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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: Tue Jan 27 2015 Return: Tue Feb 3 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
IAD
6:30p
LHR
12:15p
17h 45m
1 stop
LHR
6:40a
IAD
6:25p
35h 45m
1 stop
Depart: Fri May 1 2015 Return: Sun May 3 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: Tue Feb 10 2015 Return: Mon Feb 16 2015 Trip spans 7 days
Multiple Airlines
Multiple Airlines
IAD
7:24a
LHR
1:05p
29h 41m
3 stops
LHR
3:00p
IAD
3:30p
48h 30m
3 stops
Depart: Mon Jun 1 2015 Return: Wed Jun 3 2015 Trip spans 3 days
Aeroflot
Aeroflot
IAD
10:50a
LHR
3:05a
16h 15m
1 stop
LHR
6:45p
IAD
1:50p
19h 05m
1 stop
Depart: Sat Apr 25 2015 Return: Sat May 16 2015 Trip spans 22 days
Icelandair
Icelandair
IAD
4:35p
LHR
2:45a
10h 10m
1 stop
LHR
5:10p
IAD
1:45p
20h 35m
1 stop
Depart: Sat Mar 28 2015 Return: Mon Mar 30 2015 Trip spans 3 days
Air Canada
Air Canada
DCA
2:15p
LHR
4:05a
13h 50m
2 stops
LHR
9:05a
DCA
9:51p
12h 46m
1 stop
Depart: Thu Apr 2 2015 Return: Sat Apr 11 2015 Trip spans 10 days
Virgin Atlantic
Virgin Atlantic
IAD
2:40p
LHR
10:05p
7h 25m
nonstop
LHR
7:00a
IAD
3:15p
8h 15m
nonstop
Depart: Fri Mar 27 2015 Return: Mon Apr 6 2015 Trip spans 11 days
Air Canada
Air Canada
IAD
1:06p
LHR
11:30p
10h 24m
1 stop
LHR
9:00a
IAD
10:00p
13h 00m
1 stop
Depart: Tue Mar 31 2015 Return: Tue Apr 7 2015 Trip spans 8 days
Finnair
Finnair
IAD
2:35p
LHR
9:45p
7h 10m
nonstop
LHR
6:45a
IAD
2:45p
8h 00m
nonstop
Depart: Sun Jun 7 2015 Return: Sun Jun 14 2015 Trip spans 8 days
$1026
Select
Aer Lingus
Aer Lingus
IAD
1:20p
LHR
11:05p
9h 45m
1 stop
LHR
4:50a
IAD
4:35p
11h 45m
1 stop
Depart: Tue Jul 7 2015 Return: Mon Jul 13 2015 Trip spans 7 days
$1105
Select
Aeroflot
Aeroflot
DCA
2:10a
LHR
3:05a
24h 55m
2 stops
LHR
6:15p
DCA
6:17p
24h 02m
2 stops
Change your search
Direct flights WAS to LHR on Delta
Flight # Depart IAD Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
4383 7:15 pm 7:35 am Feb 6 - Mar 2
4383 7:15 pm 7:35 am Mar 4 - Mar 7
4383 7:15 pm 7:35 am Jan 19 - Feb 4
4383 9:35 pm 9:55 am Jan 22 - Mar 5
Airports
Origin

Washington
only $766
only $943
Destination

London
$766