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Find Flight Deals from United States to London Heathrow

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

Book cheap flights to London Heathrow

(Round-trip)
Depart: Thu Mar 5 2015 Return: Sat Mar 7 2015 Trip spans 3 days
Air Canada
Air Canada
JFK
5:35a
LHR
1:50a
20h 15m
1 stop
LHR
4:55a
JFK
10:30p
40h 35m
2 stops
Depart: Sat May 2 2015 Return: Mon May 4 2015 Trip spans 3 days
United
United
EWR
3:10p
LHR
10:40p
7h 30m
nonstop
LHR
3:05a
EWR
2:55p
11h 50m
1 stop
Depart: Fri Apr 3 2015 Return: Sun Apr 5 2015 Trip spans 3 days
Air Canada
Air Canada
EWR
12:25p
LHR
4:05a
15h 40m
2 stops
LHR
9:05a
EWR
8:37p
11h 32m
1 stop
Depart: Fri Jan 30 2015 Return: Sun Feb 1 2015 Trip spans 3 days
Multiple Airlines
Multiple Airlines
EWR
5:40a
LHR
1:50a
20h 10m
1 stop
LHR
3:05a
EWR
3:00p
11h 55m
1 stop
Depart: Sun Mar 22 2015 Return: Wed Apr 22 2015 Trip spans 32 days
Icelandair
Icelandair
JFK
5:00p
LHR
3:30a
10h 30m
1 stop
LHR
9:00a
JFK
8:00p
11h 00m
1 stop
Depart: Tue Mar 24 2015 Return: Thu Apr 16 2015 Trip spans 24 days
Icelandair
Icelandair
EWR
4:55p
LHR
11:30a
18h 35m
1 stop
LHR
9:00a
EWR
8:00p
11h 00m
1 stop
Depart: Fri Jan 16 2015 Return: Sun Jan 18 2015 Trip spans 3 days
Multiple Airlines
Multiple Airlines
JFK
5:35a
LHR
1:50a
20h 15m
1 stop
LHR
2:35a
JFK
3:45p
13h 10m
1 stop
Depart: Sat Feb 28 2015 Return: Sun Mar 1 2015 Trip spans 2 days
US Airways
US Airways
JFK
3:30a
LHR
10:15a
6h 45m
nonstop
LHR
4:30a
JFK
3:35p
11h 05m
1 stop
Depart: Tue Jan 20 2015 Return: Tue Feb 3 2015 Trip spans 15 days
Air India
Air India
JFK
4:00p
LHR
11:00p
7h 00m
nonstop
LHR
10:30a
JFK
6:30p
8h 00m
nonstop
Depart: Fri Mar 13 2015 Return: Sun Mar 15 2015 Trip spans 3 days
Lufthansa
Lufthansa
EWR
6:15p
LHR
1:25a
7h 10m
nonstop
LHR
4:05a
EWR
4:00p
11h 55m
1 stop
Depart: Sat Jan 10 2015 Return: Sun Jan 11 2015 Trip spans 2 days
British Airways
British Airways
JFK
2:30a
LHR
7:10p
16h 40m
1 stop
LHR
2:00p
JFK
3:55p
25h 55m
1 stop
Depart: Thu Feb 12 2015 Return: Sat Feb 14 2015 Trip spans 3 days
Finnair
Finnair
JFK
3:25p
LHR
9:15a
17h 50m
1 stop
LHR
1:05p
JFK
3:55p
26h 50m
1 stop
Depart: Sat Mar 28 2015 Return: Mon Mar 30 2015 Trip spans 3 days
Iberia
Iberia
JFK
2:15p
LHR
9:20p
7h 05m
nonstop
LHR
2:20a
JFK
3:45p
13h 25m
1 stop
Depart: Thu Jan 15 2015 Return: Wed Jan 28 2015 Trip spans 14 days
Turkish Airlines
Turkish Airlines
JFK
6:40p
LHR
11:00a
16h 20m
1 stop
LHR
5:30p
JFK
5:45p
24h 15m
1 stop
Depart: Sun Jan 11 2015 Return: Wed Jan 21 2015 Trip spans 11 days
Turkish Airlines
Turkish Airlines
BOS
5:55p
LHR
11:00a
17h 05m
1 stop
LHR
11:10a
BOS
5:35p
30h 25m
1 stop
Depart: Sun Mar 15 2015 Return: Mon Apr 13 2015 Trip spans 30 days
Turkish Airlines
Turkish Airlines
IAD
8:30p
LHR
2:25a
29h 55m
1 stop
LHR
6:30p
IAD
7:10p
24h 40m
1 stop
Depart: Fri Dec 26 2014 Return: Sun Dec 28 2014 Trip spans 3 days
Delta
Delta
EWR
3:30p
LHR
11:05p
7h 35m
nonstop
LHR
1:30a
EWR
3:42p
14h 12m
1 stop
Depart: Sat Dec 27 2014 Return: Sun Dec 28 2014 Trip spans 2 days
Iberia
Iberia
PHL
4:15p
LHR
11:25p
7h 10m
nonstop
LHR
1:30p
PHL
4:05p
26h 35m
1 stop
Depart: Mon Dec 29 2014 Return: Tue Jan 27 2015 Trip spans 30 days
Air Canada
Air Canada
LGA
3:30a
LHR
11:35p
20h 05m
1 stop
LHR
8:00a
LGA
7:20p
11h 20m
1 stop
Depart: Sun May 3 2015 Return: Tue May 12 2015 Trip spans 10 days
Virgin Atlantic
Virgin Atlantic
PHX
8:12a
LHR
9:25p
13h 13m
1 stop
LHR
11:05a
PHX
2:47a
15h 42m
1 stop
Change your search
Airports
Origin

New York City
only $794
only $663
Phoenix
$860
Newark
$669
Philadelphia
$745
Washington
$730
Boston
$727
Destination

London
$663