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

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youth
12-17
Child
2-11
Seat Infant
under 2
Lap Infant
under 2
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

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 Sep 26 2015 Return: Mon Sep 28 2015 Trip spans 3 days
United
United
IAD
6:25p
LHR
6:55a
12h 30m
1 stop
LHR
3:20a
IAD
4:20p
13h 00m
1 stop
Depart: Sun Nov 8 2015 Return: Tue Dec 8 2015 Trip spans 31 days
Icelandair
Icelandair
IAD
2:45p
LHR
1:30a
10h 45m
1 stop
LHR
8:00a
IAD
6:30p
10h 30m
1 stop
Depart: Sat Dec 26 2015 Return: Sun Dec 27 2015 Trip spans 2 days
Lufthansa
Lufthansa
IAD
1:05p
LHR
1:45a
12h 40m
1 stop
LHR
11:20a
IAD
7:50p
8h 30m
nonstop
Depart: Wed Feb 24 2016 Return: Tue Mar 1 2016 Trip spans 7 days
Turkish Airlines
Turkish Airlines
IAD
6:20p
LHR
12:05a
29h 45m
1 stop
LHR
5:30p
IAD
6:35p
25h 05m
1 stop
Depart: Fri Dec 25 2015 Return: Sun Dec 27 2015 Trip spans 3 days
Delta
Delta
IAD
7:45a
LHR
1:00a
17h 15m
1 stop
LHR
4:40a
IAD
4:35p
11h 55m
1 stop
Depart: Fri Jan 22 2016 Return: Tue Jan 26 2016 Trip spans 5 days
Air Canada
Air Canada
IAD
7:30a
LHR
11:35p
16h 05m
1 stop
LHR
7:05a
IAD
8:40p
13h 35m
1 stop
Depart: Thu Jan 7 2016 Return: Mon Jan 18 2016 Trip spans 12 days
Finnair
Finnair
IAD
12:45p
LHR
7:55p
7h 10m
nonstop
LHR
6:15a
IAD
2:40p
8h 25m
nonstop
Depart: Mon Jan 11 2016 Return: Mon Jan 18 2016 Trip spans 8 days
Major Airline
Major Airline
IAD
1:30p
LHR
8:25p
6h 55m
nonstop
LHR
6:15a
IAD
2:25p
8h 10m
nonstop
Depart: Sun Sep 6 2015 Return: Thu Sep 24 2015 Trip spans 19 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 Oct 7 2015 Return: Wed Oct 14 2015 Trip spans 8 days
American Airlines
American Airlines
IAD
2:30p
LHR
9:50p
7h 20m
nonstop
LHR
1:25p
IAD
9:25p
8h 00m
nonstop
Depart: Mon Jan 4 2016 Return: Sun Jan 10 2016 Trip spans 7 days
Austrian Airlines
Austrian Airlines
IAD
1:00p
LHR
8:40a
19h 40m
1 stop
LHR
1:00a
IAD
2:45p
13h 45m
1 stop
Depart: Tue Sep 1 2015 Return: Mon Sep 7 2015 Trip spans 7 days
US Airways
US Airways
IAD
2:30p
LHR
9:50p
7h 20m
nonstop
LHR
6:45a
IAD
2:45p
8h 00m
nonstop
Depart: Wed Aug 26 2015 Return: Fri Sep 11 2015 Trip spans 17 days
$1032
Select
Aer Lingus
Aer Lingus
IAD
1:20p
LHR
11:05p
9h 45m
1 stop
LHR
5:50a
IAD
4:35p
10h 45m
1 stop
Depart: Mon Feb 22 2016 Return: Fri Feb 26 2016 Trip spans 5 days
$1803
Select
SAS
SAS
IAD
12:15p
LHR
6:00a
17h 45m
1 stop
LHR
1:40a
IAD
3:15p
13h 35m
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 Sep 5 - Sep 10
4383 6:55 pm 7:20 am Sep 1 - Sep 7
4383 6:55 pm 7:20 am Jul 31 - Aug 31
4383 6:55 pm 7:20 am Jul 30 - Aug 30
Airports
Origin

Washington
$707
Destination

London
$707