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Find flight deals from United Kingdom to Washington Dulles Intl

Flexible dates? Here are the best fares found in the past 48 hours...

Book cheap flights to Washington Dulles Intl

(Round-trip)
Depart: Sun 8 Feb 2015 Return: Sun 15 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: Sun 1 Mar 2015 Return: Sun 8 Mar 2015 Trip spans 7 days
Icelandair
Icelandair
LGW
07:30
IAD
18:30
11h 00m
1 stop
IAD
16:45
LGW
03:15
10h 30m
1 stop
Depart: Sat 7 Feb 2015 Return: Sat 14 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: Sat 21 Feb 2015 Return: Thu 26 Feb 2015 Trip spans 6 days
Icelandair
Icelandair
LGW
07:30
IAD
18:30
11h 00m
1 stop
IAD
14:45
LGW
01:15
10h 30m
1 stop
Depart: Fri 29 May 2015 Return: Sun 31 May 2015 Trip spans 3 days
Icelandair
Icelandair
LGW
09:10
IAD
20:10
11h 00m
1 stop
IAD
10:10
LGW
02:45
16h 35m
1 stop
Depart: Tue 3 Feb 2015 Return: Tue 24 Feb 2015 Trip spans 22 days
Icelandair
Icelandair
LHR
08:00
IAD
18:30
10h 30m
1 stop
IAD
14:45
LHR
01:30
10h 45m
1 stop
Depart: Wed 11 Feb 2015 Return: Wed 25 Feb 2015 Trip spans 15 days
Multiple Airlines
Multiple Airlines
EDI
01:35
IAD
19:28
17h 53m
2 stops
IAD
11:00
EDI
00:40
13h 40m
2 stops
Depart: Fri 5 Dec 2014 Return: Sun 7 Dec 2014 Trip spans 3 days
Icelandair
Icelandair
LHR
15:35
IAD
18:30
26h 55m
1 stop
IAD
14:45
LHR
01:30
10h 45m
1 stop
Depart: Fri 21 Nov 2014 Return: Mon 24 Nov 2014 Trip spans 4 days
Multiple Airlines
Multiple Airlines
MAN
05:45
IAD
19:14
13h 29m
2 stops
IAD
08:40
MAN
23:50
15h 10m
2 stops
Depart: Sun 18 Jan 2015 Return: Sun 25 Jan 2015 Trip spans 8 days
US Airways
US Airways
LHR
06:40
IAD
21:15
14h 35m
1 stop
IAD
11:00
LHR
21:05
10h 05m
1 stop
Depart: Sun 30 Nov 2014 Return: Mon 8 Dec 2014 Trip spans 9 days
SAS
SAS
MAN
14:25
IAD
15:15
24h 50m
1 stop
IAD
12:15
MAN
08:40
20h 25m
1 stop
Depart: Wed 4 Mar 2015 Return: Wed 25 Mar 2015 Trip spans 21 days
SAS
SAS
BHX
04:55
IAD
15:15
34h 20m
1 stop
IAD
14:15
BHX
10:35
20h 20m
1 stop
Depart: Tue 24 Mar 2015 Return: Tue 31 Mar 2015 Trip spans 8 days
SAS
SAS
LHR
16:30
IAD
16:15
23h 45m
1 stop
IAD
13:15
LHR
04:05
14h 50m
1 stop
Depart: Thu 23 Apr 2015 Return: Thu 7 May 2015 Trip spans 15 days
Icelandair
Icelandair
GLA
10:05
IAD
20:10
10h 05m
1 stop
IAD
16:35
GLA
01:40
9h 05m
1 stop
Depart: Thu 25 Dec 2014 Return: Mon 12 Jan 2015 Trip spans 19 days
Delta
Delta
BHX
01:00
IAD
15:35
14h 35m
1 stop
IAD
10:50
BHX
03:05
16h 15m
2 stops
Depart: Tue 9 Dec 2014 Return: Mon 29 Dec 2014 Trip spans 21 days
Delta
Delta
LHR
09:35
IAD
21:16
11h 41m
1 stop
IAD
14:15
LHR
21:35
7h 20m
nonstop
Depart: Wed 12 Nov 2014 Return: Wed 10 Dec 2014 Trip spans 29 days
KLM Royal Dutch
KLM Royal Dutch
GLA
04:20
IAD
15:35
11h 15m
1 stop
IAD
13:05
GLA
03:00
13h 55m
1 stop
Depart: Mon 15 Dec 2014 Return: Tue 6 Jan 2015 Trip spans 23 days
Turkish Airlines
Turkish Airlines
LGW
12:20
IAD
18:25
30h 05m
1 stop
IAD
18:30
LGW
23:25
28h 55m
1 stop
Depart: Fri 19 Dec 2014 Return: Thu 1 Jan 2015 Trip spans 14 days
Aer Lingus
Aer Lingus
BHX
03:20
IAD
15:20
12h 00m
1 stop
IAD
17:15
BHX
08:45
15h 30m
1 stop
Depart: Mon 23 Feb 2015 Return: Thu 26 Feb 2015 Trip spans 4 days
Turkish Airlines
Turkish Airlines
MAN
11:25
IAD
18:25
31h 00m
1 stop
IAD
18:30
MAN
05:25
34h 55m
1 stop
Change your search
Airports
Origin

Birmingham
£467
Glasgow
£485
London
only £413
only £391
Edinburgh
£415
Manchester
£421
Destination

Washington
£391