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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: Tue Nov 17 2015 Return: Wed Nov 25 2015 Trip spans 9 days
Turkish Airlines
Turkish Airlines
IAD
6:30p
LGW
11:25p
28h 55m
1 stop
LGW
12:20p
IAD
6:25p
30h 05m
1 stop
Depart: Sun Oct 25 2015 Return: Wed Nov 18 2015 Trip spans 25 days
Icelandair
Icelandair
IAD
4:45p
LHR
3:30a
10h 45m
1 stop
LHR
8:00a
IAD
6:30p
10h 30m
1 stop
Depart: Tue Sep 8 2015 Return: Thu Sep 10 2015 Trip spans 3 days
United
United
IAD
8:30a
LHR
10:30p
14h 00m
1 stop
LHR
3:20a
IAD
4:20p
13h 00m
1 stop
Depart: Sun Nov 15 2015 Return: Thu Dec 3 2015 Trip spans 19 days
Turkish Airlines
Turkish Airlines
IAD
6:30p
LHR
12:25a
29h 55m
1 stop
LHR
1:00p
IAD
6:25p
29h 25m
1 stop
Depart: Mon Sep 14 2015 Return: Thu Sep 17 2015 Trip spans 4 days
SWISS
SWISS
IAD
1:40p
LHR
11:15p
33h 35m
1 stop
LHR
2:00a
IAD
4:25p
14h 25m
1 stop
Depart: Sun Sep 13 2015 Return: Thu Oct 1 2015 Trip spans 19 days
Icelandair
Icelandair
IAD
4:35p
LGW
2:45a
10h 10m
1 stop
LGW
9:10a
IAD
8:10p
11h 00m
1 stop
Depart: Thu Jun 4 2015 Return: Wed Jun 24 2015 Trip spans 21 days
Virgin Atlantic
Virgin Atlantic
IAD
2:55p
LHR
10:20p
7h 25m
nonstop
LHR
7:00a
IAD
3:15p
8h 15m
nonstop
Depart: Mon Sep 7 2015 Return: Wed Sep 9 2015 Trip spans 3 days
Lufthansa
Lufthansa
IAD
6:30p
LHR
8:05a
13h 35m
1 stop
LHR
8:05a
IAD
4:25p
8h 20m
nonstop
Depart: Sun Jun 21 2015 Return: Thu Jun 25 2015 Trip spans 5 days
US Airways
US Airways
IAD
12:20p
LHR
10:40p
10h 20m
1 stop
LHR
6:45a
IAD
2:45p
8h 00m
nonstop
Depart: Thu Aug 13 2015 Return: Wed Sep 9 2015 Trip spans 28 days
$1003
Select
Aeroflot
Aeroflot
IAD
11:00a
LHR
11:00p
36h 00m
1 stop
LHR
6:45p
IAD
1:55p
19h 10m
1 stop
Depart: Tue Aug 11 2015 Return: Wed Sep 2 2015 Trip spans 23 days
$1039
Select
Aer Lingus
Aer Lingus
IAD
6:20p
LGW
5:25a
11h 05m
1 stop
LGW
5:10a
IAD
4:35p
11h 25m
1 stop
Depart: Tue Jul 21 2015 Return: Wed Sep 2 2015 Trip spans 44 days
$1092
Select
Aer Lingus
Aer Lingus
IAD
6:20p
LHR
6:55a
12h 35m
1 stop
LHR
3:30a
IAD
4:30p
13h 00m
1 stop
Depart: Fri Jul 3 2015 Return: Tue Aug 4 2015 Trip spans 33 days
$1101
Select
Major Airline
Major Airline
IAD
2:00p
LHR
10:00p
8h 00m
nonstop
LHR
7:00a
IAD
3:00p
8h 00m
nonstop
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 Jun 1 - Sep 11
4383 6:55 pm 7:20 am Jun 2 - Sep 10
Airports
Origin

Washington
$733
Destination

London
only $767
only $733