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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: Mon 2 Feb 2015 Return: Tue 24 Feb 2015 Trip spans 23 days
Delta
Delta
EDI
01:35
IAD
15:00
13h 25m
1 stop
IAD
12:04
EDI
00:40
12h 36m
2 stops
Depart: Wed 28 Jan 2015 Return: Tue 24 Feb 2015 Trip spans 28 days
Icelandair
Icelandair
LHR
15:35
IAD
18:30
26h 55m
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: Sun 25 Jan 2015 Return: Sun 1 Feb 2015 Trip spans 8 days
United
United
MAN
04:00
IAD
11:21
31h 21m
2 stops
IAD
03:35
MAN
22:50
19h 15m
2 stops
Depart: Wed 25 Feb 2015 Return: Tue 3 Mar 2015 Trip spans 7 days
Lufthansa
Lufthansa
MAN
01:15
IAD
14:35
13h 20m
1 stop
IAD
13:05
MAN
01:15
12h 10m
1 stop
Depart: Thu 19 Feb 2015 Return: Mon 2 Mar 2015 Trip spans 12 days
Brussels Airlines
Brussels Airlines
EDI
01:00
IAD
14:50
13h 50m
1 stop
IAD
12:45
EDI
05:05
16h 20m
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: Wed 18 Mar 2015 Return: Mon 23 Mar 2015 Trip spans 6 days
Delta
Delta
LHR
07:25
IAD
16:00
8h 35m
nonstop
IAD
13:00
LHR
23:05
10h 05m
1 stop
Depart: Mon 23 Mar 2015 Return: Sun 12 Apr 2015 Trip spans 21 days
Multiple Airlines
Multiple Airlines
MAN
02:15
IAD
16:55
14h 40m
1 stop
IAD
13:50
MAN
01:15
11h 25m
1 stop
Depart: Wed 1 Apr 2015 Return: Thu 9 Apr 2015 Trip spans 9 days
Lufthansa
Lufthansa
LHR
06:30
IAD
20:45
14h 15m
1 stop
IAD
18:30
LHR
06:40
12h 10m
1 stop
Depart: Thu 15 Jan 2015 Return: Mon 19 Jan 2015 Trip spans 5 days
Air France
Air France
MAN
03:45
IAD
16:25
12h 40m
1 stop
IAD
13:55
MAN
01:00
11h 05m
1 stop
Depart: Sun 15 Mar 2015 Return: Sun 22 Mar 2015 Trip spans 8 days
SAS
SAS
MAN
15:25
IAD
16:15
24h 50m
1 stop
IAD
14:15
MAN
01:35
11h 20m
1 stop
Depart: Thu 2 Apr 2015 Return: Sun 5 Apr 2015 Trip spans 4 days
Multiple Airlines
Multiple Airlines
LHR
02:00
IAD
15:05
13h 05m
1 stop
IAD
18:00
LHR
12:00
18h 00m
1 stop
Depart: Sat 7 Feb 2015 Return: Sat 21 Feb 2015 Trip spans 15 days
SAS
SAS
LHR
01:40
IAD
15:15
13h 35m
1 stop
IAD
12:15
LHR
03:05
14h 50m
1 stop
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: Thu 30 Apr 2015 Return: Thu 7 May 2015 Trip spans 8 days
United
United
LHR
03:30
IAD
16:25
12h 55m
1 stop
IAD
17:55
LHR
01:20
7h 25m
nonstop
Depart: Thu 11 Jun 2015 Return: Tue 16 Jun 2015 Trip spans 6 days
Delta
Delta
MAN
07:55
IAD
22:12
14h 17m
1 stop
IAD
09:30
MAN
23:30
14h 00m
1 stop
Depart: Sun 4 Jan 2015 Return: Wed 28 Jan 2015 Trip spans 25 days
Multiple Airlines
Multiple Airlines
LCY
13:00
IAD
15:35
26h 35m
1 stop
IAD
13:05
LCY
22:55
9h 50m
1 stop
Depart: Sun 1 Feb 2015 Return: Thu 5 Feb 2015 Trip spans 5 days
Turkish Airlines
Turkish Airlines
LGW
12:20
IAD
18:25
30h 05m
1 stop
IAD
18:30
LGW
01:45
31h 15m
1 stop
Change your search
Airports
Origin

London
only £423
only £561
only £404
Manchester
£435
Edinburgh
£408
Destination

Washington
£404