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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: 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: Thu Sep 10 2015 Return: Sun Sep 20 2015 Trip spans 11 days
Aeroflot
Aeroflot
IAD
11:00a
LHR
11:00p
36h 00m
1 stop
LHR
9:25a
IAD
1:55p
28h 30m
1 stop
Depart: Tue Sep 22 2015 Return: Wed Sep 30 2015 Trip spans 9 days
Turkish Airlines
Turkish Airlines
IAD
7:25p
LHR
1:30p
18h 05m
1 stop
LHR
6:30p
IAD
7:10p
24h 40m
1 stop
Depart: Tue Apr 7 2015 Return: Thu Apr 9 2015 Trip spans 3 days
Lufthansa
Lufthansa
IAD
6:30p
LHR
6:40a
12h 10m
1 stop
LHR
8:05a
IAD
4:10p
8h 05m
nonstop
Depart: Sat May 16 2015 Return: Sun May 17 2015 Trip spans 2 days
SAS
SAS
IAD
1:15p
LHR
4:05a
14h 50m
1 stop
LHR
5:05p
IAD
4:00p
22h 55m
2 stops
Depart: Thu Aug 13 2015 Return: Mon Aug 31 2015 Trip spans 19 days
Icelandair
Icelandair
IAD
4:35p
LHR
11:10a
18h 35m
1 stop
LHR
5:10p
IAD
1:45p
20h 35m
1 stop
Depart: Mon Apr 13 2015 Return: Wed Apr 15 2015 Trip spans 3 days
KLM Royal Dutch
KLM Royal Dutch
IAD
1:24p
LHR
2:05a
12h 41m
1 stop
LHR
2:30a
IAD
4:30p
14h 00m
1 stop
Depart: Thu Apr 23 2015 Return: Fri Apr 24 2015 Trip spans 2 days
Delta
Delta
IAD
2:00a
LHR
11:10a
9h 10m
1 stop
LHR
2:30a
IAD
4:30p
14h 00m
1 stop
Depart: Thu May 14 2015 Return: Sun May 17 2015 Trip spans 4 days
SWISS
SWISS
IAD
1:20p
LHR
11:15p
33h 55m
1 stop
LHR
2:00a
IAD
4:15p
14h 15m
1 stop
Depart: Wed Jun 10 2015 Return: Mon Jun 15 2015 Trip spans 6 days
Air Canada
Air Canada
IAD
4:10a
LHR
1:25a
21h 15m
1 stop
LHR
10:10a
IAD
10:15p
12h 05m
1 stop
Depart: Thu Apr 16 2015 Return: Sun Apr 19 2015 Trip spans 4 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 17 2015 Return: Mon Jun 22 2015 Trip spans 6 days
$1025
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 LHR on Delta
Flight # Depart IAD Arrive LHR Sun Mon Tue Wed Thu Fri Sat Valid Between
4383 6:55 pm 7:20 am Mar 29 - 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
$791
Destination

London
$791