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Find flight deals from United Kingdom to Washington

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

Book cheap flights to Washington

(Round-trip)
Depart: Thu, 13 Nov, 2014 Return: Thu, 11 Dec, 2014 Trip spans 29 days
Virgin Atlantic
Virgin Atlantic
LHR
06:25
IAD
15:00
8h 35m
direct
IAD
16:35
LHR
23:55
7h 20m
direct
Depart: Sat, 22 Nov, 2014 Return: Tue, 2 Dec, 2014 Trip spans 11 days
Virgin Atlantic
Virgin Atlantic
LHR
06:25
IAD
15:00
8h 35m
1 stop
IAD
01:00
LHR
10:10
9h 10m
1 stop
Depart: Tue, 25 Nov, 2014 Return: Tue, 9 Dec, 2014 Trip spans 15 days
Virgin Atlantic
Virgin Atlantic
LHR
06:25
IAD
15:00
8h 35m
1 stop
IAD
01:00
LHR
10:10
9h 10m
1 stop
Depart: Thu, 20 Nov, 2014 Return: Tue, 2 Dec, 2014 Trip spans 13 days
Virgin Atlantic
Virgin Atlantic
LHR
06:25
IAD
15:00
8h 35m
direct
IAD
14:15
LHR
21:35
7h 20m
direct
Depart: Tue, 2 Dec, 2014 Return: Tue, 9 Dec, 2014 Trip spans 8 days
Virgin Atlantic
Virgin Atlantic
LHR
06:25
IAD
15:00
8h 35m
1 stop
IAD
10:50
LHR
20:50
10h 00m
1 stop
Depart: Sat, 6 Dec, 2014 Return: Sun, 7 Dec, 2014 Trip spans 2 days
United
United
LHR
01:50
IAD
17:33
15h 43m
direct
IAD
04:35
LHR
12:00
7h 25m
direct
Depart: Tue, 9 Dec, 2014 Return: Thu, 18 Dec, 2014 Trip spans 10 days
Virgin Atlantic
Virgin Atlantic
LHR
03:45
IAD
16:32
12h 47m
1 stop
IAD
01:00
LHR
10:10
9h 10m
1 stop
Depart: Sat, 15 Nov, 2014 Return: Sat, 22 Nov, 2014 Trip spans 8 days
Virgin Atlantic
Virgin Atlantic
LHR
06:25
IAD
15:00
8h 35m
direct
IAD
14:15
LHR
21:35
7h 20m
direct
Depart: Thu, 4 Dec, 2014 Return: Tue, 9 Dec, 2014 Trip spans 6 days
Virgin Atlantic
Virgin Atlantic
LHR
06:25
IAD
15:00
8h 35m
1 stop
IAD
01:00
LHR
10:10
9h 10m
1 stop
Depart: Thu, 11 Dec, 2014 Return: Tue, 16 Dec, 2014 Trip spans 6 days
Virgin Atlantic
Virgin Atlantic
LHR
06:25
IAD
15:00
8h 35m
direct
IAD
14:15
LHR
21:35
7h 20m
direct
Depart: Fri, 5 Dec, 2014 Return: Thu, 11 Dec, 2014 Trip spans 7 days
Icelandair
Icelandair
LHR
15:35
IAD
18:30
26h 55m
1 stop
IAD
14:45
LHR
01:30
10h 45m
1 stop
Depart: Thu, 27 Nov, 2014 Return: Thu, 4 Dec, 2014 Trip spans 8 days
Virgin Atlantic
Virgin Atlantic
LHR
07:00
IAD
21:15
14h 15m
direct
IAD
16:35
LHR
23:55
7h 20m
direct
Depart: Sat, 8 Nov, 2014 Return: Sun, 9 Nov, 2014 Trip spans 2 days
United
United
LHR
03:40
IAD
16:10
12h 30m
direct
IAD
04:35
LHR
12:00
7h 25m
direct
Depart: Thu, 6 Nov, 2014 Return: Mon, 10 Nov, 2014 Trip spans 5 days
Virgin Atlantic
Virgin Atlantic
LHR
06:25
IAD
15:00
8h 35m
1 stop
IAD
14:28
LHR
20:35
30h 07m
1 stop
Depart: Wed, 3 Dec, 2014 Return: Sun, 7 Dec, 2014 Trip spans 5 days
Icelandair
Icelandair
LHR
08:00
IAD
18:30
10h 30m
1 stop
IAD
14:45
LHR
01:30
10h 45m
1 stop
Depart: Sun, 7 Dec, 2014 Return: Tue, 9 Dec, 2014 Trip spans 3 days
Icelandair
Icelandair
LHR
08:00
IAD
18:30
10h 30m
1 stop
IAD
14:45
LHR
09:30
18h 45m
1 stop
Depart: Fri, 7 Nov, 2014 Return: Sun, 16 Nov, 2014 Trip spans 10 days
Icelandair
Icelandair
LHR
15:35
IAD
18:30
26h 55m
1 stop
IAD
14:45
LHR
01:30
10h 45m
1 stop
Depart: Wed, 26 Nov, 2014 Return: Wed, 3 Dec, 2014 Trip spans 8 days
Icelandair
Icelandair
LHR
08:00
IAD
18:30
10h 30m
1 stop
IAD
14:45
LHR
09:30
18h 45m
1 stop
Depart: Sun, 9 Nov, 2014 Return: Sun, 23 Nov, 2014 Trip spans 15 days
Delta
Delta
EDI
06:20
IAD
21:15
14h 55m
1 stop
IAD
14:15
EDI
00:40
10h 25m
1 stop
Depart: Sun, 23 Nov, 2014 Return: Sat, 6 Dec, 2014 Trip spans 14 days
Icelandair
Icelandair
LGW
07:30
IAD
18:30
11h 00m
1 stop
IAD
14:45
LGW
01:15
10h 30m
1 stop
Change your search
Airports
Origin

London
only £394
only £429
Edinburgh
£426
Manchester
£435
Destination

Washington
£394