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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: Mon 2 Feb 2015 Return: Tue 24 Feb 2015 Trip spans 23 days
Delta
Delta
EDI
01:35
IAD
15:00
13h 25m
1 stop
IAD
12:04
EDI
00:40
12h 36m
2 stops
Depart: Wed 28 Jan 2015 Return: Tue 24 Feb 2015 Trip spans 28 days
Icelandair
Icelandair
LHR
15:35
IAD
18:30
26h 55m
1 stop
IAD
14:45
LHR
01:30
10h 45m
1 stop
Depart: Thu 22 Jan 2015 Return: Mon 26 Jan 2015 Trip spans 5 days
Brussels Airlines
Brussels Airlines
MAN
01:35
IAD
14:50
13h 15m
1 stop
IAD
12:45
MAN
07:15
18h 30m
1 stop
Depart: Wed 25 Feb 2015 Return: Tue 3 Mar 2015 Trip spans 7 days
Lufthansa
Lufthansa
MAN
01:15
IAD
14:35
13h 20m
1 stop
IAD
13:05
MAN
01:15
12h 10m
1 stop
Depart: Thu 19 Feb 2015 Return: Mon 2 Mar 2015 Trip spans 12 days
Brussels Airlines
Brussels Airlines
EDI
01:00
IAD
14:50
13h 50m
1 stop
IAD
12:45
EDI
05:05
16h 20m
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: Thu 15 Jan 2015 Return: Mon 19 Jan 2015 Trip spans 5 days
Air France
Air France
MAN
03:45
IAD
16:25
12h 40m
1 stop
IAD
13:55
MAN
01:00
11h 05m
1 stop
Depart: Thu 8 Jan 2015 Return: Thu 19 Feb 2015 Trip spans 43 days
Delta
Delta
LHR
06:25
IAD
15:00
8h 35m
nonstop
IAD
12:04
LHR
23:00
10h 56m
1 stop
Depart: Sun 15 Mar 2015 Return: Sun 22 Mar 2015 Trip spans 8 days
SAS
SAS
MAN
15:25
IAD
16:15
24h 50m
1 stop
IAD
14:15
MAN
01:35
11h 20m
1 stop
Depart: Sat 21 Mar 2015 Return: Sat 4 Apr 2015 Trip spans 15 days
Multiple Airlines
Multiple Airlines
MAN
02:15
IAD
16:55
14h 40m
1 stop
IAD
13:50
MAN
00:40
10h 50m
1 stop
Depart: Tue 24 Mar 2015 Return: Tue 21 Apr 2015 Trip spans 29 days
Delta
Delta
LHR
06:10
DCA
19:00
12h 50m
1 stop
DCA
14:04
LHR
23:45
9h 41m
1 stop
Depart: Sat 7 Feb 2015 Return: Sat 21 Feb 2015 Trip spans 15 days
SAS
SAS
LHR
01:40
IAD
15:15
13h 35m
1 stop
IAD
12:15
LHR
03:05
14h 50m
1 stop
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: Wed 7 Jan 2015 Return: Tue 10 Feb 2015 Trip spans 35 days
United
United
LHR
02:00
IAD
15:15
13h 15m
1 stop
IAD
11:50
LHR
23:25
11h 35m
1 stop
Depart: Thu 11 Jun 2015 Return: Tue 16 Jun 2015 Trip spans 6 days
Delta
Delta
MAN
07:55
IAD
22:12
14h 17m
1 stop
IAD
09:30
MAN
23:30
14h 00m
1 stop
Depart: Tue 30 Dec 2014 Return: Wed 7 Jan 2015 Trip spans 9 days
Multiple Airlines
Multiple Airlines
LHR
10:15
IAD
23:39
13h 24m
1 stop
IAD
14:15
LHR
21:35
7h 20m
nonstop
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: Sun 1 Feb 2015 Return: Thu 5 Feb 2015 Trip spans 5 days
Turkish Airlines
Turkish Airlines
LGW
12:20
IAD
18:25
30h 05m
1 stop
IAD
18:30
LGW
01:45
31h 15m
1 stop
Depart: Wed 13 May 2015 Return: Wed 20 May 2015 Trip spans 8 days
Multiple Airlines
Multiple Airlines
EDI
02:00
IAD
15:25
13h 25m
1 stop
IAD
14:05
EDI
03:15
13h 10m
1 stop
Change your search
Airports
Origin

London
only £423
only £561
only £404
Manchester
£435
Edinburgh
£408
Destination

Washington
only £404
only £473