Browse Origins:
  • United Kingdom:
Browse Destinations:

Find flight deals from United Kingdom to Washington

Flexible dates? Here are the best fares found in the past 48 hours...

Book cheap flights to Washington

(Round-trip)
Depart: Thu 19 Mar 2015 Return: Thu 7 May 2015 Trip spans 50 days
Delta
Delta
EDI
07:20
IAD
21:12
13h 52m
2 stops
IAD
14:40
EDI
01:40
11h 00m
1 stop
Depart: Fri 5 Dec 2014 Return: Sun 7 Dec 2014 Trip spans 3 days
United
United
GLA
04:00
IAD
11:25
31h 25m
1 stop
IAD
03:14
GLA
21:30
18h 16m
2 stops
Depart: Thu 22 Jan 2015 Return: Tue 27 Jan 2015 Trip spans 6 days
Delta
Delta
LHR
06:25
IAD
15:00
8h 35m
nonstop
IAD
10:50
LHR
21:05
10h 15m
1 stop
Depart: Thu 5 Mar 2015 Return: Wed 18 Mar 2015 Trip spans 13 days
Icelandair
Icelandair
LGW
07:30
IAD
18:30
11h 00m
1 stop
IAD
16:45
LGW
03:15
10h 30m
1 stop
Depart: Thu 4 Dec 2014 Return: Mon 8 Dec 2014 Trip spans 5 days
Delta
Delta
LHR
05:10
DCA
16:48
11h 38m
1 stop
DCA
14:17
LHR
01:00
10h 43m
1 stop
Depart: Sun 22 Feb 2015 Return: Thu 26 Feb 2015 Trip spans 5 days
Icelandair
Icelandair
LHR
08:00
IAD
18:30
10h 30m
1 stop
IAD
14:45
LHR
09:30
18h 45m
1 stop
Depart: Sun 14 Dec 2014 Return: Wed 28 Jan 2015 Trip spans 46 days
Multiple Airlines
Multiple Airlines
MAN
09:15
IAD
15:00
29h 45m
1 stop
IAD
10:50
MAN
23:50
13h 00m
2 stops
Depart: Sun 29 Mar 2015 Return: Thu 16 Apr 2015 Trip spans 19 days
Aeroflot
Aeroflot
LHR
18:45
IAD
13:50
19h 05m
1 stop
IAD
10:50
LHR
23:00
36h 10m
1 stop
Depart: Sun 11 Jan 2015 Return: Sun 18 Jan 2015 Trip spans 8 days
SAS
SAS
MAN
14:25
IAD
15:15
24h 50m
1 stop
IAD
12:15
MAN
08:40
20h 25m
1 stop
Depart: Mon 1 Dec 2014 Return: Fri 12 Dec 2014 Trip spans 12 days
Multiple Airlines
Multiple Airlines
BHX
12:25
IAD
15:35
27h 10m
1 stop
IAD
01:00
BHX
22:25
21h 25m
2 stops
Depart: Sun 30 Nov 2014 Return: Mon 8 Dec 2014 Trip spans 9 days
Delta
Delta
MAN
13:25
IAD
15:00
25h 35m
1 stop
IAD
14:15
MAN
23:50
9h 35m
1 stop
Depart: Thu 26 Mar 2015 Return: Thu 16 Apr 2015 Trip spans 22 days
SAS
SAS
LHR
02:40
IAD
16:15
13h 35m
1 stop
IAD
13:15
LHR
07:00
17h 45m
1 stop
Depart: Wed 24 Dec 2014 Return: Tue 13 Jan 2015 Trip spans 21 days
United
United
MAN
04:00
IAD
07:35
27h 35m
2 stops
IAD
07:15
MAN
21:30
14h 15m
2 stops
Depart: Mon 2 Mar 2015 Return: Thu 26 Mar 2015 Trip spans 24 days
KLM Royal Dutch
KLM Royal Dutch
LHR
03:40
IAD
15:30
11h 50m
1 stop
IAD
13:00
LHR
01:00
12h 00m
1 stop
Depart: Sun 15 Mar 2015 Return: Wed 13 May 2015 Trip spans 60 days
Austrian Airlines
Austrian Airlines
LHR
05:05
IAD
15:40
34h 35m
1 stop
IAD
13:50
LHR
12:30
22h 40m
1 stop
Depart: Wed 31 Dec 2014 Return: Sun 18 Jan 2015 Trip spans 19 days
American Airlines
American Airlines
LHR
04:55
DCA
22:50
17h 55m
1 stop
DCA
07:47
LHR
21:15
13h 28m
1 stop
Depart: Mon 15 Dec 2014 Return: Thu 29 Jan 2015 Trip spans 46 days
American Airlines
American Airlines
MAN
05:30
DCA
19:38
14h 08m
2 stops
DCA
10:03
MAN
23:15
13h 12m
2 stops
Depart: Thu 25 Dec 2014 Return: Sun 25 Jan 2015 Trip spans 32 days
American Airlines
American Airlines
LHR
12:00
IAD
20:15
8h 15m
nonstop
IAD
08:40
LHR
21:05
12h 25m
1 stop
Depart: Wed 18 Mar 2015 Return: Thu 7 May 2015 Trip spans 51 days
United
United
EDI
04:05
IAD
07:41
27h 36m
2 stops
IAD
02:00
EDI
00:45
22h 45m
1 stop
Depart: Wed 1 Apr 2015 Return: Sun 5 Apr 2015 Trip spans 5 days
Turkish Airlines
Turkish Airlines
LGW
13:10
IAD
19:10
30h 00m
1 stop
IAD
19:25
LGW
01:50
30h 25m
1 stop
Change your search
Airports
Origin

Birmingham
£469
Glasgow
£401
London
only £403
only £403
Edinburgh
£368
Manchester
£433
Destination

Washington
only £368
only £410