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Find Deals on Flights 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: Fri 9 Oct 2015 Return: Sun 25 Oct 2015 Trip spans 17 days
£375
Select
Icelandair
Icelandair
LGW
09:10
IAD
20:10
11h 00m
1 stop
IAD
16:45
LGW
03:15
10h 30m
1 stop
Depart: Wed 9 Sep 2015 Return: Sat 26 Sep 2015 Trip spans 18 days
£382
Select
Icelandair
Icelandair
MAN
09:25
IAD
20:10
10h 45m
1 stop
IAD
16:35
MAN
02:35
10h 00m
1 stop
Depart: Mon 12 Oct 2015 Return: Tue 20 Oct 2015 Trip spans 9 days
£392
Select
Icelandair
Icelandair
LHR
17:10
IAD
20:10
27h 00m
1 stop
IAD
16:35
LHR
02:45
10h 10m
1 stop
Depart: Thu 17 Sep 2015 Return: Wed 30 Sep 2015 Trip spans 14 days
£427
Select
Virgin Atlantic
Virgin Atlantic
MAN
06:35
IAD
00:41
18h 06m
1 stop
IAD
09:08
MAN
01:00
15h 52m
1 stop
Depart: Mon 23 Nov 2015 Return: Mon 30 Nov 2015 Trip spans 8 days
£431
Select
Delta
Delta
MAN
05:20
IAD
20:48
15h 28m
1 stop
IAD
12:15
MAN
03:00
14h 45m
2 stops
Depart: Wed 9 Dec 2015 Return: Sun 27 Dec 2015 Trip spans 19 days
£440
Select
Delta
Delta
LHR
05:55
IAD
14:20
8h 25m
nonstop
IAD
08:35
LHR
22:45
14h 10m
1 stop
Depart: Fri 11 Sep 2015 Return: Wed 16 Sep 2015 Trip spans 6 days
£450
Select
Delta
Delta
EDI
02:00
IAD
19:56
17h 56m
2 stops
IAD
14:55
EDI
03:40
12h 45m
1 stop
Depart: Sat 12 Dec 2015 Return: Mon 28 Dec 2015 Trip spans 17 days
£459
Select
Aer Lingus
Aer Lingus
LHR
03:50
IAD
15:25
11h 35m
1 stop
IAD
12:20
LHR
23:15
10h 55m
1 stop
Depart: Fri 28 Aug 2015 Return: Thu 10 Sep 2015 Trip spans 14 days
£477
Select
British Airways
British Airways
GLA
03:50
IAD
14:45
10h 55m
1 stop
IAD
14:30
GLA
04:15
13h 45m
1 stop
Depart: Tue 6 Oct 2015 Return: Tue 13 Oct 2015 Trip spans 8 days
£486
Select
SAS
SAS
LHR
16:30
IAD
16:00
23h 30m
1 stop
IAD
13:15
LHR
12:15
23h 00m
1 stop
Depart: Fri 23 Oct 2015 Return: Sun 8 Nov 2015 Trip spans 17 days
£487
Select
SAS
SAS
BHX
15:15
IAD
16:00
24h 45m
1 stop
IAD
12:15
BHX
23:30
11h 15m
1 stop
Depart: Sun 4 Oct 2015 Return: Thu 15 Oct 2015 Trip spans 12 days
£489
Select
SAS
SAS
MAN
15:25
IAD
16:00
24h 35m
1 stop
IAD
13:15
MAN
00:35
11h 20m
1 stop
Depart: Sun 3 Jan 2016 Return: Wed 10 Feb 2016 Trip spans 39 days
£489
Select
Lufthansa
Lufthansa
MAN
13:05
IAD
15:55
26h 50m
1 stop
IAD
13:05
MAN
01:15
12h 10m
1 stop
Depart: Mon 24 Aug 2015 Return: Mon 7 Sep 2015 Trip spans 15 days
£494
Select
Aer Lingus
Aer Lingus
BHX
15:55
IAD
16:30
24h 35m
1 stop
IAD
13:20
BHX
22:35
9h 15m
1 stop
Depart: Fri 25 Sep 2015 Return: Tue 6 Oct 2015 Trip spans 12 days
£500
Select
Aer Lingus
Aer Lingus
LGW
05:10
IAD
16:35
11h 25m
1 stop
IAD
18:25
LGW
05:25
11h 00m
1 stop
Depart: Tue 18 Aug 2015 Return: Sun 30 Aug 2015 Trip spans 13 days
£504
Select
American Airlines
American Airlines
GLA
06:20
IAD
22:23
16h 03m
2 stops
IAD
09:45
GLA
21:55
12h 10m
2 stops
Depart: Thu 31 Dec 2015 Return: Mon 8 Feb 2016 Trip spans 40 days
£519
Select
British Airways
British Airways
MAN
03:35
IAD
14:25
10h 50m
1 stop
IAD
13:30
MAN
01:20
11h 50m
1 stop
Depart: Sun 25 Oct 2015 Return: Tue 10 Nov 2015 Trip spans 17 days
£523
Select
Air Canada
Air Canada
BHX
04:50
IAD
17:23
36h 33m
2 stops
IAD
09:20
BHX
22:10
12h 50m
2 stops
Depart: Fri 25 Dec 2015 Return: Tue 5 Jan 2016 Trip spans 12 days
£529
Select
Virgin Atlantic
Virgin Atlantic
LHR
12:35
IAD
10:08
21h 33m
1 stop
IAD
07:45
LHR
21:20
13h 35m
1 stop
Depart: Sun 23 Aug 2015 Return: Sun 6 Sep 2015 Trip spans 15 days
£540
Select
Delta
Delta
BHX
09:15
IAD
16:30
31h 15m
1 stop
IAD
09:08
BHX
03:30
18h 22m
2 stops
Airports
Origin

London
only £392
only £375
Manchester
£382
Glasgow
£477
Edinburgh
£450
Birmingham
£487
Destination

Washington
£375