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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, 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: Sun, 14 Sep, 2014 Return: Thu, 2 Oct, 2014 Trip spans 19 days
Aeroflot
Aeroflot
LHR
18:45
IAD
13:55
19h 10m
1 stop
IAD
10:45
LHR
03:05
16h 20m
1 stop
Depart: Mon, 15 Sep, 2014 Return: Mon, 29 Sep, 2014 Trip spans 15 days
Air Canada
Air Canada
EDI
04:20
IAD
16:37
12h 17m
1 stop
IAD
16:50
EDI
21:45
28h 55m
1 stop
Depart: Thu, 4 Sep, 2014 Return: Fri, 12 Sep, 2014 Trip spans 9 days
SAS
SAS
MAN
06:20
IAD
16:00
33h 40m
1 stop
IAD
13:15
MAN
00:35
11h 20m
1 stop
Depart: Thu, 28 Aug, 2014 Return: Tue, 2 Sep, 2014 Trip spans 6 days
KLM Royal Dutch
KLM Royal Dutch
BHX
02:00
IAD
16:25
14h 25m
1 stop
IAD
13:55
BHX
01:45
11h 50m
1 stop
Depart: Wed, 27 Aug, 2014 Return: Sat, 6 Sep, 2014 Trip spans 11 days
Air Canada
Air Canada
EDI
04:20
DCA
23:21
19h 01m
1 stop
DCA
14:40
EDI
21:45
31h 05m
1 stop
Depart: Sat, 6 Sep, 2014 Return: Wed, 24 Sep, 2014 Trip spans 19 days
KLM Royal Dutch
KLM Royal Dutch
GLA
12:55
IAD
16:25
27h 30m
1 stop
IAD
13:55
GLA
03:50
13h 55m
1 stop
Depart: Mon, 18 Aug, 2014 Return: Sun, 24 Aug, 2014 Trip spans 7 days
Brussels Airlines
Brussels Airlines
MAN
13:25
IAD
19:55
30h 30m
1 stop
IAD
18:25
MAN
11:55
17h 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: 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: Sun, 17 Aug, 2014 Return: Sun, 24 Aug, 2014 Trip spans 8 days
Brussels Airlines
Brussels Airlines
MAN
06:15
IAD
19:55
13h 40m
1 stop
IAD
18:25
MAN
11:55
17h 30m
1 stop
Depart: Fri, 22 Aug, 2014 Return: Tue, 2 Sep, 2014 Trip spans 12 days
US Airways
US Airways
LHR
08:15
DCA
19:08
10h 53m
1 stop
DCA
15:30
LHR
01:00
9h 30m
1 stop
Depart: Wed, 20 Aug, 2014 Return: Thu, 11 Sep, 2014 Trip spans 23 days
Air Canada
Air Canada
LHR
09:05
DCA
20:03
10h 58m
1 stop
DCA
02:00
LHR
12:00
10h 00m
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: Mon, 11 Aug, 2014 Return: Sun, 24 Aug, 2014 Trip spans 14 days
SAS
SAS
LHR
02:40
IAD
16:00
13h 20m
1 stop
IAD
13:15
LHR
04:05
14h 50m
1 stop
Depart: Tue, 12 Aug, 2014 Return: Sun, 31 Aug, 2014 Trip spans 20 days
Aer Lingus
Aer Lingus
LGW
05:25
IAD
16:25
11h 00m
1 stop
IAD
18:15
LGW
07:10
12h 55m
1 stop
Depart: Tue, 5 Aug, 2014 Return: Mon, 29 Sep, 2014 Trip spans 56 days
Brussels Airlines
Brussels Airlines
MAN
06:25
IAD
19:55
13h 30m
1 stop
IAD
13:45
MAN
11:55
22h 10m
1 stop
Depart: Sat, 9 Aug, 2014 Return: Fri, 15 Aug, 2014 Trip spans 7 days
US Airways
US Airways
MAN
10:25
IAD
00:24
13h 59m
1 stop
IAD
12:15
MAN
00:30
12h 15m
1 stop
Depart: Wed, 6 Aug, 2014 Return: Sun, 17 Aug, 2014 Trip spans 12 days
Delta
Delta
LHR
12:05
IAD
23:43
11h 38m
direct
IAD
14:40
LHR
22:05
7h 25m
direct
Depart: Thu, 7 Aug, 2014 Return: Mon, 11 Aug, 2014 Trip spans 5 days
Delta
Delta
LHR
12:05
IAD
23:43
11h 38m
direct
IAD
14:40
LHR
22:05
7h 25m
direct
Change your search
Airports
Origin

Birmingham
£644
Glasgow
£609
Edinburgh
£692
London
only £876
only £959
Manchester
£866
Destination

Washington
only £959
only £976