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

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Washington to London

(Round-trip)
Depart: Wed Nov 25 2015 Return: Sun Nov 29 2015 Trip spans 5 days
Turkish Airlines
Turkish Airlines
IAD
6:30p
LGW
11:25p
28h 55m
1 stop
LGW
12:20p
IAD
6:25p
30h 05m
1 stop
Depart: Mon Sep 7 2015 Return: Tue Sep 8 2015 Trip spans 2 days
United
United
IAD
2:00a
LHR
12:20p
10h 20m
1 stop
LHR
3:20a
IAD
4:20p
13h 00m
1 stop
Depart: Tue Sep 15 2015 Return: Fri Oct 2 2015 Trip spans 18 days
Icelandair
Icelandair
IAD
10:10a
LHR
11:10a
25h 00m
1 stop
LHR
9:00a
IAD
8:10p
11h 10m
1 stop
Depart: Sun Nov 15 2015 Return: Mon Nov 30 2015 Trip spans 16 days
Turkish Airlines
Turkish Airlines
IAD
6:30p
LHR
12:25a
29h 55m
1 stop
LHR
5:30p
IAD
6:25p
24h 55m
1 stop
Depart: Wed Sep 23 2015 Return: Thu Sep 24 2015 Trip spans 2 days
Lufthansa
Lufthansa
IAD
5:25a
LHR
12:55p
7h 30m
nonstop
LHR
2:50a
IAD
3:30p
12h 40m
1 stop
Depart: Mon Sep 21 2015 Return: Thu Oct 1 2015 Trip spans 11 days
Icelandair
Icelandair
IAD
4:35p
LGW
2:45a
10h 10m
1 stop
LGW
9:10a
IAD
8:10p
11h 00m
1 stop
Depart: Mon Jun 1 2015 Return: Mon Jun 8 2015 Trip spans 8 days
Virgin Atlantic
Virgin Atlantic
IAD
2:55p
LHR
10:20p
7h 25m
nonstop
LHR
7:00a
IAD
3:15p
8h 15m
nonstop
Depart: Mon Jun 8 2015 Return: Sun Jun 14 2015 Trip spans 7 days
Virgin Atlantic
Virgin Atlantic
DCA
8:45a
LHR
2:05a
17h 20m
1 stop
LHR
12:05p
DCA
11:17p
11h 12m
1 stop
Depart: Wed Jun 10 2015 Return: Thu Jun 18 2015 Trip spans 9 days
US Airways
US Airways
DCA
1:59p
LHR
1:30a
11h 31m
1 stop
LHR
6:05a
DCA
6:04p
11h 59m
1 stop
Depart: Fri Jun 12 2015 Return: Sun Jul 12 2015 Trip spans 31 days
Major Airline
Major Airline
IAD
8:00a
LHR
12:00a
16h 00m
1 stop
LHR
7:00a
IAD
3:00p
8h 00m
nonstop
Depart: Thu Aug 13 2015 Return: Wed Sep 9 2015 Trip spans 28 days
$1003
Select
Aeroflot
Aeroflot
IAD
11:00a
LHR
11:00p
36h 00m
1 stop
LHR
6:45p
IAD
1:55p
19h 10m
1 stop
Depart: Mon Jun 29 2015 Return: Tue Jul 14 2015 Trip spans 16 days
$1006
Select
Finnair
Finnair
IAD
2:30p
LHR
9:50p
7h 20m
nonstop
LHR
6:45a
IAD
2:45p
8h 00m
nonstop
Depart: Sat Jun 27 2015 Return: Tue Jul 21 2015 Trip spans 25 days
$1009
Select
US Airways
US Airways
IAD
12:20p
LHR
10:40p
10h 20m
1 stop
LHR
6:45a
IAD
2:45p
8h 00m
nonstop
Depart: Thu Aug 20 2015 Return: Tue Sep 15 2015 Trip spans 27 days
$1009
Select
Air Canada
Air Canada
DCA
8:55a
LHR
12:00p
27h 05m
1 stop
LHR
8:35a
DCA
8:06p
11h 31m
1 stop
Depart: Wed Aug 12 2015 Return: Wed Sep 2 2015 Trip spans 22 days
$1017
Select
Aer Lingus
Aer Lingus
IAD
1:20p
LGW
1:00a
11h 40m
1 stop
LGW
5:10a
IAD
4:30p
11h 20m
1 stop
Depart: Thu Jul 9 2015 Return: Wed Sep 2 2015 Trip spans 56 days
$1059
Select
Aer Lingus
Aer Lingus
IAD
6:20p
LHR
4:30a
10h 10m
1 stop
LHR
5:50a
IAD
4:35p
10h 45m
1 stop
Depart: Thu Aug 6 2015 Return: Mon Aug 10 2015 Trip spans 5 days
$1128
Select
United
United
DCA
4:00p
LHR
1:25a
9h 25m
1 stop
LHR
10:10a
DCA
10:02p
11h 52m
1 stop
Direct flights WAS to LON on Delta
Flight # Depart IAD Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
4383 6:55 pm 7:20 am Jun 1 - Sep 11
4383 6:55 pm 7:20 am Jun 2 - Sep 10
Airports
Origin

Washington
only $730
only $912
Destination

London
only $784
only $730