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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 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: Thu 22 Jan 2015 Return: Wed 28 Jan 2015 Trip spans 7 days
Delta
Delta
EDI
01:35
IAD
15:00
13h 25m
1 stop
IAD
10:50
EDI
00:40
13h 50m
2 stops
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: Sat 10 Jan 2015 Return: Mon 12 Jan 2015 Trip spans 3 days
United
United
LHR
13:00
IAD
11:40
22h 40m
1 stop
IAD
04:30
LHR
12:00
7h 30m
nonstop
Depart: Sun 29 Mar 2015 Return: Sat 11 Apr 2015 Trip spans 14 days
Aeroflot
Aeroflot
LHR
18:45
IAD
13:50
19h 05m
1 stop
IAD
10:50
LHR
03:05
16h 15m
1 stop
Depart: Sun 11 Jan 2015 Return: Sun 18 Jan 2015 Trip spans 8 days
Multiple Airlines
Multiple Airlines
BHX
12:40
IAD
15:35
26h 55m
1 stop
IAD
10:50
BHX
22:25
35h 35m
2 stops
Depart: Fri 13 Feb 2015 Return: Thu 26 Feb 2015 Trip spans 14 days
SAS
SAS
MAN
14:25
IAD
15:15
24h 50m
1 stop
IAD
12:15
MAN
23:35
11h 20m
1 stop
Depart: Mon 9 Feb 2015 Return: Thu 12 Mar 2015 Trip spans 31 days
United
United
GLA
04:00
IAD
11:21
31h 21m
2 stops
IAD
04:25
GLA
22:30
18h 05m
2 stops
Depart: Sat 14 Feb 2015 Return: Sat 21 Feb 2015 Trip spans 8 days
SAS
SAS
LHR
01:40
IAD
15:15
13h 35m
1 stop
IAD
12:15
LHR
23:00
10h 45m
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: Sun 14 Dec 2014 Return: Wed 28 Jan 2015 Trip spans 46 days
United
United
MAN
04:00
IAD
07:25
27h 25m
1 stop
IAD
11:50
MAN
04:55
17h 05m
2 stops
Depart: Thu 1 Jan 2015 Return: Thu 8 Jan 2015 Trip spans 8 days
Delta
Delta
LHR
06:25
IAD
15:00
8h 35m
nonstop
IAD
10:50
LHR
20:50
10h 00m
1 stop
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
Depart: Wed 18 Feb 2015 Return: Mon 2 Mar 2015 Trip spans 13 days
KLM Royal Dutch
KLM Royal Dutch
GLA
01:00
IAD
15:35
14h 35m
1 stop
IAD
07:30
GLA
22:45
15h 15m
2 stops
Depart: Sun 5 Apr 2015 Return: Sat 18 Apr 2015 Trip spans 14 days
Icelandair
Icelandair
MAN
09:25
IAD
20:10
10h 45m
1 stop
IAD
16:35
MAN
02:35
10h 00m
1 stop
Depart: Tue 23 Dec 2014 Return: Tue 30 Dec 2014 Trip spans 8 days
British Airways
British Airways
GLA
06:35
IAD
20:15
13h 40m
1 stop
IAD
17:20
GLA
06:20
13h 00m
1 stop
Depart: Mon 22 Dec 2014 Return: Fri 9 Jan 2015 Trip spans 19 days
United
United
EDI
04:05
IAD
16:10
12h 05m
1 stop
IAD
07:15
EDI
21:35
14h 20m
2 stops
Depart: Mon 19 Jan 2015 Return: Fri 23 Jan 2015 Trip spans 5 days
Turkish Airlines
Turkish Airlines
MAN
11:25
IAD
18:25
31h 00m
1 stop
IAD
18:30
MAN
00:05
29h 35m
1 stop
Change your search
Airports
Origin

Birmingham
£465
Glasgow
£480
London
only £424
only £405
Edinburgh
£421
Manchester
£466
Destination

Washington
£405