Browse Origins:
Browse Destinations:

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: Sat Oct 17 2015 Return: Wed Nov 4 2015 Trip spans 19 days
Icelandair
Icelandair
IAD
4:35p
LHR
2:45a
10h 10m
1 stop
LHR
8:00a
IAD
6:30p
10h 30m
1 stop
Depart: Sat Oct 31 2015 Return: Sat Nov 7 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
IAD
8:30p
LHR
12:00p
16h 30m
1 stop
LHR
5:30p
IAD
6:25p
24h 55m
1 stop
Depart: Sat Sep 5 2015 Return: Sun Sep 13 2015 Trip spans 9 days
Aeroflot
Aeroflot
IAD
11:00a
LHR
12:25p
25h 25m
1 stop
LHR
6:45p
IAD
1:55p
19h 10m
1 stop
Depart: Wed May 6 2015 Return: Mon May 11 2015 Trip spans 6 days
Aer Lingus
Aer Lingus
IAD
1:20p
LHR
11:05p
9h 45m
1 stop
LHR
3:30a
IAD
4:25p
12h 55m
1 stop
Depart: Sat Aug 22 2015 Return: Mon Aug 24 2015 Trip spans 3 days
SAS
SAS
IAD
1:15p
LHR
3:50a
14h 35m
2 stops
LHR
2:40a
IAD
4:00p
13h 20m
1 stop
Depart: Fri May 8 2015 Return: Sun May 10 2015 Trip spans 3 days
KLM Royal Dutch
KLM Royal Dutch
IAD
9:31a
LHR
11:45p
14h 14m
1 stop
LHR
4:40a
IAD
4:30p
11h 50m
1 stop
Depart: Tue Jun 2 2015 Return: Thu Jun 25 2015 Trip spans 24 days
US Airways
US Airways
IAD
6:25p
LHR
1:40a
7h 15m
nonstop
LHR
6:45a
IAD
2:45p
8h 00m
nonstop
Depart: Fri May 15 2015 Return: Mon May 25 2015 Trip spans 11 days
United
United
IAD
5:55p
LHR
1:20a
7h 25m
nonstop
LHR
8:05a
IAD
4:10p
8h 05m
nonstop
Depart: Thu Jun 11 2015 Return: Thu Jul 2 2015 Trip spans 22 days
British Airways
British Airways
IAD
6:25p
LHR
1:40a
7h 15m
nonstop
LHR
6:45a
IAD
2:45p
8h 00m
nonstop
Depart: Thu May 7 2015 Return: Tue Jun 9 2015 Trip spans 34 days
Finnair
Finnair
IAD
2:30p
LHR
9:50p
7h 20m
nonstop
LHR
1:25p
IAD
9:25p
8h 00m
nonstop
Depart: Sun Oct 18 2015 Return: Thu Nov 5 2015 Trip spans 19 days
American Airlines
American Airlines
IAD
6:25p
LHR
1:40a
7h 15m
nonstop
LHR
12:00p
IAD
8:15p
8h 15m
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
$758
Destination

London
$758