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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 1 Mar 2015 Return: Sun 15 Mar 2015 Trip spans 14 days
Icelandair
Icelandair
LGW
07:30
IAD
18:30
11h 00m
1 stop
IAD
16:45
LGW
03:15
10h 30m
1 stop
Depart: Wed 17 Dec 2014 Return: Wed 7 Jan 2015 Trip spans 22 days
British Airways
British Airways
MAN
01:50
IAD
14:25
12h 35m
1 stop
IAD
13:30
MAN
23:15
9h 45m
1 stop
Depart: Thu 19 Feb 2015 Return: Sun 22 Feb 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: Thu 22 Jan 2015 Return: Mon 26 Jan 2015 Trip spans 5 days
SAS
SAS
BHX
04:55
IAD
15:15
34h 20m
1 stop
IAD
12:15
BHX
08:35
20h 20m
1 stop
Depart: Sat 14 Feb 2015 Return: Sun 22 Feb 2015 Trip spans 9 days
Delta
Delta
EDI
13:40
IAD
15:00
25h 20m
1 stop
IAD
12:09
EDI
02:50
14h 41m
2 stops
Depart: Sun 22 Mar 2015 Return: Tue 31 Mar 2015 Trip spans 10 days
SAS
SAS
MAN
15:25
IAD
16:15
24h 50m
1 stop
IAD
13:15
MAN
00:35
11h 20m
1 stop
Depart: Sun 11 Jan 2015 Return: Sun 18 Jan 2015 Trip spans 8 days
SAS
SAS
LHR
15:30
IAD
15:15
23h 45m
1 stop
IAD
12:15
LHR
03:05
14h 50m
1 stop
Depart: Tue 9 Dec 2014 Return: Wed 28 Jan 2015 Trip spans 51 days
United
United
MAN
04:00
IAD
21:10
17h 10m
2 stops
IAD
07:15
MAN
22:50
15h 35m
2 stops
Depart: Tue 16 Dec 2014 Return: Thu 25 Dec 2014 Trip spans 10 days
United
United
GLA
04:00
IAD
21:10
17h 10m
2 stops
IAD
03:23
GLA
21:30
18h 07m
2 stops
Depart: Sun 14 Dec 2014 Return: Wed 28 Jan 2015 Trip spans 46 days
Delta
Delta
MAN
00:55
IAD
16:32
15h 37m
2 stops
IAD
10:50
MAN
03:20
16h 30m
2 stops
Depart: Thu 1 Jan 2015 Return: Mon 12 Jan 2015 Trip spans 12 days
Delta
Delta
LHR
06:25
IAD
15:00
8h 35m
nonstop
IAD
10:50
LHR
21:05
10h 15m
1 stop
Depart: Wed 24 Dec 2014 Return: Wed 31 Dec 2014 Trip spans 8 days
United
United
EDI
04:05
IAD
11:19
31h 14m
2 stops
IAD
03:17
EDI
21:35
18h 18m
2 stops
Depart: Thu 12 Mar 2015 Return: Tue 24 Mar 2015 Trip spans 13 days
Multiple Airlines
Multiple Airlines
MAN
01:55
IAD
21:12
19h 17m
2 stops
IAD
08:30
MAN
02:20
17h 50m
2 stops
Depart: Wed 8 Apr 2015 Return: Thu 16 Apr 2015 Trip spans 9 days
Aeroflot
Aeroflot
LHR
18:45
IAD
13:50
19h 05m
1 stop
IAD
10:50
LHR
03:05
16h 15m
1 stop
Depart: Mon 15 Dec 2014 Return: Tue 13 Jan 2015 Trip spans 30 days
Turkish Airlines
Turkish Airlines
LGW
12:20
IAD
18:25
30h 05m
1 stop
IAD
18:30
LGW
00:35
30h 05m
1 stop
Depart: Sun 30 Nov 2014 Return: Tue 20 Jan 2015 Trip spans 52 days
Virgin Atlantic
Virgin Atlantic
EDI
13:40
IAD
15:00
25h 20m
1 stop
IAD
10:50
EDI
00:40
13h 50m
2 stops
Depart: Sun 7 Dec 2014 Return: Sun 14 Dec 2014 Trip spans 8 days
Aer Lingus
Aer Lingus
LGW
01:50
IAD
15:20
13h 30m
1 stop
IAD
17:15
LGW
06:05
12h 50m
1 stop
Depart: Thu 25 Dec 2014 Return: Tue 30 Dec 2014 Trip spans 6 days
KLM Royal Dutch
KLM Royal Dutch
EDI
00:50
IAD
15:35
14h 45m
1 stop
IAD
08:00
EDI
00:15
16h 15m
2 stops
Depart: Sat 21 Mar 2015 Return: Thu 26 Mar 2015 Trip spans 6 days
Turkish Airlines
Turkish Airlines
MAN
12:25
IAD
19:25
31h 00m
1 stop
IAD
20:30
MAN
02:05
29h 35m
1 stop
Depart: Thu 18 Dec 2014 Return: Thu 25 Dec 2014 Trip spans 8 days
British Airways
British Airways
GLA
02:55
IAD
14:25
11h 30m
1 stop
IAD
17:20
GLA
04:35
11h 15m
1 stop
Change your search
Airports
Origin

Birmingham
£459
Glasgow
£501
London
only £417
only £401
Edinburgh
£460
Manchester
£413
Destination

Washington
£401