Browse Origins:
Browse Destinations:

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

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

Book cheap flights from London to Washington Dulles Intl

(Round-trip)
Depart: Tue Apr 14 2015 Return: Thu May 7 2015 Trip spans 24 days
Icelandair
Icelandair
LHR
5:10p
IAD
8:10p
27h 00m
1 stop
IAD
4:35p
LHR
11:10a
18h 35m
1 stop
Depart: Tue Mar 24 2015 Return: Tue Apr 14 2015 Trip spans 22 days
United
United
LHR
5:25a
IAD
5:15p
11h 50m
1 stop
IAD
8:32a
LHR
9:45p
13h 13m
1 stop
Depart: Mon Mar 9 2015 Return: Thu Apr 30 2015 Trip spans 53 days
Virgin Atlantic
Virgin Atlantic
LHR
7:25a
IAD
4:00p
8h 35m
nonstop
IAD
1:00p
LHR
11:00p
10h 00m
1 stop
Depart: Mon Sep 14 2015 Return: Mon Oct 5 2015 Trip spans 22 days
Multiple Airlines
Multiple Airlines
LHR
12:25p
IAD
8:25p
32h 00m
3 stops
IAD
2:50p
LHR
2:05p
23h 15m
3 stops
Depart: Sun Sep 6 2015 Return: Mon Oct 5 2015 Trip spans 30 days
Aeroflot
Aeroflot
LHR
4:55a
IAD
1:55p
33h 00m
1 stop
IAD
11:00a
LHR
3:05a
16h 05m
1 stop
Depart: Wed Apr 22 2015 Return: Fri May 1 2015 Trip spans 10 days
Delta
Delta
LHR
7:00a
IAD
3:15p
8h 15m
nonstop
IAD
9:05a
LHR
11:45p
14h 40m
1 stop
Depart: Tue Sep 1 2015 Return: Sun Sep 13 2015 Trip spans 13 days
Icelandair
Icelandair
LGW
9:10a
IAD
8:10p
11h 00m
1 stop
IAD
10:10a
LGW
2:45a
16h 35m
1 stop
Depart: Fri Mar 6 2015 Return: Sun Mar 22 2015 Trip spans 16 days
SAS
SAS
LHR
1:40a
IAD
3:15p
13h 35m
1 stop
IAD
2:15p
LHR
5:05a
14h 50m
1 stop
Depart: Thu Apr 2 2015 Return: Sun Apr 12 2015 Trip spans 11 days
Aer Lingus
Aer Lingus
LHR
3:30a
IAD
4:25p
12h 55m
1 stop
IAD
6:20p
LHR
6:00a
11h 40m
1 stop
Depart: Tue Apr 7 2015 Return: Tue Apr 14 2015 Trip spans 8 days
Air Canada
Air Canada
LHR
4:30a
IAD
7:22p
14h 52m
1 stop
IAD
10:40a
LHR
11:35p
12h 55m
1 stop
Depart: Mon Sep 7 2015 Return: Sat Oct 3 2015 Trip spans 27 days
Turkish Airlines
Turkish Airlines
LGW
1:10p
IAD
7:10p
30h 00m
1 stop
IAD
7:25p
LGW
12:05a
28h 40m
1 stop
Depart: Mon Apr 27 2015 Return: Sat May 2 2015 Trip spans 6 days
Turkish Airlines
Turkish Airlines
LHR
12:30p
IAD
7:10p
30h 40m
1 stop
IAD
7:25p
LHR
1:30p
18h 05m
1 stop
Change your search
Direct flights LON to IAD on Delta
Flight # Depart LHR Arrive IAD Sun Mon Tue Wed Thu Fri Sat Valid Between
4382 11:00 am 2:15 pm Mar 29 - Apr 20
4382 11:25 am 4:00 pm Mar 24 - Mar 28
4382 11:25 am 4:00 pm Mar 8 - Mar 23
Airports
Origin

London
only $679
only $800
Destination

Washington
$679