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

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

Book cheap flights from Washington DC to London

(Round-trip)
Depart: Sat, 10 May, 2014 Return: Mon, 12 May, 2014 Trip spans 3 days
United
IAD
08:20
LHR
22:30
14h 10m
1 stop
LHR
03:00
IAD
15:55
12h 55m
1 stop
Depart: Sat, 10 May, 2014 Return: Thu, 5 Jun, 2014 Trip spans 27 days
US Airways
DCA
17:00
LHR
01:00
32h 00m
1 stop
LHR
08:15
DCA
18:57
10h 42m
1 stop
Depart: Sat, 3 May, 2014 Return: Tue, 13 May, 2014 Trip spans 11 days
Aer Lingus
IAD
18:20
LGW
13:05
18h 45m
1 stop
LGW
03:10
IAD
16:30
13h 20m
1 stop
Depart: Tue, 6 May, 2014 Return: Mon, 12 May, 2014 Trip spans 7 days
SWISS
IAD
13:45
LCY
07:40
17h 55m
1 stop
LCY
08:25
IAD
15:55
31h 30m
1 stop
Depart: Sat, 3 May, 2014 Return: Fri, 9 May, 2014 Trip spans 7 days
Aeroflot
IAD
10:55
LHR
03:05
16h 10m
1 stop
LHR
07:00
IAD
14:05
31h 05m
1 stop
Depart: Thu, 8 May, 2014 Return: Mon, 26 May, 2014 Trip spans 19 days
British Airways
IAD
18:35
LHR
01:50
7h 15m
direct
LHR
05:40
IAD
13:40
8h 00m
direct
Depart: Sat, 10 May, 2014 Return: Thu, 5 Jun, 2014 Trip spans 27 days
Lufthansa
IAD
05:25
LHR
12:55
7h 30m
direct
LHR
03:30
IAD
11:55
8h 25m
direct
Depart: Thu, 8 May, 2014 Return: Mon, 26 May, 2014 Trip spans 19 days
Air Canada
DCA
02:00
LHR
12:00
10h 00m
1 stop
LHR
08:05
DCA
19:02
10h 57m
1 stop
Depart: Sun, 11 May, 2014 Return: Mon, 19 May, 2014 Trip spans 9 days
Iberia
IAD
14:30
LHR
21:40
7h 10m
direct
LHR
05:40
IAD
13:40
8h 00m
direct
Depart: Wed, 14 May, 2014 Return: Wed, 21 May, 2014 Trip spans 8 days
American Airlines
DCA
13:50
LHR
00:00
10h 10m
1 stop
LHR
11:55
DCA
23:25
11h 30m
1 stop
Depart: Wed, 14 May, 2014 Return: Thu, 22 May, 2014 Trip spans 9 days
United
DCA
12:41
LHR
01:10
12h 29m
1 stop
LHR
12:00
DCA
00:18
12h 18m
1 stop
Depart: Tue, 2 Sep, 2014 Return: Thu, 25 Sep, 2014 Trip spans 24 days
Icelandair
IAD
16:35
LHR
11:10
18h 35m
1 stop
LHR
09:00
IAD
20:10
11h 10m
1 stop
Depart: Wed, 14 May, 2014 Return: Tue, 20 May, 2014 Trip spans 7 days
SWISS
IAD
13:20
LHR
12:15
22h 55m
1 stop
LHR
13:15
IAD
15:55
26h 40m
1 stop
Depart: Mon, 12 May, 2014 Return: Sun, 18 May, 2014 Trip spans 7 days
Brussels Airlines
IAD
13:25
LHR
08:05
18h 40m
1 stop
LHR
13:50
IAD
15:35
25h 45m
1 stop
Depart: Sun, 24 Aug, 2014 Return: Thu, 4 Sep, 2014 Trip spans 12 days
Turkish Airlines
IAD
19:25
LGW
02:35
31h 10m
1 stop
LGW
08:40
IAD
19:10
34h 30m
1 stop
Depart: Fri, 9 May, 2014 Return: Sun, 11 May, 2014 Trip spans 3 days
United
IAD
12:51
LHR
22:40
9h 49m
1 stop
LHR
03:00
IAD
15:55
12h 55m
1 stop
Depart: Sun, 11 May, 2014 Return: Mon, 19 May, 2014 Trip spans 9 days
United
IAD
05:25
LHR
12:55
7h 30m
1 stop
LHR
04:50
IAD
16:30
11h 40m
1 stop
Depart: Mon, 12 May, 2014 Return: Mon, 19 May, 2014 Trip spans 8 days
United
IAD
04:30
LHR
22:30
18h 00m
1 stop
LHR
04:50
IAD
16:30
11h 40m
1 stop
Depart: Mon, 18 Aug, 2014 Return: Wed, 3 Sep, 2014 Trip spans 17 days
Aeroflot
IAD
10:45
LHR
12:25
25h 40m
1 stop
LHR
18:45
IAD
13:55
19h 10m
1 stop
Depart: Mon, 12 May, 2014 Return: Mon, 19 May, 2014 Trip spans 8 days
Iberia
IAD
14:30
LHR
21:40
7h 10m
direct
LHR
05:40
IAD
13:40
8h 00m
direct
Change your search
Direct flights WAS - LON on British Airways
Flight No. Departure BWI Arrival LHR Sun Mon Tue Wed Thu Fri Sat Valid between
228 21:30 09:50 21 Apr - 6 May
228 21:30 09:50 9 May - 24 Oct
228 21:40 10:00 19 Apr - 4 May
228 21:40 10:00 7 May - 23 Oct
Flight No. Departure IAD Arrival LHR Sun Mon Tue Wed Thu Fri Sat Valid between
216 18:30 06:40 20 May - 25 May
216 18:30 06:40 19 Apr - 6 May
216 18:30 06:40 21 May - 31 May
216 18:30 06:40 1 Jun - 31 Aug
216 18:30 06:40 7 May - 19 May
264 20:45 08:55 24 May - 7 Jun
264 20:45 08:55 5 May - 5 May
264 20:45 09:00 22 May - 21 Aug
264 20:45 08:55 21 May - 26 May
264 20:45 08:55 7 May - 19 May
264 20:45 08:55 28 Apr - 3 May
264 20:45 09:00 1 May - 1 May
264 20:45 09:00 8 May - 15 May
292 22:35 10:50 9 May - 17 May
292 22:35 10:50 28 May - 6 Jun
292 22:35 10:50 20 May - 23 May
292 22:35 10:50 27 Apr - 3 May
292 22:35 10:50 27 May - 3 Jun
292 22:35 10:50 29 Apr - 4 May
292 22:35 10:50 5 May - 6 May
292 22:35 10:50 7 May - 15 May
292 22:35 10:50 18 May - 26 May
Airports
Origin

Washington
only £591
only £568
Destination

London
only £604
only £619
only £568