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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: Fri May 1 2015 Return: Sun May 3 2015 Trip spans 3 days
United
United
EWR
4:00p
LHR
5:35a
13h 35m
1 stop
LHR
4:40a
EWR
12:45p
8h 05m
nonstop
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: Thu May 14 2015 Return: Sun May 24 2015 Trip spans 11 days
Icelandair
Icelandair
JFK
4:40p
LHR
2:45a
10h 05m
1 stop
LHR
5:10p
JFK
1:25p
20h 15m
1 stop
Depart: Mon Mar 9 2015 Return: Wed Mar 11 2015 Trip spans 3 days
Icelandair
Icelandair
EWR
4:55p
LHR
3:30a
10h 35m
1 stop
LHR
4:35p
EWR
7:00p
26h 25m
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
2:00a
JFK
2:50p
12h 50m
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: Fri Feb 13 2015 Return: Sun Feb 15 2015 Trip spans 3 days
Lufthansa
Lufthansa
EWR
4:15p
LHR
11:25p
7h 10m
nonstop
LHR
3:05a
EWR
3:00p
11h 55m
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: Thu Jan 8 2015 Return: Sat Jan 10 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: Sun Feb 22 2015 Return: Fri Apr 10 2015 Trip spans 47 days
Iberia
Iberia
JFK
3:30p
LHR
10:35p
7h 05m
nonstop
LHR
6:05a
JFK
1:50p
7h 45m
nonstop
Depart: Thu Jan 15 2015 Return: Tue Jan 20 2015 Trip spans 6 days
Turkish Airlines
Turkish Airlines
JFK
8:15a
LHR
12:25a
16h 10m
1 stop
LHR
5:30p
JFK
11:45a
18h 15m
1 stop
Depart: Sun Jan 11 2015 Return: Sun Feb 1 2015 Trip spans 22 days
Turkish Airlines
Turkish Airlines
BOS
5:55p
LHR
12:15p
18h 20m
1 stop
LHR
5:30p
BOS
5:35p
24h 05m
1 stop
Depart: Sat Dec 20 2014 Return: Sun Dec 21 2014 Trip spans 2 days
British Airways
British Airways
PHL
9:15a
LHR
9:45p
12h 30m
1 stop
LHR
12:05p
PHL
8:35p
8h 30m
nonstop
Depart: Thu Apr 2 2015 Return: Tue Apr 14 2015 Trip spans 13 days
Kuwait Airways
Kuwait Airways
JFK
6:00p
LHR
1:00a
7h 00m
nonstop
LHR
12:30p
JFK
8:30p
8h 00m
nonstop
Depart: Mon Jun 1 2015 Return: Sat Jun 13 2015 Trip spans 13 days
Icelandair
Icelandair
BOS
5:30p
LHR
2:45a
9h 15m
1 stop
LHR
9:00a
BOS
7:35p
10h 35m
1 stop
Depart: Sun Dec 28 2014 Return: Sun Jan 25 2015 Trip spans 29 days
Air Canada
Air Canada
LGA
12:35p
LHR
9:30p
8h 55m
1 stop
LHR
8:00a
LGA
7:20p
11h 20m
1 stop
Depart: Sun May 10 2015 Return: Tue Jun 2 2015 Trip spans 24 days
Icelandair
Icelandair
IAD
4:35p
LHR
2:45a
10h 10m
1 stop
LHR
5:10p
IAD
1:45p
20h 35m
1 stop
Depart: Wed Dec 31 2014 Return: Thu Jan 8 2015 Trip spans 9 days
Multiple Airlines
Multiple Airlines
EWR
4:05p
LHR
1:50a
9h 45m
1 stop
LHR
6:50a
EWR
8:25p
13h 35m
1 stop
Depart: Wed Jan 7 2015 Return: Sun Jan 11 2015 Trip spans 5 days
Virgin Atlantic
Virgin Atlantic
EWR
3:30p
LHR
11:05p
7h 35m
nonstop
LHR
4:40a
EWR
12:45p
8h 05m
nonstop
Depart: Thu Dec 25 2014 Return: Tue Jan 6 2015 Trip spans 13 days
SWISS
SWISS
JFK
1:20p
LHR
9:10a
19h 50m
1 stop
LHR
12:20p
JFK
2:40p
26h 20m
1 stop
Change your search
Airports
Origin

New York City
only $794
only $663
Newark
$623
Philadelphia
$731
Washington
$797
Boston
$727
Destination

London
$623