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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 Feb 2015 Return: Mon 2 Mar 2015 Trip spans 12 days
Delta
Delta
EDI
01:35
IAD
15:00
13h 25m
1 stop
IAD
12:00
EDI
00:40
12h 40m
2 stops
Depart: Sun 1 Feb 2015 Return: Sun 8 Feb 2015 Trip spans 8 days
Icelandair
Icelandair
LGW
07:30
IAD
18:30
11h 00m
1 stop
IAD
14:45
LGW
01:15
10h 30m
1 stop
Depart: Wed 28 Jan 2015 Return: Sun 1 Feb 2015 Trip spans 5 days
Icelandair
Icelandair
LHR
15:35
IAD
18:30
26h 55m
1 stop
IAD
14:45
LHR
01:30
10h 45m
1 stop
Depart: Tue 24 Mar 2015 Return: Tue 7 Apr 2015 Trip spans 15 days
Multiple Airlines
Multiple Airlines
MAN
02:35
IAD
14:50
12h 15m
1 stop
IAD
18:30
MAN
07:45
13h 15m
1 stop
Depart: Thu 22 Jan 2015 Return: Mon 26 Jan 2015 Trip spans 5 days
US Airways
US Airways
MAN
05:45
DCA
18:24
12h 39m
1 stop
DCA
13:15
MAN
22:45
9h 30m
1 stop
Depart: Sat 27 Dec 2014 Return: Sun 28 Dec 2014 Trip spans 2 days
United
United
LHR
11:20
IAD
19:50
8h 30m
nonstop
IAD
11:50
LHR
21:25
9h 35m
1 stop
Depart: Sun 18 Jan 2015 Return: Mon 26 Jan 2015 Trip spans 9 days
Aeroflot
Aeroflot
LHR
17:30
IAD
12:20
18h 50m
1 stop
IAD
09:05
LHR
11:05
26h 00m
1 stop
Depart: Wed 7 Jan 2015 Return: Sat 17 Jan 2015 Trip spans 11 days
SAS
SAS
MAN
15:55
IAD
15:15
23h 20m
1 stop
IAD
12:15
MAN
08:40
20h 25m
1 stop
Depart: Thu 19 Mar 2015 Return: Mon 23 Mar 2015 Trip spans 5 days
Delta
Delta
LHR
07:25
IAD
16:00
8h 35m
nonstop
IAD
13:00
LHR
22:50
9h 50m
1 stop
Depart: Tue 17 Feb 2015 Return: Sun 1 Mar 2015 Trip spans 13 days
United
United
EDI
04:05
IAD
21:03
16h 58m
2 stops
IAD
07:30
EDI
21:35
14h 05m
2 stops
Depart: Mon 16 Feb 2015 Return: Mon 2 Mar 2015 Trip spans 15 days
Multiple Airlines
Multiple Airlines
EDI
03:25
IAD
15:35
12h 10m
1 stop
IAD
13:50
EDI
06:35
16h 45m
1 stop
Depart: Thu 25 Dec 2014 Return: Wed 31 Dec 2014 Trip spans 7 days
KLM Royal Dutch
KLM Royal Dutch
MAN
04:20
IAD
15:35
11h 15m
1 stop
IAD
07:45
MAN
22:30
14h 45m
2 stops
Depart: Tue 31 Mar 2015 Return: Thu 9 Apr 2015 Trip spans 10 days
SAS
SAS
LHR
02:40
IAD
16:00
13h 20m
1 stop
IAD
13:15
LHR
07:00
17h 45m
1 stop
Depart: Thu 26 Mar 2015 Return: Sun 12 Apr 2015 Trip spans 18 days
Brussels Airlines
Brussels Airlines
EDI
02:00
IAD
14:50
12h 50m
1 stop
IAD
13:50
EDI
05:55
16h 05m
1 stop
Depart: Thu 1 Jan 2015 Return: Sat 28 Feb 2015 Trip spans 59 days
British Airways
British Airways
MAN
02:55
IAD
14:25
11h 30m
1 stop
IAD
13:30
MAN
01:15
11h 45m
1 stop
Depart: Fri 27 Mar 2015 Return: Sat 11 Apr 2015 Trip spans 16 days
Brussels Airlines
Brussels Airlines
MAN
02:35
IAD
14:50
12h 15m
1 stop
IAD
13:50
MAN
00:40
10h 50m
1 stop
Depart: Tue 19 May 2015 Return: Tue 2 Jun 2015 Trip spans 15 days
Delta
Delta
MAN
07:00
IAD
19:51
12h 51m
1 stop
IAD
13:00
MAN
01:25
12h 25m
1 stop
Depart: Sun 28 Dec 2014 Return: Sat 10 Jan 2015 Trip spans 14 days
Delta
Delta
LHR
04:30
DCA
18:03
13h 33m
1 stop
DCA
13:10
LHR
23:00
9h 50m
1 stop
Depart: Sat 11 Apr 2015 Return: Thu 16 Apr 2015 Trip spans 6 days
Multiple Airlines
Multiple Airlines
LHR
12:25
DCA
19:27
55h 02m
4 stops
DCA
11:17
LHR
14:05
50h 48m
4 stops
Depart: Mon 22 Dec 2014 Return: Thu 15 Jan 2015 Trip spans 25 days
Lufthansa
Lufthansa
LCY
13:15
IAD
15:55
26h 40m
1 stop
IAD
13:05
LCY
23:30
10h 25m
1 stop
Change your search
Airports
Origin

London
only £409
only £554
only £406
Manchester
£444
Edinburgh
£405
Destination

Washington
only £405
only £451