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

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

Book cheap flights from Washington Dulles Intl to London Heathrow

(Round-trip)
Depart: Thu Oct 15 2015 Return: Mon Oct 19 2015 Trip spans 5 days
Icelandair
Icelandair
IAD
4:35p
LHR
11:10a
18h 35m
1 stop
LHR
5:10p
IAD
8:10p
27h 00m
1 stop
Depart: Sat Oct 31 2015 Return: Sat Nov 7 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
IAD
8:30p
LHR
1:25a
29h 55m
1 stop
LHR
11:10a
IAD
6:25p
31h 15m
1 stop
Depart: Thu Sep 10 2015 Return: Sun Sep 27 2015 Trip spans 18 days
Aeroflot
Aeroflot
IAD
11:00a
LHR
3:05a
16h 05m
1 stop
LHR
6:45p
IAD
1:55p
19h 10m
1 stop
Depart: Wed May 6 2015 Return: Sun May 10 2015 Trip spans 5 days
Aer Lingus
Aer Lingus
IAD
1:20p
LHR
12:05a
10h 45m
1 stop
LHR
2:40a
IAD
4:35p
13h 55m
1 stop
Depart: Fri May 29 2015 Return: Sat May 30 2015 Trip spans 2 days
SAS
SAS
IAD
1:15p
LHR
4:05a
14h 50m
1 stop
LHR
2:00p
IAD
4:00p
26h 00m
2 stops
Depart: Mon May 4 2015 Return: Wed May 6 2015 Trip spans 3 days
KLM Royal Dutch
KLM Royal Dutch
IAD
1:14p
LHR
2:05a
12h 51m
1 stop
LHR
4:40a
IAD
4:30p
11h 50m
1 stop
Depart: Fri May 8 2015 Return: Sun May 10 2015 Trip spans 3 days
Delta
Delta
IAD
9:05a
LHR
12:25a
15h 20m
1 stop
LHR
4:40a
IAD
4:30p
11h 50m
1 stop
Depart: Wed Sep 30 2015 Return: Thu Oct 15 2015 Trip spans 16 days
Aeromexico
Aeromexico
IAD
9:00p
LHR
7:05a
34h 05m
1 stop
LHR
6:35p
IAD
12:44a
30h 09m
1 stop
Depart: Fri Jun 5 2015 Return: Sun Jun 7 2015 Trip spans 3 days
US Airways
US Airways
IAD
5:20a
LHR
1:50a
20h 30m
2 stops
LHR
6:45a
IAD
2:45p
8h 00m
nonstop
Depart: Fri May 15 2015 Return: Sun May 24 2015 Trip spans 10 days
Virgin Atlantic
Virgin Atlantic
IAD
2:55p
LHR
10:20p
7h 25m
nonstop
LHR
7:00a
IAD
3:15p
8h 15m
nonstop
Depart: Wed Jun 3 2015 Return: Fri Jun 5 2015 Trip spans 3 days
United
United
IAD
6:20p
LHR
4:30a
10h 10m
1 stop
LHR
3:20a
IAD
8:00p
16h 40m
1 stop
Depart: Mon Jun 15 2015 Return: Fri Jun 19 2015 Trip spans 5 days
Finnair
Finnair
IAD
2:30p
LHR
9:50p
7h 20m
nonstop
LHR
1:25p
IAD
9:25p
8h 00m
nonstop
Depart: Sat Apr 25 2015 Return: Sun Apr 26 2015 Trip spans 2 days
British Airways
British Airways
IAD
6:25p
LHR
1:40a
7h 15m
nonstop
LHR
1:25p
IAD
9:25p
8h 00m
nonstop
Direct flights IAD to LHR on Delta
Flight # Depart IAD Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
4383 6:55 pm 7:20 am May 5 - May 31
4383 6:55 pm 7:20 am Apr 22 - May 4
Airports
Origin

Washington
$760
Destination

London
$760