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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: 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: 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: Tue 6 Jan 2015 Return: Mon 12 Jan 2015 Trip spans 7 days
Delta
Delta
LHR
06:25
IAD
15:00
8h 35m
nonstop
IAD
01:00
LHR
10:10
9h 10m
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: Sun 7 Dec 2014 Return: Mon 15 Dec 2014 Trip spans 9 days
Multiple Airlines
Multiple Airlines
MAN
05:30
IAD
21:16
15h 46m
2 stops
IAD
14:15
MAN
23:50
9h 35m
1 stop
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
08:40
20h 25m
1 stop
Depart: Fri 13 Feb 2015 Return: Fri 6 Mar 2015 Trip spans 22 days
SAS
SAS
LHR
01:40
IAD
15:15
13h 35m
1 stop
IAD
12:15
LHR
03:05
14h 50m
1 stop
Depart: Sun 18 Jan 2015 Return: Wed 4 Feb 2015 Trip spans 18 days
United
United
EDI
04:05
IAD
21:09
17h 04m
2 stops
IAD
07:15
EDI
21:35
14h 20m
2 stops
Depart: Sat 13 Dec 2014 Return: Wed 28 Jan 2015 Trip spans 47 days
Delta
Delta
MAN
01:45
IAD
15:00
13h 15m
1 stop
IAD
14:15
MAN
23:50
9h 35m
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: Sun 30 Nov 2014 Return: Tue 9 Dec 2014 Trip spans 10 days
Brussels Airlines
Brussels Airlines
LHR
12:50
IAD
14:55
26h 05m
1 stop
IAD
12:50
LHR
07:05
18h 15m
1 stop
Depart: Sat 18 Apr 2015 Return: Sat 25 Apr 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
LGW
13:10
IAD
19:10
30h 00m
1 stop
IAD
19:25
LGW
00:05
28h 40m
1 stop
Depart: Wed 17 Dec 2014 Return: Wed 31 Dec 2014 Trip spans 15 days
KLM Royal Dutch
KLM Royal Dutch
MAN
00:55
IAD
15:35
14h 40m
1 stop
IAD
13:05
MAN
03:00
13h 55m
1 stop
Change your search
Airports
Origin

Birmingham
£456
Glasgow
£403
London
only £414
only £404
Edinburgh
£370
Manchester
£405
Destination

Washington
£370