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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: Wed Oct 7 2015 Trip spans 8 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
4:40a
IAD
10:20p
17h 40m
1 stop
IAD
5:20a
LHR
12:55p
7h 35m
nonstop
Depart: Fri May 8 2015 Return: Sun May 10 2015 Trip spans 3 days
American Airlines
American Airlines
LHR
3:45p
DCA
8:35a
16h 50m
1 stop
DCA
2:00a
LHR
1:10p
11h 10m
1 stop
Depart: Thu Apr 16 2015 Return: Sun Apr 19 2015 Trip spans 4 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: Wed Apr 29 2015 Return: Sun May 3 2015 Trip spans 5 days
Turkish Airlines
Turkish Airlines
LGW
6:05a
IAD
7:10p
37h 05m
1 stop
IAD
7:25p
LGW
12:05a
28h 40m
1 stop
Depart: Tue Apr 28 2015 Return: Mon May 25 2015 Trip spans 28 days
Air Canada
Air Canada
LHR
4:30a
DCA
7:02p
14h 32m
1 stop
DCA
2:00a
LHR
12:00p
10h 00m
1 stop
Depart: Thu Apr 30 2015 Return: Tue May 5 2015 Trip spans 6 days
Air Canada
Air Canada
LHR
4:30a
IAD
5:10p
12h 40m
1 stop
IAD
8:30a
LHR
11:35p
15h 05m
1 stop
Depart: Thu Apr 9 2015 Return: Fri May 22 2015 Trip spans 44 days
Virgin Atlantic
Virgin Atlantic
LHR
7:00a
IAD
3:15p
8h 15m
nonstop
IAD
1:11p
LHR
11:45p
10h 34m
1 stop
Depart: Sat Jun 20 2015 Return: Fri Jun 26 2015 Trip spans 7 days
United
United
LHR
4:40a
DCA
4:05p
11h 25m
1 stop
DCA
7:26a
LHR
10:40p
15h 14m
1 stop
Depart: Sun Jul 26 2015 Return: Mon Aug 24 2015 Trip spans 30 days
$1003
Select
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 1 2015 Return: Sun Apr 5 2015 Trip spans 5 days
$1025
Select
Turkish Airlines
Turkish Airlines
LHR
7:25a
IAD
7:10p
35h 45m
1 stop
IAD
7:25p
LHR
1:05a
29h 40m
1 stop
Depart: Wed Jun 24 2015 Return: Sun Jun 28 2015 Trip spans 5 days
$1025
Select
Aer Lingus
Aer Lingus
LGW
5:10a
IAD
4:35p
11h 25m
1 stop
IAD
1:20p
LGW
1:00a
11h 40m
1 stop
Depart: Fri Apr 3 2015 Return: Sun May 10 2015 Trip spans 38 days
$1079
Select
SAS
SAS
LHR
4:30p
IAD
4:00p
23h 30m
1 stop
IAD
1:15p
LHR
7:00a
17h 45m
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 Mar 29 - Apr 20
4382 11:00 am 2:15 pm Apr 22 - May 4
4382 11:00 am 2:15 pm May 5 - May 31
Airports
Origin

London
only $629
only $610
Destination

Washington
only $610
only $775