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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: Wed Nov 4 2015 Return: Thu Nov 19 2015 Trip spans 16 days
Icelandair
Icelandair
IAD
2:45p
LHR
1:30a
10h 45m
1 stop
LHR
8:00a
IAD
6:30p
10h 30m
1 stop
Depart: Sun Oct 18 2015 Return: Tue Oct 20 2015 Trip spans 3 days
United
United
IAD
1:05p
LHR
1:25a
12h 20m
1 stop
LHR
3:20a
IAD
4:20p
13h 00m
1 stop
Depart: Sun Nov 22 2015 Return: Sat Nov 28 2015 Trip spans 7 days
Turkish Airlines
Turkish Airlines
IAD
6:30p
LHR
11:00a
16h 30m
1 stop
LHR
5:30p
IAD
6:25p
24h 55m
1 stop
Depart: Mon Sep 14 2015 Return: Tue Sep 15 2015 Trip spans 2 days
Major Airline
Major Airline
IAD
4:45a
LHR
10:30p
17h 45m
1 stop
LHR
6:55a
IAD
8:00p
13h 05m
1 stop
Depart: Mon Sep 7 2015 Return: Wed Sep 9 2015 Trip spans 3 days
Aeroflot
Aeroflot
IAD
11:00a
LHR
3:05a
16h 05m
1 stop
LHR
9:25a
IAD
1:55p
28h 30m
1 stop
Depart: Sun Sep 27 2015 Return: Mon Sep 28 2015 Trip spans 2 days
Air Canada
Air Canada
DCA
4:00p
LHR
1:25a
9h 25m
1 stop
LHR
10:10a
DCA
10:05p
11h 55m
1 stop
Depart: Sat May 23 2015 Return: Mon May 25 2015 Trip spans 3 days
Lufthansa
Lufthansa
IAD
6:30p
LHR
6:40a
12h 10m
1 stop
LHR
3:30a
IAD
12:10p
8h 40m
nonstop
Depart: Tue May 26 2015 Return: Fri Jun 5 2015 Trip spans 11 days
Virgin Atlantic
Virgin Atlantic
IAD
2:55p
LHR
10:20p
7h 25m
nonstop
LHR
7:00a
IAD
3:15p
8h 15m
nonstop
Depart: Sat Jun 13 2015 Return: Mon Jun 15 2015 Trip spans 3 days
KLM Royal Dutch
KLM Royal Dutch
IAD
8:40a
LHR
2:05a
17h 25m
1 stop
LHR
4:40a
IAD
4:30p
11h 50m
1 stop
Depart: Thu Jul 2 2015 Return: Fri Jul 10 2015 Trip spans 9 days
$1013
Select
US Airways
US Airways
DCA
1:59p
LHR
1:30a
11h 31m
1 stop
LHR
6:05a
DCA
6:00p
11h 55m
1 stop
Depart: Tue Jul 28 2015 Return: Mon Aug 17 2015 Trip spans 21 days
$1023
Select
Virgin Atlantic
Virgin Atlantic
DCA
11:10a
LHR
9:25p
10h 15m
1 stop
LHR
4:05p
DCA
11:45a
19h 40m
1 stop
Depart: Mon Jul 6 2015 Return: Wed Sep 2 2015 Trip spans 59 days
$1060
Select
Aer Lingus
Aer Lingus
IAD
6:20p
LHR
6:00a
11h 40m
1 stop
LHR
3:30a
IAD
4:35p
13h 05m
1 stop
Depart: Sat Jul 11 2015 Return: Sat Aug 15 2015 Trip spans 36 days
$1134
Select
Aeroflot
Aeroflot
DCA
2:00a
LHR
12:25p
34h 25m
2 stops
LHR
6:15p
DCA
11:30p
29h 15m
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 21 - May 31
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 $763
only $877
Destination

London
$763