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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: Mon 16 Mar 2015 Return: Tue 24 Mar 2015 Trip spans 9 days
£407
Select
Delta
Delta
LHR
07:25
IAD
16:00
8h 35m
nonstop
IAD
06:52
LHR
23:05
16h 13m
1 stop
Depart: Thu 19 Mar 2015 Return: Wed 25 Mar 2015 Trip spans 7 days
£416
Select
Virgin Atlantic
Virgin Atlantic
LHR
13:35
IAD
10:21
20h 46m
1 stop
IAD
16:15
LHR
23:35
7h 20m
nonstop
Depart: Thu 4 Jun 2015 Return: Tue 16 Jun 2015 Trip spans 13 days
£417
Select
Icelandair
Icelandair
LHR
09:00
IAD
20:10
11h 10m
1 stop
IAD
10:10
LHR
11:10
25h 00m
1 stop
Depart: Tue 10 Mar 2015 Return: Thu 19 Mar 2015 Trip spans 10 days
£420
Select
KLM Royal Dutch
KLM Royal Dutch
GLA
05:20
IAD
16:30
11h 10m
1 stop
IAD
08:40
GLA
07:30
22h 50m
2 stops
Depart: Wed 17 Jun 2015 Return: Tue 23 Jun 2015 Trip spans 7 days
£420
Select
Icelandair
Icelandair
MAN
09:25
IAD
20:10
10h 45m
1 stop
IAD
10:10
MAN
02:35
16h 25m
1 stop
Depart: Wed 25 Mar 2015 Return: Fri 10 Apr 2015 Trip spans 17 days
£434
Select
Multiple Airlines
Multiple Airlines
MAN
01:55
IAD
16:30
14h 35m
1 stop
IAD
13:45
MAN
05:40
15h 55m
1 stop
Depart: Sat 30 May 2015 Return: Sun 31 May 2015 Trip spans 2 days
£438
Select
United
United
LHR
08:00
IAD
22:20
14h 20m
1 stop
IAD
05:20
LHR
12:55
7h 35m
nonstop
Depart: Wed 1 Apr 2015 Return: Mon 13 Apr 2015 Trip spans 13 days
£464
Select
Brussels Airlines
Brussels Airlines
MAN
13:45
IAD
13:55
24h 10m
1 stop
IAD
13:50
MAN
01:15
11h 25m
1 stop
Depart: Tue 19 May 2015 Return: Wed 3 Jun 2015 Trip spans 16 days
£475
Select
Multiple Airlines
Multiple Airlines
BHX
05:40
IAD
16:30
10h 50m
1 stop
IAD
05:40
BHX
23:25
17h 45m
2 stops
Depart: Sat 18 Apr 2015 Return: Sun 3 May 2015 Trip spans 16 days
£478
Select
Aer Lingus
Aer Lingus
LHR
17:10
IAD
16:25
23h 15m
1 stop
IAD
18:20
LHR
04:30
10h 10m
1 stop
Depart: Mon 7 Sep 2015 Return: Mon 21 Sep 2015 Trip spans 15 days
£479
Select
Delta
Delta
BHX
05:20
IAD
17:10
11h 50m
1 stop
IAD
14:50
BHX
03:55
13h 05m
1 stop
Depart: Mon 21 Sep 2015 Return: Wed 30 Sep 2015 Trip spans 10 days
£493
Select
Icelandair
Icelandair
BHX
09:25
IAD
20:10
10h 45m
1 stop
IAD
16:35
BHX
02:25
9h 50m
1 stop
Depart: Tue 22 Sep 2015 Return: Tue 29 Sep 2015 Trip spans 8 days
£498
Select
Air France
Air France
BHX
15:45
IAD
17:10
25h 25m
1 stop
IAD
14:50
BHX
03:55
13h 05m
1 stop
Depart: Wed 9 Sep 2015 Return: Mon 5 Oct 2015 Trip spans 27 days
£502
Select
Multiple Airlines
Multiple Airlines
LHR
02:45
IAD
16:30
37h 45m
3 stops
IAD
13:45
LHR
14:05
48h 20m
3 stops
Depart: Fri 4 Sep 2015 Return: Mon 7 Sep 2015 Trip spans 4 days
£512
Select
Aeroflot
Aeroflot
LHR
18:45
IAD
13:55
19h 10m
1 stop
IAD
11:00
LHR
12:25
25h 25m
1 stop
Depart: Sat 20 Jun 2015 Return: Mon 13 Jul 2015 Trip spans 24 days
£532
Select
British Airways
British Airways
GLA
03:50
IAD
14:45
10h 55m
1 stop
IAD
14:30
GLA
02:25
11h 55m
1 stop
Depart: Sat 12 Sep 2015 Return: Sat 26 Sep 2015 Trip spans 15 days
£537
Select
Icelandair
Icelandair
LGW
08:35
IAD
13:45
29h 10m
1 stop
IAD
16:35
LGW
02:45
10h 10m
1 stop
Depart: Sat 4 Apr 2015 Return: Tue 7 Apr 2015 Trip spans 4 days
£543
Select
British Airways
British Airways
MAN
03:05
IAD
14:45
11h 40m
1 stop
IAD
14:30
MAN
00:05
9h 35m
1 stop
Depart: Sat 11 Apr 2015 Return: Sun 26 Apr 2015 Trip spans 16 days
£557
Select
Lufthansa
Lufthansa
MAN
06:55
IAD
15:00
8h 05m
nonstop
IAD
14:25
MAN
21:55
7h 30m
nonstop
Depart: Thu 10 Sep 2015 Return: Thu 24 Sep 2015 Trip spans 15 days
£561
Select
Turkish Airlines
Turkish Airlines
LGW
13:10
IAD
19:10
30h 00m
1 stop
IAD
19:25
LGW
00:05
28h 40m
1 stop
Change your search
Airports
Origin

London
only £407
only £537
Manchester
£420
Glasgow
£420
Birmingham
£475
Destination

Washington
£407