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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 12 Mar 2015 Return: Thu 19 Mar 2015 Trip spans 8 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 12 Feb 2015 Return: Mon 16 Feb 2015 Trip spans 5 days
Delta
Delta
EDI
06:20
IAD
20:55
14h 35m
2 stops
IAD
14:15
EDI
00:40
10h 25m
1 stop
Depart: Thu 15 Jan 2015 Return: Thu 22 Jan 2015 Trip spans 8 days
Icelandair
Icelandair
LHR
08:00
IAD
18:30
10h 30m
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: Tue 3 Mar 2015 Return: Tue 17 Mar 2015 Trip spans 14 days
Multiple Airlines
Multiple Airlines
EDI
01:00
IAD
14:50
13h 50m
1 stop
IAD
15:05
EDI
08:50
17h 45m
1 stop
Depart: Fri 29 May 2015 Return: Mon 1 Jun 2015 Trip spans 4 days
Aeroflot
Aeroflot
LHR
07:00
IAD
13:50
30h 50m
1 stop
IAD
10:50
LHR
03:05
16h 15m
1 stop
Depart: Tue 3 Feb 2015 Return: Wed 18 Feb 2015 Trip spans 16 days
Delta
Delta
LHR
06:25
IAD
15:00
8h 35m
nonstop
IAD
12:04
LHR
21:50
9h 46m
1 stop
Depart: Thu 26 Mar 2015 Return: Mon 13 Apr 2015 Trip spans 19 days
Brussels Airlines
Brussels Airlines
EDI
02:00
IAD
14:50
12h 50m
1 stop
IAD
13:30
EDI
05:55
16h 25m
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: Mon 12 Jan 2015 Return: Sun 18 Jan 2015 Trip spans 7 days
United
United
MAN
04:00
IAD
21:09
17h 09m
2 stops
IAD
07:15
MAN
21:30
14h 15m
2 stops
Depart: Fri 16 Jan 2015 Return: Sun 18 Jan 2015 Trip spans 3 days
SAS
SAS
LHR
01:40
IAD
15:15
13h 35m
1 stop
IAD
12:15
LHR
03:05
14h 50m
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: Wed 25 Mar 2015 Return: Sat 25 Apr 2015 Trip spans 32 days
Air France
Air France
EDI
02:35
IAD
17:20
14h 45m
1 stop
IAD
14:50
EDI
01:50
11h 00m
1 stop
Depart: Tue 17 Feb 2015 Return: Tue 24 Feb 2015 Trip spans 8 days
United
United
LHR
03:40
IAD
16:15
12h 35m
1 stop
IAD
10:00
LHR
20:20
10h 20m
1 stop
Depart: Sun 11 Jan 2015 Return: Sun 18 Jan 2015 Trip spans 8 days
Brussels Airlines
Brussels Airlines
MAN
12:45
IAD
14:50
26h 05m
1 stop
IAD
12:45
MAN
07:15
18h 30m
1 stop
Depart: Sat 10 Jan 2015 Return: Wed 14 Jan 2015 Trip spans 5 days
United
United
MAN
04:00
DCA
10:30
30h 30m
1 stop
DCA
11:54
MAN
04:55
17h 01m
2 stops
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: 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 4 Jan 2015 Return: Tue 27 Jan 2015 Trip spans 24 days
Multiple Airlines
Multiple Airlines
LCY
15:30
IAD
15:35
24h 05m
1 stop
IAD
13:05
LCY
22:55
9h 50m
1 stop
Depart: Mon 5 Jan 2015 Return: Mon 12 Jan 2015 Trip spans 8 days
United
United
LHR
08:00
DCA
21:00
13h 00m
1 stop
DCA
13:29
LHR
23:25
9h 56m
1 stop
Change your search
Airports
Origin

London
only £417
only £561
only £404
Manchester
£443
Edinburgh
£413
Destination

Washington
only £404
only £495