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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 19 Feb 2015 Return: Mon 2 Mar 2015 Trip spans 12 days
Delta
Delta
EDI
01:35
IAD
15:00
13h 25m
1 stop
IAD
12:00
EDI
00:40
12h 40m
2 stops
Depart: Tue 10 Mar 2015 Return: Wed 18 Mar 2015 Trip spans 9 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 23 Feb 2015 Return: Tue 17 Mar 2015 Trip spans 22 days
Icelandair
Icelandair
LHR
15:35
IAD
18:30
26h 55m
1 stop
IAD
16:45
LHR
11:30
18h 45m
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: Sat 10 Jan 2015 Return: Sun 11 Jan 2015 Trip spans 2 days
United
United
LHR
07:00
IAD
15:30
8h 30m
nonstop
IAD
09:51
LHR
20:20
10h 29m
1 stop
Depart: Sun 18 Jan 2015 Return: Mon 26 Jan 2015 Trip spans 9 days
Aeroflot
Aeroflot
LHR
17:30
IAD
12:20
18h 50m
1 stop
IAD
09:05
LHR
11:05
26h 00m
1 stop
Depart: Wed 4 Feb 2015 Return: Wed 11 Mar 2015 Trip spans 35 days
SAS
SAS
MAN
14:25
IAD
15:15
24h 50m
1 stop
IAD
14:15
MAN
01:35
11h 20m
1 stop
Depart: Wed 25 Feb 2015 Return: Mon 9 Mar 2015 Trip spans 12 days
Delta
Delta
LHR
06:25
IAD
15:00
8h 35m
nonstop
IAD
13:00
LHR
23:05
10h 05m
1 stop
Depart: Tue 17 Feb 2015 Return: Sun 1 Mar 2015 Trip spans 13 days
United
United
EDI
04:05
IAD
21:03
16h 58m
2 stops
IAD
07:30
EDI
21:35
14h 05m
2 stops
Depart: Mon 16 Feb 2015 Return: Mon 2 Mar 2015 Trip spans 15 days
Multiple Airlines
Multiple Airlines
EDI
03:25
IAD
15:35
12h 10m
1 stop
IAD
13:50
EDI
06:35
16h 45m
1 stop
Depart: Wed 18 Feb 2015 Return: Mon 2 Mar 2015 Trip spans 13 days
KLM Royal Dutch
KLM Royal Dutch
EDI
00:50
IAD
15:35
14h 45m
1 stop
IAD
13:00
EDI
02:50
13h 50m
1 stop
Depart: Fri 23 Jan 2015 Return: Fri 30 Jan 2015 Trip spans 8 days
SAS
SAS
LHR
01:40
IAD
15:15
13h 35m
1 stop
IAD
12:15
LHR
03:05
14h 50m
1 stop
Depart: Fri 9 Jan 2015 Return: Mon 12 Jan 2015 Trip spans 4 days
US Airways
US Airways
MAN
07:00
IAD
20:15
13h 15m
1 stop
IAD
13:30
MAN
01:20
11h 50m
1 stop
Depart: Thu 30 Apr 2015 Return: Mon 4 May 2015 Trip spans 5 days
Turkish Airlines
Turkish Airlines
LGW
08:35
IAD
19:10
34h 35m
1 stop
IAD
19:25
LGW
00:05
28h 40m
1 stop
Depart: Mon 22 Dec 2014 Return: Thu 15 Jan 2015 Trip spans 25 days
Lufthansa
Lufthansa
LCY
13:15
IAD
15:55
26h 40m
1 stop
IAD
13:05
LCY
23:30
10h 25m
1 stop
Depart: Sat 28 Mar 2015 Return: Sun 5 Apr 2015 Trip spans 9 days
Multiple Airlines
Multiple Airlines
LHR
15:35
IAD
14:05
22h 30m
1 stop
IAD
18:00
LHR
12:00
18h 00m
1 stop
Depart: Tue 27 Jan 2015 Return: Wed 28 Jan 2015 Trip spans 2 days
Turkish Airlines
Turkish Airlines
MAN
11:25
IAD
18:25
31h 00m
1 stop
IAD
18:30
MAN
00:05
29h 35m
1 stop
Depart: Sun 8 Feb 2015 Return: Fri 13 Feb 2015 Trip spans 6 days
Turkish Airlines
Turkish Airlines
LHR
17:30
IAD
18:25
24h 55m
1 stop
IAD
18:30
LHR
12:15
17h 45m
1 stop
Depart: Fri 5 Jun 2015 Return: Sun 14 Jun 2015 Trip spans 10 days
Aer Lingus
Aer Lingus
MAN
04:00
IAD
16:35
12h 35m
1 stop
IAD
13:20
MAN
22:30
9h 10m
1 stop
Depart: Sat 3 Jan 2015 Return: Sat 10 Jan 2015 Trip spans 8 days
Multiple Airlines
Multiple Airlines
LCY
06:40
IAD
15:35
32h 55m
1 stop
IAD
13:05
LCY
03:00
13h 55m
1 stop
Change your search
Airports
Origin

London
only £423
only £551
only £404
Manchester
£441
Edinburgh
£403
Destination

Washington
£403