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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: Fri May 8 2015 Return: Fri May 15 2015 Trip spans 8 days
Icelandair
Icelandair
IAD
4:35p
LHR
11:10a
18h 35m
1 stop
LHR
9:00a
IAD
8:10p
11h 10m
1 stop
Depart: Wed Apr 22 2015 Return: Wed May 20 2015 Trip spans 29 days
Icelandair
Icelandair
IAD
4:35p
LHR
11:10a
18h 35m
1 stop
LHR
9:00a
IAD
8:10p
11h 10m
1 stop
Depart: Mon Feb 23 2015 Return: Tue Mar 3 2015 Trip spans 9 days
Turkish Airlines
Turkish Airlines
IAD
6:30p
LHR
11:00a
16h 30m
1 stop
LHR
11:10a
IAD
6:25p
31h 15m
1 stop
Depart: Tue Feb 24 2015 Return: Tue Mar 3 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
IAD
6:30p
LHR
11:00a
16h 30m
1 stop
LHR
11:10a
IAD
6:25p
31h 15m
1 stop
Depart: Wed Feb 25 2015 Return: Tue Mar 3 2015 Trip spans 7 days
Turkish Airlines
Turkish Airlines
IAD
6:30p
LHR
11:00a
16h 30m
1 stop
LHR
11:10a
IAD
6:25p
31h 15m
1 stop
Depart: Mon Mar 2 2015 Return: Tue Mar 10 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
IAD
6:30p
LHR
12:15p
17h 45m
1 stop
LHR
12:10p
IAD
7:25p
31h 15m
1 stop
Depart: Tue Mar 3 2015 Return: Mon Mar 9 2015 Trip spans 6 days
Turkish Airlines
Turkish Airlines
IAD
6:30p
LHR
11:00a
16h 30m
1 stop
LHR
12:00p
IAD
7:25p
31h 25m
1 stop
Depart: Mon Mar 16 2015 Return: Mon Apr 13 2015 Trip spans 29 days
Turkish Airlines
Turkish Airlines
IAD
8:30p
LHR
1:00p
16h 30m
1 stop
LHR
12:30p
IAD
7:10p
30h 40m
1 stop
Depart: Sun Mar 22 2015 Return: Wed Apr 15 2015 Trip spans 25 days
Turkish Airlines
Turkish Airlines
IAD
8:30p
LHR
2:25a
29h 55m
1 stop
LHR
6:30p
IAD
7:10p
24h 40m
1 stop
Depart: Sat May 2 2015 Return: Sun May 3 2015 Trip spans 2 days
United
United
IAD
1:55p
LHR
9:20p
7h 25m
nonstop
LHR
4:50a
IAD
4:25p
11h 35m
1 stop
Depart: Mon Feb 2 2015 Return: Sun Feb 22 2015 Trip spans 21 days
Aeroflot
Aeroflot
IAD
9:05a
LHR
11:05a
26h 00m
1 stop
LHR
8:30a
IAD
12:20p
27h 50m
1 stop
Depart: Thu Mar 5 2015 Return: Sun Mar 8 2015 Trip spans 3 days
Multiple Airlines
Multiple Airlines
IAD
3:00a
LHR
10:50a
31h 50m
3 stops
LHR
7:45a
IAD
12:00p
52h 15m
4 stops
Depart: Tue Mar 17 2015 Return: Mon Mar 23 2015 Trip spans 7 days
Multiple Airlines
Multiple Airlines
IAD
10:46a
LHR
3:05p
28h 19m
3 stops
LHR
4:00p
IAD
11:58a
67h 58m
4 stops
Depart: Tue Mar 10 2015 Return: Mon Apr 13 2015 Trip spans 35 days
Turkish Airlines
Turkish Airlines
IAD
8:30p
LHR
1:00p
16h 30m
1 stop
LHR
12:30p
IAD
7:10p
30h 40m
1 stop
Depart: Mon Mar 23 2015 Return: Sun Mar 29 2015 Trip spans 7 days
Aeroflot
Aeroflot
IAD
11:05a
LHR
4:15a
17h 10m
1 stop
LHR
6:45p
IAD
1:55p
19h 10m
1 stop
Depart: Fri May 1 2015 Return: Sun May 3 2015 Trip spans 3 days
United
United
IAD
6:20p
LHR
3:40a
9h 20m
1 stop
LHR
3:20a
IAD
4:05p
12h 45m
1 stop
Depart: Mon Feb 9 2015 Return: Sun Feb 22 2015 Trip spans 14 days
Aeroflot
Aeroflot
IAD
9:05a
LHR
2:15a
17h 10m
1 stop
LHR
8:30a
IAD
12:20p
27h 50m
1 stop
Depart: Sun Jun 7 2015 Return: Sun Jun 14 2015 Trip spans 8 days
$1023
Select
Aer Lingus
Aer Lingus
IAD
1:20p
LHR
12:05a
10h 45m
1 stop
LHR
2:40a
IAD
4:20p
13h 40m
1 stop
Depart: Sat Feb 14 2015 Return: Sun Feb 15 2015 Trip spans 2 days
$1073
Select
Air Canada
Air Canada
IAD
3:10a
LHR
8:25p
17h 15m
1 stop
LHR
8:00a
IAD
9:20p
13h 20m
1 stop
Depart: Fri Jul 10 2015 Return: Sun Jul 12 2015 Trip spans 3 days
$1191
Select
SAS
SAS
IAD
1:15p
LHR
12:20a
35h 05m
2 stops
LHR
1:00p
IAD
4:00p
27h 00m
1 stop
Change your search
Direct flights IAD 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 Feb 1 - Mar 2
4383 7:15 pm 7:35 am Mar 4 - Mar 7
4383 8:15 pm 7:35 am Mar 8 - Mar 23
4383 9:35 pm 9:55 am Jan 29 - Mar 5
Airports
Origin

Washington
$744
Destination

London
$744