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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: Sat, 20 Sep, 2014 Return: Sat, 4 Oct, 2014 Trip spans 15 days
Icelandair
Icelandair
IAD
16:35
LHR
11:10
18h 35m
1 stop
LHR
17:10
IAD
20:10
27h 00m
1 stop
Depart: Sun, 21 Sep, 2014 Return: Sat, 4 Oct, 2014 Trip spans 14 days
Icelandair
Icelandair
IAD
16:35
LHR
11:10
18h 35m
1 stop
LHR
17:10
IAD
20:10
27h 00m
1 stop
Depart: Tue, 23 Sep, 2014 Return: Sat, 4 Oct, 2014 Trip spans 12 days
Icelandair
Icelandair
IAD
16:35
LHR
11:10
18h 35m
1 stop
LHR
17:10
IAD
20:10
27h 00m
1 stop
Depart: Thu, 11 Sep, 2014 Return: Sun, 14 Sep, 2014 Trip spans 4 days
Turkish Airlines
Turkish Airlines
IAD
19:25
LGW
02:35
31h 10m
1 stop
LGW
13:10
IAD
19:10
30h 00m
1 stop
Depart: Mon, 22 Sep, 2014 Return: Mon, 6 Oct, 2014 Trip spans 15 days
Iberia
Iberia
IAD
16:45
LHR
23:55
7h 10m
direct
LHR
05:55
IAD
13:55
8h 00m
direct
Depart: Wed, 3 Sep, 2014 Return: Wed, 10 Sep, 2014 Trip spans 8 days
British Airways
British Airways
IAD
14:30
LHR
21:40
7h 10m
direct
LHR
05:45
IAD
13:45
8h 00m
direct
Depart: Wed, 17 Sep, 2014 Return: Wed, 24 Sep, 2014 Trip spans 8 days
Iberia
Iberia
IAD
14:30
LHR
21:40
7h 10m
direct
LHR
05:45
IAD
13:45
8h 00m
direct
Depart: Thu, 28 Aug, 2014 Return: Wed, 10 Sep, 2014 Trip spans 14 days
United
United
IAD
05:30
LHR
12:55
7h 25m
direct
LHR
12:20
IAD
20:45
8h 25m
direct
Depart: Sun, 31 Aug, 2014 Return: Tue, 9 Sep, 2014 Trip spans 10 days
SWISS
SWISS
IAD
13:30
LHR
23:15
33h 45m
1 stop
LHR
13:15
IAD
16:05
26h 50m
1 stop
Depart: Fri, 19 Sep, 2014 Return: Mon, 6 Oct, 2014 Trip spans 18 days
United
United
IAD
05:20
LHR
12:55
7h 35m
1 stop
LHR
03:00
IAD
16:05
13h 05m
1 stop
Depart: Sun, 24 Aug, 2014 Return: Wed, 3 Sep, 2014 Trip spans 11 days
Brussels Airlines
Brussels Airlines
IAD
18:25
LHR
08:05
13h 40m
1 stop
LHR
02:50
IAD
15:20
12h 30m
1 stop
Depart: Tue, 2 Sep, 2014 Return: Thu, 11 Sep, 2014 Trip spans 10 days
Brussels Airlines
Brussels Airlines
IAD
18:25
LHR
00:25
30h 00m
1 stop
LHR
02:50
IAD
15:30
12h 40m
1 stop
Depart: Fri, 12 Sep, 2014 Return: Sun, 21 Sep, 2014 Trip spans 10 days
Brussels Airlines
Brussels Airlines
IAD
18:25
LHR
12:35
18h 10m
1 stop
LHR
13:50
IAD
15:30
25h 40m
1 stop
Depart: Tue, 9 Sep, 2014 Return: Sat, 13 Sep, 2014 Trip spans 5 days
Brussels Airlines
Brussels Airlines
IAD
18:25
LHR
08:05
13h 40m
1 stop
LHR
06:05
IAD
15:30
33h 25m
1 stop
Depart: Mon, 15 Sep, 2014 Return: Sat, 20 Sep, 2014 Trip spans 6 days
Brussels Airlines
Brussels Airlines
IAD
13:45
LHR
08:05
18h 20m
1 stop
LHR
06:05
IAD
15:30
33h 25m
1 stop
Depart: Sat, 23 Aug, 2014 Return: Wed, 27 Aug, 2014 Trip spans 5 days
United
United
IAD
13:35
LHR
00:25
10h 50m
direct
LHR
03:30
IAD
11:55
8h 25m
direct
Depart: Fri, 22 Aug, 2014 Return: Wed, 27 Aug, 2014 Trip spans 6 days
British Airways
British Airways
DCA
15:35
LHR
09:55
18h 20m
1 stop
LHR
06:30
DCA
18:10
11h 40m
1 stop
Depart: Thu, 31 Jul, 2014 Return: Fri, 5 Sep, 2014 Trip spans 37 days
Aeroflot
Aeroflot
IAD
10:45
LHR
12:25
25h 40m
1 stop
LHR
18:45
IAD
13:55
19h 10m
1 stop
Depart: Mon, 4 Aug, 2014 Return: Tue, 12 Aug, 2014 Trip spans 9 days
United
United
IAD
02:00
LHR
12:20
10h 20m
1 stop
LHR
08:05
IAD
21:57
13h 52m
1 stop
Depart: Wed, 30 Jul, 2014 Return: Thu, 4 Sep, 2014 Trip spans 37 days
United
United
IAD
04:10
LHR
21:45
17h 35m
1 stop
LHR
06:05
IAD
18:23
12h 18m
1 stop
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 22 Jul - 24 Oct
228 21:40 10:00 23 Jul - 23 Oct
Flight No. Departure IAD Arrival LHR Sun Mon Tue Wed Thu Fri Sat Valid between
216 18:30 06:40 22 Jul - 31 Aug
264 20:45 09:00 24 Jul - 21 Aug
264 20:45 08:55 26 Jul - 15 Sep
264 20:45 08:55 23 Jul - 10 Sep
264 20:45 09:00 28 Aug - 28 Aug
292 22:35 10:50 26 Aug - 2 Sep
292 22:35 10:50 20 Aug - 25 Aug
292 22:35 10:50 22 Jul - 14 Aug
292 22:35 10:50 23 Jul - 13 Aug
292 22:35 10:50 15 Aug - 24 Aug
Airports
Origin

Washington
only £734
only £724
Destination

London
only £557
only £724