Browse Origins:
Browse Destinations:

Find flight deals from Washington to London (WAS - LON)

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

Book cheap flights from Washington to London

(Round-trip)
Depart: Mon 4 May 2015 Return: Wed 3 Jun 2015 Trip spans 31 days
£532
Select
Aeroflot
Aeroflot
IAD
11:00
LHR
03:05
16h 05m
1 stop
LHR
18:45
IAD
13:55
19h 10m
1 stop
Depart: Sun 3 May 2015 Return: Fri 5 Jun 2015 Trip spans 34 days
£590
Select
Turkish Airlines
Turkish Airlines
IAD
19:25
LGW
00:05
28h 40m
1 stop
LGW
08:35
IAD
19:10
34h 35m
1 stop
Depart: Tue 1 Sep 2015 Return: Thu 24 Sep 2015 Trip spans 24 days
£608
Select
Icelandair
Icelandair
IAD
10:10
LHR
11:10
25h 00m
1 stop
LHR
09:00
IAD
20:10
11h 10m
1 stop
Depart: Sun 7 Jun 2015 Return: Tue 30 Jun 2015 Trip spans 24 days
£619
Select
Turkish Airlines
Turkish Airlines
IAD
19:25
LHR
13:30
18h 05m
1 stop
LHR
18:30
IAD
19:10
24h 40m
1 stop
Depart: Wed 3 Jun 2015 Return: Tue 23 Jun 2015 Trip spans 21 days
£635
Select
SAS
SAS
IAD
13:15
LHR
12:15
23h 00m
1 stop
LHR
02:40
IAD
16:00
13h 20m
1 stop
Depart: Mon 1 Jun 2015 Return: Mon 8 Jun 2015 Trip spans 8 days
£644
Select
Aer Lingus
Aer Lingus
IAD
13:20
LHR
02:10
12h 50m
1 stop
LHR
04:50
IAD
16:35
11h 45m
1 stop
Depart: Sun 14 Jun 2015 Return: Mon 22 Jun 2015 Trip spans 9 days
£678
Select
Aeromexico
Aeromexico
IAD
21:15
LHR
07:05
33h 50m
1 stop
LHR
18:35
IAD
00:59
30h 24m
1 stop
Depart: Wed 10 Jun 2015 Return: Thu 16 Jul 2015 Trip spans 37 days
£710
Select
Aer Lingus
Aer Lingus
IAD
13:20
LGW
23:25
10h 05m
1 stop
LGW
15:00
IAD
16:35
25h 35m
1 stop
Depart: Sat 16 May 2015 Return: Sun 24 May 2015 Trip spans 9 days
£732
Select
British Airways
British Airways
IAD
14:30
LHR
21:50
7h 20m
nonstop
LHR
06:45
IAD
14:45
8h 00m
nonstop
Depart: Tue 19 May 2015 Return: Tue 9 Jun 2015 Trip spans 22 days
£743
Select
Air Canada
Air Canada
DCA
02:00
LHR
12:00
10h 00m
1 stop
LHR
08:05
DCA
19:02
10h 57m
1 stop
Depart: Fri 26 Jun 2015 Return: Tue 7 Jul 2015 Trip spans 12 days
£763
Select
Aeroflot
Aeroflot
DCA
02:00
LHR
11:05
33h 05m
2 stops
LHR
18:45
DCA
23:31
28h 46m
2 stops
Depart: Wed 20 May 2015 Return: Tue 9 Jun 2015 Trip spans 21 days
£778
Select
United
United
IAD
08:30
LHR
21:25
12h 55m
1 stop
LHR
08:05
IAD
19:13
11h 08m
1 stop
Depart: Sun 10 May 2015 Return: Sat 16 May 2015 Trip spans 7 days
£843
Select
Austrian Airlines
Austrian Airlines
IAD
13:55
LHR
12:30
22h 35m
1 stop
LHR
15:25
IAD
15:05
23h 40m
1 stop
Direct flights WAS - LON on British Airways
Flight No. Departure BWI Arrival LHR Mon Tue Wed Thu Fri Sat Sun Valid between
228 21:30 09:55 10 Apr - 23 Oct
228 21:30 10:00 8 Apr - 22 Oct
228 21:30 09:50 7 Apr - 20 Oct
Flight No. Departure IAD Arrival LHR Mon Tue Wed Thu Fri Sat Sun Valid between
216 18:30 06:50 7 Apr - 23 Oct
292 22:25 10:40 29 Apr - 23 Oct
Airports
Origin

Washington
only £532
only £743
Destination

London
only £532
only £590