Find Deals on Flights from Washington to London (WAS - LON)

Depart
Return
1 adult
Adults
18+
Youths
12-17
Children
2-11
Seat infants
under 2
Lap infants
under 2
The price shown for each flight will be the average for all passengers, including any infants.
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Flexible dates? Here are the best fares found in the past 48 hours...

Book cheap flights from Washington to London

(Round-trip)
Depart: Sat 22 Oct 2016 Return: Sun 23 Oct 2016 Trip spans 2 days
£479
Select
Major Airline
Major Airline
IAD
LHR
9h 20m
1 stop
LHR
IAD
12h 35m
1 stop
Depart: Fri 16 Sep 2016 Return: Fri 30 Sep 2016 Trip spans 15 days
£480
Select
Aer Lingus
Aer Lingus
IAD
LHR
12h 50m
1 stop
LHR
IAD
10h 45m
1 stop
Depart: Sat 19 Nov 2016 Return: Sat 26 Nov 2016 Trip spans 8 days
£490
Select
Icelandair
Icelandair
IAD
LGW
10h 30m
1 stop
LGW
IAD
11h 00m
1 stop
Depart: Mon 7 Nov 2016 Return: Mon 14 Nov 2016 Trip spans 8 days
£531
Select
Austrian Airlines
Austrian Airlines
IAD
LHR
7h 10m
nonstop
LHR
IAD
8h 30m
nonstop
Depart: Thu 19 May 2016 Return: Sun 22 May 2016 Trip spans 4 days
£550
Select
Finnair
Finnair
DCA
LHR
38h 11m
2 stops
LHR
DCA
19h 33m
1 stop
Depart: Thu 3 Nov 2016 Return: Sat 5 Nov 2016 Trip spans 3 days
£568
Select
SWISS
SWISS
IAD
LCY
33h 30m
1 stop
LCY
IAD
34h 15m
1 stop
Depart: Fri 28 Oct 2016 Return: Mon 31 Oct 2016 Trip spans 4 days
£574
Select
Turkish Airlines
Turkish Airlines
IAD
LGW
36h 40m
1 stop
LGW
IAD
37h 30m
1 stop
Depart: Fri 1 Jul 2016 Return: Sun 3 Jul 2016 Trip spans 3 days
£596
Select
United
United
DCA
LHR
18h 20m
1 stop
LHR
DCA
17h 57m
2 stops
Depart: Mon 21 Nov 2016 Return: Mon 5 Dec 2016 Trip spans 15 days
£604
Select
British Airways
British Airways
IAD
LCY
11h 50m
1 stop
LCY
IAD
13h 55m
1 stop
Depart: Sat 14 May 2016 Return: Thu 26 May 2016 Trip spans 13 days
£606
Select
Lufthansa
Lufthansa
IAD
LHR
11h 15m
1 stop
LHR
IAD
13h 05m
1 stop
Depart: Sun 12 Jun 2016 Return: Tue 21 Jun 2016 Trip spans 10 days
£652
Select
Virgin Atlantic
Virgin Atlantic
IAD
LHR
7h 25m
nonstop
LHR
IAD
8h 15m
nonstop
Depart: Thu 29 Sep 2016 Return: Tue 4 Oct 2016 Trip spans 6 days
£695
Select
Air Canada
Air Canada
DCA
LHR
9h 15m
1 stop
LHR
DCA
10h 55m
1 stop
Depart: Sun 31 Jul 2016 Return: Tue 16 Aug 2016 Trip spans 17 days
£727
Select
American Airlines
American Airlines
DCA
LGW
15h 01m
1 stop
LGW
DCA
11h 22m
1 stop
Depart: Wed 2 Nov 2016 Return: Mon 7 Nov 2016 Trip spans 6 days
£494
Select
Major Airline
Major Airline
IAD
LHR
7h 10m
nonstop
LHR
IAD
11h 35m
1 stop
Depart: Sun 11 Sep 2016 Return: Sun 18 Sep 2016 Trip spans 8 days
£503
Select
Icelandair
Icelandair
IAD
LGW
16h 35m
1 stop
LGW
IAD
20h 35m
1 stop
Depart: Tue 1 Nov 2016 Return: Tue 22 Nov 2016 Trip spans 22 days
£499
Select
Major Airline
Major Airline
DCA
LHR
11h 10m
1 stop
LHR
DCA
12h 03m
1 stop
Depart: Thu 9 Jun 2016 Return: Sun 12 Jun 2016 Trip spans 4 days
£550
Select
Finnair
Finnair
DCA
LHR
39h 40m
2 stops
LHR
DCA
19h 32m
1 stop
Depart: Tue 13 Sep 2016 Return: Wed 28 Sep 2016 Trip spans 16 days
£507
Select
Icelandair
Icelandair
IAD
LHR
16h 35m
1 stop
LHR
IAD
11h 00m
1 stop
Depart: Fri 6 May 2016 Return: Sat 14 May 2016 Trip spans 9 days
£570
Select
Austrian Airlines
Austrian Airlines
IAD
LHR
7h 30m
nonstop
LHR
IAD
8h 15m
nonstop
Depart: Thu 24 Nov 2016 Return: Sat 3 Dec 2016 Trip spans 10 days
£499
Select
Major Airline
Major Airline
IAD
LHR
7h 20m
nonstop
LHR
IAD
8h 30m
nonstop
Direct flights WAS - LON on British Airways
Flight # Depart BWI Arrive LHR Mon Tue Wed Thu Fri Sat Sun Valid between
228 21:35 09:55 29 Apr - 29 Jul
228 21:45 10:05 28 Apr - 31 Jul
Flight # Depart IAD Arrive LHR Mon Tue Wed Thu Fri Sat Sun Valid between
216 18:30 06:50 28 Apr - 28 Oct
216 18:30 06:50 30 Apr - 25 Jun
292 22:25 10:40 21 May - 28 May
292 22:25 10:40 10 Jun - 17 Jun
292 22:25 10:40 30 May - 6 Jun
292 22:25 10:40 29 May - 31 May
292 22:25 10:40 7 May - 14 May
292 22:25 10:40 10 May - 13 May
292 22:25 10:40 15 May - 22 May
292 22:25 10:40 19 May - 27 May
292 22:25 10:40 7 Jun - 14 Jun
* We make every attempt to get accurate prices and fees; however, prices and fees are not guaranteed, and may be subject to last minute changes over which we have no control.
Airports
Origin

Washington
only £479
only £499
Destination

London
only £479
only £568
only £490