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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: Wed, 24 Sep, 2014 Return: Tue, 30 Sep, 2014 Trip spans 7 days
Icelandair
Icelandair
MAN
09:25
IAD
20:10
10h 45m
1 stop
IAD
16:35
MAN
02:35
10h 00m
1 stop
Depart: Thu, 11 Sep, 2014 Return: Thu, 18 Sep, 2014 Trip spans 8 days
Icelandair
Icelandair
LHR
09:00
IAD
20:10
11h 10m
1 stop
IAD
16:35
LHR
11:10
18h 35m
1 stop
Depart: Wed, 20 Aug, 2014 Return: Sun, 24 Aug, 2014 Trip spans 5 days
US Airways
US Airways
GLA
06:20
IAD
20:21
14h 01m
2 stops
IAD
07:01
GLA
21:55
14h 54m
2 stops
Depart: Wed, 3 Sep, 2014 Return: Wed, 17 Sep, 2014 Trip spans 15 days
United
United
LHR
12:20
IAD
20:35
8h 15m
direct
IAD
18:00
LHR
01:15
7h 15m
direct
Depart: Tue, 9 Sep, 2014 Return: Tue, 16 Sep, 2014 Trip spans 8 days
Finnair
Finnair
LHR
05:40
IAD
13:40
8h 00m
direct
IAD
14:30
LHR
21:40
7h 10m
direct
Depart: Tue, 19 Aug, 2014 Return: Wed, 3 Sep, 2014 Trip spans 16 days
Brussels Airlines
Brussels Airlines
BHX
06:25
IAD
19:55
13h 30m
1 stop
IAD
13:35
BHX
02:50
13h 15m
1 stop
Depart: Thu, 21 Aug, 2014 Return: Mon, 1 Sep, 2014 Trip spans 12 days
Brussels Airlines
Brussels Airlines
MAN
06:25
IAD
19:55
13h 30m
1 stop
IAD
13:35
MAN
11:55
22h 20m
1 stop
Depart: Tue, 16 Sep, 2014 Return: Tue, 30 Sep, 2014 Trip spans 15 days
Virgin Atlantic
Virgin Atlantic
LHR
05:30
IAD
19:40
14h 10m
1 stop
IAD
13:19
LHR
23:45
10h 26m
1 stop
Depart: Sat, 23 Aug, 2014 Return: Sat, 6 Sep, 2014 Trip spans 15 days
Brussels Airlines
Brussels Airlines
MAN
02:35
IAD
15:20
12h 45m
1 stop
IAD
18:25
MAN
07:55
13h 30m
1 stop
Depart: Mon, 29 Sep, 2014 Return: Thu, 9 Oct, 2014 Trip spans 11 days
Air France
Air France
LHR
02:40
IAD
14:35
11h 55m
1 stop
IAD
12:15
LHR
22:50
10h 35m
1 stop
Depart: Sun, 24 Aug, 2014 Return: Thu, 11 Sep, 2014 Trip spans 19 days
US Airways
US Airways
LHR
06:05
IAD
18:26
12h 21m
1 stop
IAD
12:15
LHR
22:50
10h 35m
1 stop
Depart: Thu, 18 Sep, 2014 Return: Sun, 21 Sep, 2014 Trip spans 4 days
British Airways
British Airways
LHR
13:35
IAD
21:35
8h 00m
direct
IAD
18:35
LHR
01:50
7h 15m
direct
Depart: Mon, 18 Aug, 2014 Return: Tue, 2 Sep, 2014 Trip spans 16 days
Brussels Airlines
Brussels Airlines
LHR
13:50
IAD
19:55
30h 05m
1 stop
IAD
18:25
LHR
08:05
13h 40m
1 stop
Depart: Fri, 12 Sep, 2014 Return: Sun, 28 Sep, 2014 Trip spans 17 days
Delta
Delta
LHR
07:35
IAD
15:50
8h 15m
1 stop
IAD
13:19
LHR
23:45
10h 26m
1 stop
Depart: Thu, 14 Aug, 2014 Return: Thu, 21 Aug, 2014 Trip spans 8 days
Brussels Airlines
Brussels Airlines
MAN
02:35
IAD
15:20
12h 45m
1 stop
IAD
18:25
MAN
07:55
13h 30m
1 stop
Depart: Wed, 13 Aug, 2014 Return: Mon, 18 Aug, 2014 Trip spans 6 days
Brussels Airlines
Brussels Airlines
BHX
13:45
IAD
19:55
30h 10m
1 stop
IAD
13:35
BHX
08:15
18h 40m
1 stop
Depart: Fri, 15 Aug, 2014 Return: Fri, 5 Sep, 2014 Trip spans 22 days
Brussels Airlines
Brussels Airlines
EDI
02:00
IAD
19:55
17h 55m
1 stop
IAD
18:25
EDI
03:20
32h 55m
1 stop
Depart: Sun, 10 Aug, 2014 Return: Sat, 6 Sep, 2014 Trip spans 28 days
SAS
SAS
LHR
16:30
IAD
16:00
23h 30m
1 stop
IAD
13:15
LHR
04:05
14h 50m
1 stop
Depart: Mon, 25 Aug, 2014 Return: Tue, 7 Oct, 2014 Trip spans 44 days
KLM Royal Dutch
KLM Royal Dutch
CWL
02:05
IAD
18:00
15h 55m
1 stop
IAD
13:55
CWL
12:30
22h 35m
1 stop
Depart: Tue, 12 Aug, 2014 Return: Sun, 24 Aug, 2014 Trip spans 13 days
SAS
SAS
BHX
05:55
IAD
16:00
34h 05m
1 stop
IAD
13:15
BHX
00:25
11h 10m
1 stop
Change your search
Airports
Origin

Birmingham
£819
Glasgow
£862
Newcastle upon Tyne
£552
Cardiff
£734
London
£863
Edinburgh
£691
Manchester
£657
Destination

Washington
£863