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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 19 Mar 2015 Return: Thu 7 May 2015 Trip spans 50 days
Delta
Delta
EDI
07:20
IAD
21:12
13h 52m
2 stops
IAD
14:40
EDI
01:40
11h 00m
1 stop
Depart: Fri 5 Dec 2014 Return: Sun 7 Dec 2014 Trip spans 3 days
United
United
GLA
04:00
IAD
11:25
31h 25m
1 stop
IAD
03:14
GLA
21:30
18h 16m
2 stops
Depart: Sun 15 Mar 2015 Return: Wed 18 Mar 2015 Trip spans 4 days
Icelandair
Icelandair
LGW
08:30
IAD
19:30
11h 00m
1 stop
IAD
16:45
LGW
03:15
10h 30m
1 stop
Depart: Thu 22 Jan 2015 Return: Tue 27 Jan 2015 Trip spans 6 days
Delta
Delta
LHR
06:25
IAD
15:00
8h 35m
nonstop
IAD
10:50
LHR
21:05
10h 15m
1 stop
Depart: Sun 1 Mar 2015 Return: Sun 15 Mar 2015 Trip spans 14 days
Icelandair
Icelandair
MAN
07:25
IAD
18:30
11h 05m
1 stop
IAD
16:45
MAN
02:35
9h 50m
1 stop
Depart: Thu 4 Dec 2014 Return: Mon 8 Dec 2014 Trip spans 5 days
Delta
Delta
LHR
05:10
DCA
16:48
11h 38m
1 stop
DCA
14:17
LHR
01:00
10h 43m
1 stop
Depart: Thu 15 Jan 2015 Return: Sun 18 Jan 2015 Trip spans 4 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 29 Mar 2015 Return: Thu 16 Apr 2015 Trip spans 19 days
Aeroflot
Aeroflot
LHR
18:45
IAD
13:50
19h 05m
1 stop
IAD
10:50
LHR
23:00
36h 10m
1 stop
Depart: Wed 25 Mar 2015 Return: Tue 31 Mar 2015 Trip spans 7 days
Multiple Airlines
Multiple Airlines
BHX
09:55
IAD
10:18
24h 23m
2 stops
IAD
08:30
BHX
01:25
16h 55m
2 stops
Depart: Tue 2 Dec 2014 Return: Mon 8 Dec 2014 Trip spans 7 days
SAS
SAS
MAN
14:25
IAD
15:15
24h 50m
1 stop
IAD
12:15
MAN
23:35
11h 20m
1 stop
Depart: Sun 30 Nov 2014 Return: Mon 8 Dec 2014 Trip spans 9 days
Delta
Delta
MAN
13:25
IAD
15:00
25h 35m
1 stop
IAD
14:15
MAN
23:50
9h 35m
1 stop
Depart: Thu 19 Feb 2015 Return: Mon 2 Mar 2015 Trip spans 12 days
United
United
EDI
04:05
IAD
21:03
16h 58m
2 stops
IAD
03:15
EDI
21:35
18h 20m
2 stops
Depart: Thu 26 Mar 2015 Return: Thu 16 Apr 2015 Trip spans 22 days
SAS
SAS
LHR
02:40
IAD
16:15
13h 35m
1 stop
IAD
13:15
LHR
07:00
17h 45m
1 stop
Depart: Mon 1 Dec 2014 Return: Tue 16 Dec 2014 Trip spans 16 days
Lufthansa
Lufthansa
LHR
03:20
IAD
15:55
12h 35m
1 stop
IAD
13:35
LHR
20:50
7h 15m
nonstop
Depart: Wed 24 Dec 2014 Return: Tue 13 Jan 2015 Trip spans 21 days
United
United
MAN
04:00
IAD
07:35
27h 35m
2 stops
IAD
07:15
MAN
21:30
14h 15m
2 stops
Depart: Wed 4 Feb 2015 Return: Wed 11 Feb 2015 Trip spans 8 days
Multiple Airlines
Multiple Airlines
LHR
01:00
IAD
14:40
13h 40m
1 stop
IAD
17:00
LHR
00:15
7h 15m
nonstop
Depart: Mon 8 Dec 2014 Return: Thu 18 Dec 2014 Trip spans 11 days
United
United
LHR
01:50
IAD
15:20
13h 30m
1 stop
IAD
04:35
LHR
12:00
7h 25m
nonstop
Depart: Sat 18 Apr 2015 Return: Sat 2 May 2015 Trip spans 15 days
Turkish Airlines
Turkish Airlines
LGW
13:10
IAD
19:10
30h 00m
1 stop
IAD
19:25
LGW
01:50
30h 25m
1 stop
Depart: Mon 22 Dec 2014 Return: Thu 8 Jan 2015 Trip spans 18 days
Virgin Atlantic
Virgin Atlantic
EDI
13:40
IAD
15:00
25h 20m
1 stop
IAD
01:00
EDI
22:20
21h 20m
2 stops
Depart: Fri 19 Dec 2014 Return: Sun 11 Jan 2015 Trip spans 24 days
Lufthansa
Lufthansa
LCY
03:10
IAD
15:55
12h 45m
1 stop
IAD
13:05
LCY
23:30
10h 25m
1 stop
Change your search
Airports
Origin

Birmingham
£456
Glasgow
£403
London
only £405
only £404
only £678
Edinburgh
£370
Manchester
£405
Destination

Washington
only £370
only £412