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Find Deals on Flights 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: Wed Sep 30 2015 Return: Thu Oct 15 2015 Trip spans 16 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 Nov 3 2015 Return: Fri Nov 13 2015 Trip spans 11 days
Delta
Delta
LHR
5:55a
IAD
2:20p
8h 25m
nonstop
IAD
12:15p
LHR
12:40a
12h 25m
1 stop
Depart: Sat Dec 19 2015 Return: Mon Dec 28 2015 Trip spans 10 days
Aer Lingus
Aer Lingus
LHR
1:50a
IAD
3:25p
13h 35m
1 stop
IAD
12:20p
LHR
1:15a
12h 55m
1 stop
Depart: Tue Oct 6 2015 Return: Tue Oct 20 2015 Trip spans 15 days
SAS
SAS
LHR
2:40a
IAD
4:00p
13h 20m
1 stop
IAD
1:15p
LHR
4:05a
14h 50m
1 stop
Depart: Tue Aug 18 2015 Return: Wed Sep 9 2015 Trip spans 23 days
United
United
LHR
2:50a
IAD
3:30p
12h 40m
1 stop
IAD
6:25p
LHR
6:55a
12h 30m
1 stop
Depart: Sun Dec 13 2015 Return: Mon Jan 4 2016 Trip spans 23 days
Austrian Airlines
Austrian Airlines
LHR
2:35p
IAD
2:40p
24h 05m
1 stop
IAD
12:55p
LHR
8:40a
19h 45m
1 stop
Depart: Mon Dec 21 2015 Return: Wed Jan 6 2016 Trip spans 17 days
American Airlines
American Airlines
LHR
6:15a
IAD
2:25p
8h 10m
nonstop
IAD
1:30p
LHR
8:25p
6h 55m
nonstop
Depart: Thu Dec 24 2015 Return: Thu Jan 7 2016 Trip spans 15 days
Air Canada
Air Canada
LHR
7:05a
IAD
8:40p
13h 35m
1 stop
IAD
3:45a
LHR
9:30p
17h 45m
1 stop
Depart: Sun Aug 23 2015 Return: Mon Aug 31 2015 Trip spans 9 days
Brussels Airlines
Brussels Airlines
LHR
1:50p
IAD
1:55p
24h 05m
1 stop
IAD
1:50p
LHR
8:05a
18h 15m
1 stop
Depart: Fri Jul 3 2015 Return: Sun Jul 5 2015 Trip spans 3 days
$1138
Select
Aeromexico
Aeromexico
LHR
6:35p
IAD
12:57a
30h 22m
1 stop
IAD
9:12p
LHR
7:05a
33h 53m
1 stop
Depart: Wed Jul 15 2015 Return: Wed Jul 22 2015 Trip spans 8 days
$1213
Select
Lufthansa
Lufthansa
LHR
4:30a
IAD
4:55p
12h 25m
1 stop
IAD
5:30a
LHR
12:55p
7h 25m
nonstop
Depart: Sun Dec 20 2015 Return: Fri Jan 1 2016 Trip spans 13 days
$1230
Select
KLM Royal Dutch
KLM Royal Dutch
LHR
3:40a
IAD
3:40p
12h 00m
1 stop
IAD
1:00p
LHR
2:05a
13h 05m
1 stop
Depart: Wed Jul 1 2015 Return: Mon Jul 27 2015 Trip spans 27 days
$1413
Select
Aeroflot
Aeroflot
LHR
6:45p
IAD
1:55p
19h 10m
1 stop
IAD
11:00a
LHR
12:25p
25h 25m
1 stop
Direct flights LHR 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 Jun 27 - Sep 10
4382 11:00 am 2:15 pm Jun 29 - Sep 11
Airports
Origin

London
$651
Destination

Washington
$651