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Find Flight Deals from Washington Dulles Intl to London (IAD - LON)

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

Book cheap flights from Washington Dulles Intl to London

(Round-trip)
Depart: Fri May 8 2015 Return: Sun May 10 2015 Trip spans 3 days
United
United
IAD
6:20p
LHR
4:30a
10h 10m
1 stop
LHR
4:30a
IAD
4:05p
11h 35m
1 stop
Depart: Sat Oct 31 2015 Return: Sat Nov 7 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
IAD
8:30p
LGW
12:25a
28h 55m
1 stop
LGW
12:20p
IAD
6:25p
30h 05m
1 stop
Depart: Mon Aug 31 2015 Return: Thu Sep 10 2015 Trip spans 11 days
Icelandair
Icelandair
IAD
4:35p
LHR
11:10a
18h 35m
1 stop
LHR
9:00a
IAD
8:10p
11h 10m
1 stop
Depart: Sat Oct 3 2015 Return: Fri Oct 30 2015 Trip spans 28 days
Turkish Airlines
Turkish Airlines
IAD
7:25p
LHR
12:00p
16h 35m
1 stop
LHR
6:30p
IAD
7:25p
24h 55m
1 stop
Depart: Thu Sep 10 2015 Return: Sun Sep 13 2015 Trip spans 4 days
Aeroflot
Aeroflot
IAD
11:00a
LHR
3:05a
16h 05m
1 stop
LHR
9:25a
IAD
1:55p
28h 30m
1 stop
Depart: Wed Apr 29 2015 Return: Thu Apr 30 2015 Trip spans 2 days
Major Airline
Major Airline
IAD
5:20a
LHR
12:55p
7h 35m
nonstop
LHR
2:50a
IAD
3:25p
12h 35m
1 stop
Depart: Wed May 6 2015 Return: Wed Jun 3 2015 Trip spans 29 days
Aer Lingus
Aer Lingus
IAD
1:20p
LGW
11:25p
10h 05m
1 stop
LGW
5:10a
IAD
4:35p
11h 25m
1 stop
Depart: Fri Sep 25 2015 Return: Fri Oct 9 2015 Trip spans 15 days
Icelandair
Icelandair
IAD
4:35p
LGW
2:35a
10h 00m
1 stop
LGW
9:10a
IAD
8:10p
11h 00m
1 stop
Depart: Thu Apr 16 2015 Return: Sat Apr 18 2015 Trip spans 3 days
Lufthansa
Lufthansa
IAD
6:30p
LHR
10:20a
15h 50m
1 stop
LHR
12:20p
IAD
8:25p
8h 05m
nonstop
Depart: Sat Apr 25 2015 Return: Sun Apr 26 2015 Trip spans 2 days
SAS
SAS
IAD
1:15p
LHR
7:00a
17h 45m
1 stop
LHR
5:05p
IAD
4:00p
22h 55m
2 stops
Depart: Sat Apr 4 2015 Return: Mon Apr 6 2015 Trip spans 3 days
KLM Royal Dutch
KLM Royal Dutch
IAD
1:10p
LHR
2:05a
12h 55m
1 stop
LHR
2:30a
IAD
4:30p
14h 00m
1 stop
Depart: Thu Jun 4 2015 Return: Tue Jun 9 2015 Trip spans 6 days
Air Canada
Air Canada
IAD
8:30a
LHR
1:25a
16h 55m
1 stop
LHR
10:10a
IAD
10:17p
12h 07m
1 stop
Depart: Fri Apr 3 2015 Return: Thu Apr 30 2015 Trip spans 28 days
Brussels Airlines
Brussels Airlines
IAD
1:50p
LHR
1:15a
11h 25m
1 stop
LHR
2:50a
IAD
1:55p
11h 05m
1 stop
Depart: Tue May 26 2015 Return: Sun Jun 7 2015 Trip spans 13 days
Virgin Atlantic
Virgin Atlantic
IAD
2:55p
LHR
10:20p
7h 25m
nonstop
LHR
7:00a
IAD
3:15p
8h 15m
nonstop
Depart: Sun Jun 21 2015 Return: Tue Jun 30 2015 Trip spans 10 days
$1027
Select
Major Airline
Major Airline
IAD
1:20p
LGW
11:25a
22h 05m
1 stop
LGW
3:00p
IAD
4:35p
25h 35m
1 stop
Depart: Fri Jul 31 2015 Return: Mon Aug 24 2015 Trip spans 25 days
$1132
Select
Aer Lingus
Aer Lingus
IAD
1:20p
LHR
12:05a
10h 45m
1 stop
LHR
5:50a
IAD
4:35p
10h 45m
1 stop
Direct flights IAD to LON on Delta
Flight # Depart IAD Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
4383 6:55 pm 7:20 am Mar 31 - Apr 20
4383 6:55 pm 7:20 am Apr 22 - May 4
4383 6:55 pm 7:20 am May 5 - May 31
Airports
Origin

Washington
$750
Destination

London
only $750
only $757