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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 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: 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: 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: Wed 14 Jan 2015 Return: Sun 18 Jan 2015 Trip spans 5 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: 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: Mon 22 Dec 2014 Return: Mon 29 Dec 2014 Trip spans 8 days
Lufthansa
Lufthansa
MAN
07:00
IAD
15:30
8h 30m
nonstop
IAD
13:05
MAN
20:15
7h 10m
nonstop
Depart: Wed 31 Dec 2014 Return: Tue 6 Jan 2015 Trip spans 7 days
Virgin Atlantic
Virgin Atlantic
LHR
06:25
IAD
15:00
8h 35m
nonstop
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: Tue 26 May 2015 Return: Tue 9 Jun 2015 Trip spans 15 days
Lufthansa
Lufthansa
EDI
13:50
IAD
14:25
24h 35m
1 stop
IAD
14:05
EDI
03:15
13h 10m
1 stop
Change your search
Airports
Origin

London
only £417
only £561
only £404
Manchester
£435
Edinburgh
£414
Destination

Washington
£404