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: Tue 9 Feb 2016 Return: Tue 1 Mar 2016 Trip spans 22 days
£433
Select
Major Airline
Major Airline
DCA
LGW
32h 20m
1 stop
LGW
DCA
13h 12m
1 stop
Depart: Sat 23 Apr 2016 Return: Thu 28 Apr 2016 Trip spans 6 days
£434
Select
Turkish Airlines
Turkish Airlines
IAD
LGW
29h 00m
1 stop
LGW
IAD
31h 10m
1 stop
Depart: Thu 5 May 2016 Return: Thu 19 May 2016 Trip spans 15 days
£472
Select
Icelandair
Icelandair
IAD
LGW
10h 10m
1 stop
LGW
IAD
11h 00m
1 stop
Depart: Thu 12 May 2016 Return: Mon 16 May 2016 Trip spans 5 days
£479
Select
Major Airline
Major Airline
IAD
LHR
18h 35m
1 stop
LHR
IAD
27h 00m
1 stop
Depart: Tue 31 May 2016 Return: Thu 30 Jun 2016 Trip spans 31 days
£487
Select
Major Airline
Major Airline
IAD
LCY
13h 45m
1 stop
LCY
IAD
11h 45m
1 stop
Depart: Mon 18 Jul 2016 Return: Thu 25 Aug 2016 Trip spans 39 days
£516
Select
WestJet
WestJet
DCA
LGW
39h 21m
2 stops
LGW
DCA
38h 19m
2 stops
Depart: Sat 12 Mar 2016 Return: Wed 6 Apr 2016 Trip spans 25 days
£525
Select
British Airways
British Airways
DCA
LHR
10h 37m
nonstop
LHR
DCA
11h 09m
nonstop
Depart: Wed 27 Apr 2016 Return: Mon 2 May 2016 Trip spans 6 days
£529
Select
Austrian Airlines
Austrian Airlines
IAD
LHR
7h 30m
nonstop
LHR
IAD
8h 15m
nonstop
Depart: Sun 6 Mar 2016 Return: Tue 15 Mar 2016 Trip spans 9 days
£532
Select
United
United
DCA
LHR
11h 50m
1 stop
LHR
DCA
11h 11m
1 stop
Depart: Mon 7 Mar 2016 Return: Wed 16 Mar 2016 Trip spans 9 days
£532
Select
United
United
IAD
LHR
7h 25m
nonstop
LHR
IAD
8h 50m
nonstop
Depart: Sun 8 May 2016 Return: Wed 25 May 2016 Trip spans 18 days
£543
Select
British Airways
British Airways
IAD
LHR
7h 20m
nonstop
LHR
IAD
8h 00m
nonstop
Depart: Sun 1 May 2016 Return: Sun 22 May 2016 Trip spans 22 days
£554
Select
American Airlines
American Airlines
DCA
LGW
15h 09m
1 stop
LGW
DCA
14h 50m
1 stop
Depart: Tue 12 Apr 2016 Return: Wed 20 Apr 2016 Trip spans 9 days
£561
Select
Air Canada
Air Canada
DCA
LHR
10h 00m
1 stop
LHR
DCA
10h 56m
1 stop
Depart: Wed 11 May 2016 Return: Sun 29 May 2016 Trip spans 19 days
£569
Select
Iberia
Iberia
IAD
LHR
7h 20m
nonstop
LHR
IAD
8h 05m
nonstop
Depart: Mon 16 May 2016 Return: Thu 26 May 2016 Trip spans 11 days
£569
Select
Virgin Atlantic
Virgin Atlantic
IAD
LHR
7h 25m
nonstop
LHR
IAD
8h 15m
nonstop
Depart: Sun 15 May 2016 Return: Mon 23 May 2016 Trip spans 9 days
£603
Select
Aer Lingus
Aer Lingus
IAD
LCY
11h 40m
1 stop
LCY
IAD
11h 45m
1 stop
Depart: Mon 25 Jul 2016 Return: Mon 5 Sep 2016 Trip spans 43 days
£628
Select
Icelandair
Icelandair
IAD
LHR
10h 10m
1 stop
LHR
IAD
11h 00m
1 stop
Depart: Fri 10 Jun 2016 Return: Mon 13 Jun 2016 Trip spans 4 days
£638
Select
SAS
SAS
IAD
LHR
13h 10m
1 stop
LHR
IAD
13h 05m
1 stop
Depart: Tue 1 Mar 2016 Return: Mon 14 Mar 2016 Trip spans 13 days
£719
Select
Alitalia
Alitalia
IAD
LCY
19h 35m
2 stops
LCY
IAD
25h 50m
2 stops
Depart: Tue 12 Jul 2016 Return: Fri 19 Aug 2016 Trip spans 39 days
£747
Select
Finnair
Finnair
IAD
LHR
7h 20m
nonstop
LHR
IAD
8h 00m
nonstop
Direct flights WAS - LON on British Airways
Flight No. Departure BWI Arrival LHR Mon Tue Wed Thu Fri Sat Sun Valid between
228 19:15 07:30 31 Jan - 11 Mar
228 19:20 07:35 30 Jan - 12 Mar
228 20:15 07:30 13 Mar - 25 Mar
Flight No. Departure IAD Arrival LHR Mon Tue Wed Thu Fri Sat Sun Valid between
216 17:45 05:55 4 Feb - 10 Mar
216 18:15 06:25 30 Jan - 12 Mar
216 19:15 06:25 13 Mar - 25 Mar
292 22:30 10:35 13 Feb - 13 Feb
292 22:30 10:35 1 Mar - 4 Mar
292 22:30 10:35 12 Feb - 19 Feb
292 22:30 10:35 14 Feb - 20 Feb
292 22:30 10:35 21 Feb - 26 Feb
292 22:30 10:35 22 Feb - 29 Feb
292 22:30 10:35 3 Mar - 10 Mar
292 22:30 10:35 9 Mar - 11 Mar
292 22:30 10:35 5 Mar - 12 Mar
292 23:30 10:35 13 Mar - 20 Mar
292 23:30 10:35 14 Mar - 16 Mar
* 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 £434
only £433
Destination

London
only £479
only £487
only £433