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Find Flight Deals from London to Washington (LON - WAS)

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

Book cheap flights from London to Washington

(Round-trip)
Depart: Tue Sep 1 2015 Return: Thu Sep 10 2015 Trip spans 10 days
Icelandair
Icelandair
LGW
9:10a
IAD
8:10p
11h 00m
1 stop
IAD
4:35p
LGW
2:45a
10h 10m
1 stop
Depart: Wed Sep 30 2015 Return: Tue Oct 20 2015 Trip spans 21 days
Icelandair
Icelandair
LHR
5:10p
IAD
8:10p
27h 00m
1 stop
IAD
4:35p
LHR
2:45a
10h 10m
1 stop
Depart: Sat May 9 2015 Return: Sun May 10 2015 Trip spans 2 days
United
United
LHR
6:05a
IAD
10:20p
16h 15m
1 stop
IAD
5:20a
LHR
12:55p
7h 35m
nonstop
Depart: Thu Apr 9 2015 Return: Sun Apr 26 2015 Trip spans 18 days
Aer Lingus
Aer Lingus
LHR
3:30a
IAD
4:25p
12h 55m
1 stop
IAD
6:20p
LHR
6:00a
11h 40m
1 stop
Depart: Tue May 19 2015 Return: Wed May 27 2015 Trip spans 9 days
American Airlines
American Airlines
LHR
8:50a
DCA
11:26p
14h 36m
1 stop
DCA
2:52p
LHR
1:30a
10h 38m
1 stop
Depart: Wed Apr 22 2015 Return: Tue Apr 28 2015 Trip spans 7 days
Air Canada
Air Canada
LHR
8:05a
DCA
11:22p
15h 17m
1 stop
DCA
5:35a
LHR
11:35p
18h 00m
1 stop
Depart: Thu Apr 23 2015 Return: Tue Apr 28 2015 Trip spans 6 days
Air Canada
Air Canada
LHR
4:30a
IAD
7:22p
14h 52m
1 stop
IAD
10:40a
LHR
11:35p
12h 55m
1 stop
Depart: Sat Apr 18 2015 Return: Sun Apr 26 2015 Trip spans 9 days
Turkish Airlines
Turkish Airlines
LGW
6:05a
IAD
7:10p
37h 05m
1 stop
IAD
7:25p
LGW
1:50a
30h 25m
1 stop
Depart: Tue Jun 2 2015 Return: Tue Jun 9 2015 Trip spans 8 days
Virgin Atlantic
Virgin Atlantic
LHR
7:00a
IAD
3:15p
8h 15m
nonstop
IAD
3:35p
LHR
1:40a
10h 05m
1 stop
Depart: Sun Apr 5 2015 Return: Mon Apr 13 2015 Trip spans 9 days
Aeroflot
Aeroflot
LHR
6:45p
IAD
1:55p
19h 10m
1 stop
IAD
11:00a
LHR
12:25p
25h 25m
1 stop
Depart: Wed Apr 8 2015 Return: Tue Apr 14 2015 Trip spans 7 days
SAS
SAS
LHR
4:30p
IAD
4:00p
23h 30m
1 stop
IAD
1:15p
LHR
4:05a
14h 50m
1 stop
Depart: Sun Apr 12 2015 Return: Fri Apr 17 2015 Trip spans 6 days
$1025
Select
Turkish Airlines
Turkish Airlines
LHR
6:30p
IAD
7:10p
24h 40m
1 stop
IAD
7:25p
LHR
12:00p
16h 35m
1 stop
Depart: Mon Jul 27 2015 Return: Mon Aug 3 2015 Trip spans 8 days
$1100
Select
Aer Lingus
Aer Lingus
LGW
5:10a
IAD
4:35p
11h 25m
1 stop
IAD
1:20p
LGW
3:05a
13h 45m
1 stop
Depart: Wed Apr 1 2015 Return: Wed Apr 15 2015 Trip spans 15 days
$1115
Select
Delta
Delta
LHR
7:00a
IAD
3:15p
8h 15m
nonstop
IAD
2:00a
LHR
11:10a
9h 10m
1 stop
Direct flights LON to WAS on Delta
Flight # Depart LHR Arrive IAD Sun Mon Tue Wed Thu Fri Sat Valid Between
4382 11:00 am 2:15 pm May 5 - May 31
4382 11:00 am 2:15 pm Apr 22 - May 4
4382 11:00 am 2:15 pm Mar 29 - Apr 20
Airports
Origin

London
only $629
only $610
Destination

Washington
only $610
only $789