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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 Oct 28 2015 Return: Wed Nov 4 2015 Trip spans 8 days
Icelandair
Icelandair
LGW
8:30a
IAD
7:30p
11h 00m
1 stop
IAD
2:45p
LGW
1:15a
10h 30m
1 stop
Depart: Mon Oct 19 2015 Return: Wed Oct 28 2015 Trip spans 10 days
Icelandair
Icelandair
LHR
5:10p
IAD
8:10p
27h 00m
1 stop
IAD
4:45p
LHR
11:30a
18h 45m
1 stop
Depart: Thu Jun 18 2015 Return: Mon Jun 22 2015 Trip spans 5 days
Delta
Delta
LHR
7:00a
IAD
3:15p
8h 15m
nonstop
IAD
8:35a
LHR
9:45p
13h 10m
1 stop
Depart: Wed Jun 10 2015 Return: Thu Jun 18 2015 Trip spans 9 days
Delta
Delta
LHR
10:25a
DCA
10:28p
12h 03m
1 stop
DCA
10:03a
LHR
9:45p
11h 42m
1 stop
Depart: Thu Jun 4 2015 Return: Mon Jun 8 2015 Trip spans 5 days
Virgin Atlantic
Virgin Atlantic
LHR
7:00a
IAD
3:15p
8h 15m
nonstop
IAD
2:00a
LHR
11:10a
9h 10m
1 stop
Depart: Tue Sep 8 2015 Return: Tue Sep 29 2015 Trip spans 22 days
United
United
LHR
3:30a
IAD
4:30p
13h 00m
1 stop
IAD
6:25p
LHR
4:30a
10h 05m
1 stop
Depart: Thu Sep 24 2015 Return: Mon Sep 28 2015 Trip spans 5 days
Air Canada
Air Canada
LHR
4:50a
DCA
7:03p
14h 13m
2 stops
DCA
4:00p
LHR
1:25a
9h 25m
1 stop
Depart: Mon Jun 1 2015 Return: Mon Jun 8 2015 Trip spans 8 days
British Airways
British Airways
LHR
6:45a
IAD
2:45p
8h 00m
nonstop
IAD
6:25p
LHR
1:40a
7h 15m
nonstop
Depart: Sun Nov 8 2015 Return: Sun Nov 15 2015 Trip spans 8 days
American Airlines
American Airlines
LHR
7:50a
DCA
10:34p
14h 44m
1 stop
DCA
9:47a
LHR
9:35p
11h 48m
1 stop
Depart: Sun Jun 14 2015 Return: Mon Jun 22 2015 Trip spans 9 days
Brussels Airlines
Brussels Airlines
LHR
1:50p
IAD
1:55p
24h 05m
1 stop
IAD
1:50p
LHR
12:35p
22h 45m
1 stop
Depart: Sat Aug 29 2015 Return: Thu Sep 10 2015 Trip spans 13 days
Lufthansa
Lufthansa
LHR
3:30a
IAD
4:55p
13h 25m
1 stop
IAD
6:00p
LHR
1:20a
7h 20m
nonstop
Depart: Sun May 31 2015 Return: Mon Jun 8 2015 Trip spans 9 days
KLM Royal Dutch
KLM Royal Dutch
LHR
11:05a
DCA
12:36a
13h 31m
1 stop
DCA
2:00p
LHR
1:40a
11h 40m
1 stop
Depart: Wed Oct 7 2015 Return: Wed Oct 21 2015 Trip spans 15 days
Aer Lingus
Aer Lingus
LGW
5:10a
IAD
4:35p
11h 25m
1 stop
IAD
1:20p
LGW
11:25p
10h 05m
1 stop
Depart: Tue Oct 6 2015 Return: Tue Oct 20 2015 Trip spans 15 days
Aer Lingus
Aer Lingus
LHR
5:10p
IAD
4:35p
23h 25m
1 stop
IAD
6:25p
LHR
6:00a
11h 35m
1 stop
Depart: Sun Aug 16 2015 Return: Mon Aug 31 2015 Trip spans 16 days
$1000
Select
SWISS
SWISS
LCY
10:40a
IAD
3:50p
29h 10m
1 stop
IAD
1:40p
LCY
11:00p
33h 20m
1 stop
Depart: Mon Jun 8 2015 Return: Mon Jun 22 2015 Trip spans 15 days
$1030
Select
Finnair
Finnair
LHR
6:45a
IAD
2:45p
8h 00m
nonstop
IAD
6:25p
LHR
1:40a
7h 15m
nonstop
Depart: Mon Jun 22 2015 Return: Thu Jun 25 2015 Trip spans 4 days
$1108
Select
Aeromexico
Aeromexico
LHR
6:35p
IAD
12:59a
30h 24m
1 stop
IAD
9:15p
LHR
3:05a
29h 50m
1 stop
Depart: Sat Aug 15 2015 Return: Sun Aug 16 2015 Trip spans 2 days
$1113
Select
SAS
SAS
LHR
2:40a
IAD
4:00p
13h 20m
1 stop
IAD
1:15p
LHR
4:05a
14h 50m
1 stop
Depart: Thu Jun 25 2015 Return: Sun Jun 28 2015 Trip spans 4 days
$1153
Select
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 15 2015 Return: Mon Sep 7 2015 Trip spans 55 days
$1157
Select
Aeroflot
Aeroflot
LHR
6:45p
IAD
1:55p
19h 10m
1 stop
IAD
11:00a
LHR
3:05a
16h 05m
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 21 - May 31
Airports
Origin

London
only $640
only $1000
only $613
Destination

Washington
only $613
only $681