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Find Flight Deals from Washington to London Heathrow (WAS - LHR)

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

Book cheap flights from Washington to London Heathrow

(Round-trip)
Depart: Fri Jan 23 2015 Return: Sun Feb 8 2015 Trip spans 17 days
Turkish Airlines
Turkish Airlines
IAD
6:30p
LHR
12:15p
17h 45m
1 stop
LHR
5:30p
IAD
6:25p
24h 55m
1 stop
Depart: Tue May 19 2015 Return: Sun May 24 2015 Trip spans 6 days
Icelandair
Icelandair
IAD
10:10a
LHR
11:10a
25h 00m
1 stop
LHR
9:00a
IAD
8:10p
11h 10m
1 stop
Depart: Thu Mar 5 2015 Return: Sun Mar 15 2015 Trip spans 10 days
Multiple Airlines
Multiple Airlines
IAD
7:30a
LHR
10:50a
27h 20m
3 stops
LHR
7:45a
IAD
11:41a
51h 56m
4 stops
Depart: Thu Jun 4 2015 Return: Fri Jun 12 2015 Trip spans 9 days
Aeroflot
Aeroflot
IAD
10:50a
LHR
12:25p
25h 35m
1 stop
LHR
6:45p
IAD
1:50p
19h 05m
1 stop
Depart: Thu Jan 8 2015 Return: Tue Jan 13 2015 Trip spans 6 days
American Airlines
American Airlines
DCA
1:10p
LHR
10:35p
9h 25m
1 stop
LHR
12:05p
DCA
11:10p
11h 05m
1 stop
Depart: Wed Jan 7 2015 Return: Wed Jan 28 2015 Trip spans 22 days
Delta
Delta
DCA
1:08p
LHR
11:00p
9h 52m
1 stop
LHR
5:35a
DCA
10:31p
16h 56m
1 stop
Depart: Wed Jun 10 2015 Return: Fri Jun 12 2015 Trip spans 3 days
United
United
IAD
6:20p
LHR
3:35a
9h 15m
1 stop
LHR
2:50a
IAD
1:55p
11h 05m
1 stop
Depart: Tue Dec 30 2014 Return: Mon Feb 23 2015 Trip spans 56 days
Delta
Delta
IAD
12:04p
LHR
11:00p
10h 56m
1 stop
LHR
3:05p
IAD
9:48a
18h 43m
1 stop
Depart: Tue Jun 2 2015 Return: Mon Jun 8 2015 Trip spans 7 days
Major Airline
Major Airline
IAD
6:20p
LHR
6:00a
11h 40m
1 stop
LHR
4:50a
IAD
4:20p
11h 30m
1 stop
Depart: Fri Jun 12 2015 Return: Sun Jun 14 2015 Trip spans 3 days
Aer Lingus
Aer Lingus
IAD
1:20p
LHR
12:05a
10h 45m
1 stop
LHR
5:50a
IAD
4:35p
10h 45m
1 stop
Depart: Sat Dec 20 2014 Return: Thu Jan 8 2015 Trip spans 20 days
United
United
DCA
1:28p
LHR
11:25p
9h 57m
1 stop
LHR
7:35a
DCA
10:44p
15h 09m
1 stop
Depart: Mon Dec 22 2014 Return: Mon Jan 19 2015 Trip spans 29 days
US Airways
US Airways
DCA
7:30a
LHR
7:10p
11h 40m
1 stop
LHR
11:25a
DCA
10:38p
11h 13m
1 stop
Change your search
Direct flights WAS to LHR on Delta
Flight # Depart IAD Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
4383 7:15 pm 7:35 am Jan 2 - Jan 6
4383 7:15 pm 7:35 am Jan 3 - Jan 10
4383 7:15 pm 7:35 am Jan 7 - Feb 4
4383 7:15 pm 7:35 am Jan 23 - Jan 31
4383 7:15 pm 7:35 am Jan 16 - Jan 16
4383 7:15 pm 7:35 am Dec 13 - Dec 31
4383 9:35 pm 9:55 am Jan 8 - Mar 5
4383 9:35 pm 9:55 am Jan 1 - Jan 1
Airports
Origin

Washington
only $726
only $923
Destination

London
$726