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Find Flight Deals from Washington to London Heathrow (WAS - LHR)

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

Book cheap flights from Washington to London Heathrow

(Round-trip)
Depart: Sat Oct 31 2015 Return: Tue Nov 10 2015 Trip spans 11 days
Turkish Airlines
Turkish Airlines
IAD
8:30p
LHR
1:15p
17h 45m
1 stop
LHR
5:30p
IAD
6:25p
24h 55m
1 stop
Depart: Mon Apr 27 2015 Return: Sun May 3 2015 Trip spans 7 days
Aeroflot
Aeroflot
IAD
11:00a
LHR
3:05a
16h 05m
1 stop
LHR
9:25a
IAD
1:55p
28h 30m
1 stop
Depart: Fri Aug 28 2015 Return: Sat Aug 29 2015 Trip spans 2 days
SAS
SAS
IAD
1:15p
LHR
4:05a
14h 50m
1 stop
LHR
2:00p
IAD
4:00p
26h 00m
2 stops
Depart: Fri May 8 2015 Return: Wed May 13 2015 Trip spans 6 days
Aer Lingus
Aer Lingus
IAD
1:20p
LHR
12:05a
10h 45m
1 stop
LHR
4:50a
IAD
4:35p
11h 45m
1 stop
Depart: Tue Sep 22 2015 Return: Sat Oct 3 2015 Trip spans 12 days
Icelandair
Icelandair
IAD
10:10a
LHR
11:10a
25h 00m
1 stop
LHR
9:00a
IAD
8:10p
11h 10m
1 stop
Depart: Fri Sep 11 2015 Return: Mon Sep 14 2015 Trip spans 4 days
Major Airline
Major Airline
DCA
2:00p
LHR
4:00a
38h 00m
2 stops
LHR
3:00a
DCA
12:00a
21h 00m
2 stops
Depart: Mon Jun 15 2015 Return: Wed Jun 17 2015 Trip spans 3 days
United
United
IAD
6:20p
LHR
3:40a
9h 20m
1 stop
LHR
3:20a
IAD
8:00p
16h 40m
1 stop
Depart: Thu May 14 2015 Return: Thu May 28 2015 Trip spans 15 days
$1052
Select
Air Canada
Air Canada
DCA
12:25p
LHR
10:30p
10h 05m
1 stop
LHR
10:10a
DCA
10:02p
11h 52m
1 stop
Depart: Sat May 2 2015 Return: Sun May 3 2015 Trip spans 2 days
$1148
Select
British Airways
British Airways
IAD
2:30p
LHR
9:50p
7h 20m
nonstop
LHR
6:45a
IAD
2:45p
8h 00m
nonstop
Depart: Tue Jun 30 2015 Return: Tue Jul 7 2015 Trip spans 8 days
$1151
Select
Aeroflot
Aeroflot
DCA
2:00a
LHR
3:05a
49h 05m
2 stops
LHR
6:45p
DCA
11:31p
28h 46m
2 stops
Direct flights WAS to LHR on Delta
Flight # Depart IAD Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
4383 6:55 pm 7:20 am May 5 - May 31
4383 6:55 pm 7:20 am Jun 1 - Sep 11
4383 6:55 pm 7:20 am Jun 2 - Sep 10
4383 6:55 pm 7:20 am Apr 22 - May 4
Airports
Origin

Washington
only $800
only $950
Destination

London
$800