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: Fri Jan 22 2016 Return: Sun Jan 24 2016 Trip spans 3 days
United
United
IAD
7:30a
LHR
11:35p
16h 05m
1 stop
LHR
2:40a
IAD
3:30p
12h 50m
1 stop
Depart: Thu Nov 19 2015 Return: Sun Nov 22 2015 Trip spans 4 days
Air Canada
Air Canada
IAD
5:00p
LHR
9:30p
28h 30m
1 stop
LHR
1:00a
IAD
9:19p
20h 19m
2 stops
Depart: Fri Dec 25 2015 Return: Sun Dec 27 2015 Trip spans 3 days
Delta
Delta
IAD
8:45a
LHR
10:45p
14h 00m
1 stop
LHR
3:40a
IAD
3:45p
12h 05m
1 stop
Depart: Sun Nov 29 2015 Return: Sat Dec 5 2015 Trip spans 7 days
Icelandair
Icelandair
IAD
2:45p
LHR
1:30a
10h 45m
1 stop
LHR
3:35p
IAD
6:30p
26h 55m
1 stop
Depart: Thu Mar 3 2016 Return: Sun Mar 6 2016 Trip spans 4 days
Austrian Airlines
Austrian Airlines
IAD
1:00p
LHR
10:15p
33h 15m
1 stop
LHR
2:30a
IAD
11:20a
8h 50m
nonstop
Depart: Tue Dec 15 2015 Return: Tue Jan 5 2016 Trip spans 22 days
Finnair
Finnair
IAD
1:15p
LHR
8:25p
7h 10m
nonstop
LHR
6:15a
IAD
2:40p
8h 25m
nonstop
Depart: Thu Dec 31 2015 Return: Mon Jan 4 2016 Trip spans 5 days
Virgin Atlantic
Virgin Atlantic
IAD
4:30p
LHR
11:55p
7h 25m
nonstop
LHR
6:00a
IAD
2:35p
8h 35m
nonstop
Depart: Wed Jan 6 2016 Return: Sun Jan 10 2016 Trip spans 5 days
British Airways
British Airways
IAD
5:30p
LHR
12:35a
7h 05m
nonstop
LHR
12:00p
IAD
8:30p
8h 30m
nonstop
Depart: Mon Oct 19 2015 Return: Mon Nov 2 2015 Trip spans 15 days
Turkish Airlines
Turkish Airlines
IAD
7:20p
LHR
12:00p
16h 40m
1 stop
LHR
11:00a
IAD
6:35p
31h 35m
1 stop
Depart: Fri Oct 2 2015 Return: Sun Oct 4 2015 Trip spans 3 days
KLM
KLM
IAD
2:50p
LHR
2:10a
11h 20m
1 stop
LHR
2:30a
IAD
4:30p
14h 00m
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 11 - Sep 15
4383 6:55 pm 7:20 am Sep 14 - Sep 21
4383 6:55 pm 7:20 am Sep 22 - Oct 22
4383 6:55 pm 7:20 am Sep 25 - Oct 23
Airports
Origin

Washington
$639
Destination

London
$639