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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 15 2015 Return: Wed Sep 23 2015 Trip spans 9 days
Icelandair
Icelandair
LGW
9:10a
IAD
8:10p
11h 00m
1 stop
IAD
4:35p
LGW
2:45a
10h 10m
1 stop
Depart: Thu Oct 15 2015 Return: Sun Oct 25 2015 Trip spans 11 days
Icelandair
Icelandair
LHR
5:10p
IAD
8:10p
27h 00m
1 stop
IAD
4:45p
LHR
3:30a
10h 45m
1 stop
Depart: Fri Jun 12 2015 Return: Mon Jun 22 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: Wed Jun 24 2015 Return: Thu Jul 23 2015 Trip spans 30 days
Aeroflot
Aeroflot
LHR
6:45p
IAD
1:55p
19h 10m
1 stop
IAD
11:00a
LHR
11:00p
36h 00m
1 stop
Depart: Mon Jun 22 2015 Return: Sun Jul 19 2015 Trip spans 28 days
Turkish Airlines
Turkish Airlines
LGW
1:10p
IAD
7:10p
30h 00m
1 stop
IAD
7:25p
LGW
12:05a
28h 40m
1 stop
Depart: Wed Jul 8 2015 Return: Mon Jul 13 2015 Trip spans 6 days
Turkish Airlines
Turkish Airlines
LHR
6:30p
IAD
7:10p
24h 40m
1 stop
IAD
7:25p
LHR
1:05a
29h 40m
1 stop
Depart: Wed May 27 2015 Return: Wed Jun 3 2015 Trip spans 8 days
Aer Lingus
Aer Lingus
LGW
5:10a
IAD
4:35p
11h 25m
1 stop
IAD
1:20p
LGW
5:25a
16h 05m
1 stop
Depart: Thu Jun 11 2015 Return: Fri Aug 7 2015 Trip spans 58 days
Air Canada
Air Canada
LHR
4:30a
DCA
11:22p
18h 52m
1 stop
DCA
2:00a
LHR
12:00p
10h 00m
1 stop
Depart: Tue May 12 2015 Return: Wed May 27 2015 Trip spans 16 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: Sat Jun 6 2015 Return: Fri Jun 12 2015 Trip spans 7 days
American Airlines
American Airlines
LHR
1:00p
DCA
11:59p
10h 59m
1 stop
DCA
8:27a
LHR
9:50p
13h 23m
1 stop
Depart: Sat May 16 2015 Return: Sun May 17 2015 Trip spans 2 days
United
United
LHR
2:00p
IAD
8:30a
18h 30m
1 stop
IAD
6:02p
LHR
12:20p
18h 18m
1 stop
Depart: Thu May 14 2015 Return: Sun May 17 2015 Trip spans 4 days
Aer Lingus
Aer Lingus
LCY
2:50a
IAD
4:25p
13h 35m
1 stop
IAD
1:20p
LCY
1:00a
11h 40m
1 stop
Depart: Sat May 23 2015 Return: Tue Jun 16 2015 Trip spans 25 days
$1001
Select
Virgin Atlantic
Virgin Atlantic
LHR
7:00a
IAD
3:15p
8h 15m
nonstop
IAD
3:35p
LHR
1:40a
10h 05m
1 stop
Depart: Sat May 2 2015 Return: Sat Jun 13 2015 Trip spans 43 days
$1114
Select
Aeromexico
Aeromexico
LHR
10:45a
IAD
12:35a
37h 50m
1 stop
IAD
9:15p
LHR
7:05a
33h 50m
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 Jun 2 - Sep 10
4382 11:00 am 2:15 pm Jun 1 - Sep 11
4382 11:00 am 2:15 pm May 5 - May 31
Airports
Origin

London
only $624
only $986
only $604
Destination

Washington
only $604
only $914