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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: Mon, 22 Sep, 2014 Return: Thu, 2 Oct, 2014 Trip spans 11 days
Icelandair
Icelandair
LHR
17:10
IAD
20:10
27h 00m
1 stop
IAD
16:35
LHR
11:10
18h 35m
1 stop
Depart: Fri, 19 Sep, 2014 Return: Sat, 27 Sep, 2014 Trip spans 9 days
Icelandair
Icelandair
LGW
09:10
IAD
20:10
11h 00m
1 stop
IAD
16:35
LGW
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: Sun, 14 Sep, 2014 Return: Mon, 29 Sep, 2014 Trip spans 16 days
Aeroflot
Aeroflot
LHR
04:55
IAD
13:55
33h 00m
1 stop
IAD
10:45
LHR
12:25
25h 40m
1 stop
Depart: Thu, 21 Aug, 2014 Return: Thu, 2 Oct, 2014 Trip spans 43 days
United
United
LHR
03:30
IAD
11:55
8h 25m
direct
IAD
05:20
LHR
12:55
7h 35m
direct
Depart: Tue, 2 Sep, 2014 Return: Tue, 9 Sep, 2014 Trip spans 8 days
Lufthansa
Lufthansa
LHR
03:30
IAD
11:55
8h 25m
direct
IAD
14:05
LHR
21:20
7h 15m
direct
Depart: Tue, 26 Aug, 2014 Return: Sun, 31 Aug, 2014 Trip spans 6 days
Brussels Airlines
Brussels Airlines
MAN
02:35
IAD
19:55
17h 20m
1 stop
IAD
18:25
MAN
07:55
13h 30m
1 stop
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: Mon, 25 Aug, 2014 Return: Mon, 13 Oct, 2014 Trip spans 50 days
United
United
LHR
12:20
IAD
20:35
8h 15m
1 stop
IAD
11:03
LHR
22:40
11h 37m
1 stop
Depart: Wed, 27 Aug, 2014 Return: Mon, 13 Oct, 2014 Trip spans 48 days
United
United
LHR
08:00
IAD
16:10
8h 10m
1 stop
IAD
12:53
LHR
00:20
11h 27m
1 stop
Depart: Sun, 17 Aug, 2014 Return: Sun, 31 Aug, 2014 Trip spans 15 days
Brussels Airlines
Brussels Airlines
MAN
06:15
IAD
19:55
13h 40m
1 stop
IAD
18:25
MAN
07:55
13h 30m
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: Sun, 21 Sep, 2014 Return: Wed, 24 Sep, 2014 Trip spans 4 days
Turkish Airlines
Turkish Airlines
MAN
12:05
IAD
19:10
31h 05m
1 stop
IAD
19:25
MAN
01:15
29h 50m
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: Fri, 29 Aug, 2014 Return: Sat, 20 Sep, 2014 Trip spans 23 days
Aer Lingus
Aer Lingus
LGW
02:50
IAD
16:25
13h 35m
1 stop
IAD
18:30
LGW
07:10
12h 40m
1 stop
Depart: Mon, 18 Aug, 2014 Return: Mon, 29 Sep, 2014 Trip spans 43 days
Brussels Airlines
Brussels Airlines
LHR
13:50
IAD
19:55
30h 05m
1 stop
IAD
13:45
LHR
00:25
10h 40m
1 stop
Depart: Sat, 16 Aug, 2014 Return: Fri, 5 Sep, 2014 Trip spans 21 days
Brussels Airlines
Brussels Airlines
EDI
12:30
IAD
19:55
31h 25m
1 stop
IAD
18:25
EDI
07:00
12h 35m
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
United
United
GLA
05:00
IAD
15:15
10h 15m
1 stop
IAD
12:50
GLA
22:30
9h 40m
1 stop
Change your search
Airports
Origin

Birmingham
£572
Glasgow
£863
Newcastle upon Tyne
£592
Edinburgh
£610
London
only £592
only £910
Manchester
£659
Destination

Washington
£910