22:25 10:40 27 Jun - 31 Jul
292 22:25 10:40 1 Aug - 1 Aug
292 22:25 10:40 2 Aug - 23 Oct
Airports
Origin

Washington
only £498
only £584
Destination

London
only £498
only £600
only £531