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

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

Book cheap flights from London Heathrow to Washington Dulles Intl

(Round-trip)
Depart: Sat Feb 21 2015 Return: Sun Feb 22 2015 Trip spans 2 days
United
United
LHR
3:40a
IAD
4:05p
12h 25m
1 stop
IAD
4:30a
LHR
12:00p
7h 30m
nonstop
Depart: Sun Mar 15 2015 Return: Mon Apr 6 2015 Trip spans 23 days
Multiple Airlines
Multiple Airlines
LHR
12:00p
IAD
4:55p
28h 55m
3 stops
IAD
6:30p
LHR
4:45a
34h 15m
3 stops
Depart: Wed Mar 4 2015 Return: Mon Mar 23 2015 Trip spans 19 days
Multiple Airlines
Multiple Airlines
LHR
11:25a
IAD
3:30p
28h 05m
3 stops
IAD
3:05p
LHR
3:05p
48h 00m
3 stops
Depart: Tue Mar 3 2015 Return: Tue Mar 24 2015 Trip spans 21 days
Multiple Airlines
Multiple Airlines
LHR
3:20a
IAD
3:55p
36h 35m
3 stops
IAD
6:55p
LHR
1:15p
42h 20m
3 stops
Depart: Wed Mar 11 2015 Return: Tue Mar 24 2015 Trip spans 14 days
Multiple Airlines
Multiple Airlines
LHR
4:00p
IAD
9:15p
53h 15m
3 stops
IAD
3:30p
LHR
3:05p
47h 35m
3 stops
Depart: Mon Apr 13 2015 Return: Thu Apr 23 2015 Trip spans 11 days
Icelandair
Icelandair
LHR
5:10p
IAD
8:10p
27h 00m
1 stop
IAD
4:35p
LHR
11:10a
18h 35m
1 stop
Depart: Wed Apr 22 2015 Return: Sun Apr 26 2015 Trip spans 5 days
Icelandair
Icelandair
LHR
5:10p
IAD
8:10p
27h 00m
1 stop
IAD
4:35p
LHR
2:45a
10h 10m
1 stop
Depart: Thu Apr 23 2015 Return: Tue May 5 2015 Trip spans 13 days
Icelandair
Icelandair
LHR
9:00a
IAD
8:10p
11h 10m
1 stop
IAD
4:35p
LHR
11:10a
18h 35m
1 stop
Depart: Fri Apr 24 2015 Return: Tue Apr 28 2015 Trip spans 5 days
Icelandair
Icelandair
LHR
5:10p
IAD
8:10p
27h 00m
1 stop
IAD
4:35p
LHR
11:10a
18h 35m
1 stop
Depart: Mon Apr 27 2015 Return: Wed Apr 29 2015 Trip spans 3 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 Apr 28 2015 Return: Wed Apr 29 2015 Trip spans 2 days
Icelandair
Icelandair
LHR
9:00a
IAD
8:10p
11h 10m
1 stop
IAD
4:35p
LHR
11:10a
18h 35m
1 stop
Depart: Tue May 5 2015 Return: Sun May 10 2015 Trip spans 6 days
Icelandair
Icelandair
LHR
9:00a
IAD
8:10p
11h 10m
1 stop
IAD
4:35p
LHR
2:45a
10h 10m
1 stop
Depart: Wed May 6 2015 Return: Sun May 10 2015 Trip spans 5 days
Icelandair
Icelandair
LHR
9:00a
IAD
8:10p
11h 10m
1 stop
IAD
4:35p
LHR
2:45a
10h 10m
1 stop
Depart: Thu May 7 2015 Return: Sun May 10 2015 Trip spans 4 days
Icelandair
Icelandair
LHR
9:00a
IAD
8:10p
11h 10m
1 stop
IAD
4:35p
LHR
2:45a
10h 10m
1 stop
Depart: Sun Mar 29 2015 Return: Mon Apr 20 2015 Trip spans 23 days
Aeroflot
Aeroflot
LHR
6:45p
IAD
1:55p
19h 10m
1 stop
IAD
11:00a
LHR
12:25p
25h 25m
1 stop
Depart: Wed Feb 4 2015 Return: Sun Feb 8 2015 Trip spans 5 days
SAS
SAS
LHR
3:30p
IAD
3:15p
23h 45m
1 stop
IAD
12:15p
LHR
7:05a
18h 50m
1 stop
Depart: Thu Feb 26 2015 Return: Thu Mar 19 2015 Trip spans 21 days
Virgin Atlantic
Virgin Atlantic
LHR
6:25a
IAD
3:00p
8h 35m
nonstop
IAD
1:00p
LHR
2:30a
13h 30m
1 stop
Depart: Thu Apr 9 2015 Return: Tue Apr 21 2015 Trip spans 13 days
Air Canada
Air Canada
LHR
4:30a
IAD
4:43p
12h 13m
1 stop
IAD
8:30a
LHR
11:35p
15h 05m
1 stop
Depart: Thu Apr 2 2015 Return: Mon Apr 6 2015 Trip spans 5 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: Mon Apr 6 2015 Return: Mon Apr 13 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
LHR
6:30p
IAD
7:10p
24h 40m
1 stop
IAD
7:25p
LHR
12:00p
16h 35m
1 stop
Change your search
Direct flights LHR to IAD on Delta
Flight # Depart LHR Arrive IAD Sun Mon Tue Wed Thu Fri Sat Valid Between
4382 11:25 am 3:00 pm Mar 4 - Mar 7
4382 11:25 am 3:00 pm Feb 6 - Mar 2
4382 11:25 am 4:00 pm Mar 8 - Mar 23
Airports
Origin

London
$583
Destination

Washington
$583