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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: Wed Apr 15 2015 Return: Sat Apr 25 2015 Trip spans 11 days
Icelandair
Icelandair
LHR
5:10p
IAD
8:10p
27h 00m
1 stop
IAD
4:35p
LHR
11:10a
18h 35m
1 stop
Depart: Sat Feb 14 2015 Return: Mon Feb 16 2015 Trip spans 3 days
United
United
LHR
1:00p
IAD
1:56p
24h 56m
1 stop
IAD
4:30a
LHR
12:00p
7h 30m
nonstop
Depart: Tue Feb 17 2015 Return: Tue Mar 3 2015 Trip spans 15 days
Delta
Delta
LHR
1:30a
IAD
3:35p
14h 05m
1 stop
IAD
1:50p
LHR
12:25a
10h 35m
1 stop
Depart: Tue Feb 10 2015 Return: Tue Feb 17 2015 Trip spans 8 days
American Airlines
American Airlines
LHR
7:35a
DCA
6:58p
11h 23m
1 stop
DCA
7:47a
LHR
9:35p
13h 48m
1 stop
Depart: Thu Mar 5 2015 Return: Thu Mar 12 2015 Trip spans 7 days
United
United
LHR
11:05a
DCA
10:55p
11h 50m
1 stop
DCA
4:06p
LHR
2:15a
10h 09m
1 stop
Depart: Sun Feb 1 2015 Return: Mon Feb 23 2015 Trip spans 23 days
Aeroflot
Aeroflot
LHR
5:30p
IAD
12:20p
18h 50m
1 stop
IAD
9:05a
LHR
11:05a
26h 00m
1 stop
Depart: Tue Feb 3 2015 Return: Tue Feb 17 2015 Trip spans 15 days
Multiple Airlines
Multiple Airlines
LHR
3:40a
IAD
3:35p
11h 55m
1 stop
IAD
1:50p
LHR
12:25a
10h 35m
1 stop
Depart: Mon Feb 9 2015 Return: Mon Feb 16 2015 Trip spans 8 days
KLM Royal Dutch
KLM Royal Dutch
LHR
1:30a
IAD
3:35p
14h 05m
1 stop
IAD
12:21p
LHR
1:00a
12h 39m
1 stop
Depart: Sun Mar 8 2015 Return: Mon Mar 16 2015 Trip spans 9 days
KLM Royal Dutch
KLM Royal Dutch
LHR
5:55a
DCA
5:04p
11h 09m
1 stop
DCA
2:00p
LHR
1:00a
11h 00m
1 stop
Depart: Tue Mar 31 2015 Return: Fri Apr 10 2015 Trip spans 11 days
SAS
SAS
LHR
2:40a
IAD
4:00p
13h 20m
1 stop
IAD
1:15p
LHR
4:05a
14h 50m
1 stop
Depart: Sun Mar 15 2015 Return: Mon Mar 23 2015 Trip spans 9 days
Air France
Air France
LHR
5:55a
DCA
5:04p
11h 09m
1 stop
DCA
2:00p
LHR
1:00a
11h 00m
1 stop
Depart: Sun May 10 2015 Return: Wed May 20 2015 Trip spans 11 days
Icelandair
Icelandair
LGW
9:10a
IAD
8:10p
11h 00m
1 stop
IAD
10:10a
LGW
2:45a
16h 35m
1 stop
Depart: Mon May 18 2015 Return: Sat May 23 2015 Trip spans 6 days
Turkish Airlines
Turkish Airlines
LGW
1:10p
IAD
7:10p
30h 00m
1 stop
IAD
7:25p
LGW
1:50a
30h 25m
1 stop
Depart: Sun Jun 14 2015 Return: Mon Jun 22 2015 Trip spans 9 days
Austrian Airlines
Austrian Airlines
LHR
3:25p
IAD
3:05p
23h 40m
1 stop
IAD
1:55p
LHR
11:25p
33h 30m
1 stop
Depart: Thu Jul 16 2015 Return: Sun Aug 2 2015 Trip spans 18 days
$1050
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Turkish Airlines
Turkish Airlines
LHR
6:30p
IAD
7:10p
24h 40m
1 stop
IAD
7:25p
LHR
12:00p
16h 35m
1 stop
Change your search
Direct flights LON to WAS on Delta
Flight # Depart LHR Arrive IAD Sun Mon Tue Wed Thu Fri Sat Valid Between
4382 11:25 am 3:00 pm Jan 19 - Feb 5
4382 11:25 am 3:00 pm Mar 4 - Mar 7
4382 11:25 am 3:00 pm Feb 6 - Mar 2
Airports
Origin

London
only $666
only $834
Destination

Washington
only $666
only $698