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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: Mon Jan 26 2015 Return: Thu Feb 5 2015 Trip spans 11 days
SWISS
SWISS
EWR
1:40p
LHR
1:10a
11h 30m
1 stop
LHR
8:45a
EWR
8:25p
11h 40m
1 stop
Depart: Thu Mar 26 2015 Return: Thu Apr 2 2015 Trip spans 8 days
Air India
Air India
JFK
5:00p
LHR
1:00a
8h 00m
nonstop
LHR
11:30a
JFK
7:30p
8h 00m
nonstop
Depart: Tue Apr 14 2015 Return: Tue Apr 21 2015 Trip spans 8 days
Icelandair
Icelandair
JFK
4:40p
LHR
2:45a
10h 05m
1 stop
LHR
9:00a
JFK
8:00p
11h 00m
1 stop
Depart: Sat Jan 17 2015 Return: Mon Jan 19 2015 Trip spans 3 days
United
United
EWR
3:10p
LHR
4:35a
13h 25m
1 stop
LHR
3:40a
EWR
12:00p
8h 20m
nonstop
Depart: Tue Mar 10 2015 Return: Mon Mar 16 2015 Trip spans 7 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
10:25p
16h 50m
1 stop
LHR
2:00a
JFK
2:50p
12h 50m
1 stop
Depart: Tue Apr 7 2015 Return: Tue Apr 14 2015 Trip spans 8 days
Kuwait Airways
Kuwait Airways
JFK
6:00p
LHR
1:00a
7h 00m
nonstop
LHR
11:35a
JFK
6:55p
7h 20m
nonstop
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: Sat Feb 7 2015 Return: Sun Feb 8 2015 Trip spans 2 days
Lufthansa
Lufthansa
EWR
4:15a
LHR
11:25a
7h 10m
nonstop
LHR
3:05a
EWR
3:00p
11h 55m
1 stop
Depart: Sat Mar 28 2015 Return: Mon Mar 30 2015 Trip spans 3 days
British Airways
British Airways
BOS
5:40a
LHR
3:55a
22h 15m
2 stops
LHR
3:30a
BOS
3:40p
12h 10m
1 stop
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
11:10a
JFK
3:55p
28h 45m
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: Sat Dec 20 2014 Return: Sun Dec 21 2014 Trip spans 2 days
British Airways
British Airways
JFK
12:30p
LHR
1:35a
13h 05m
1 stop
LHR
3:00p
JFK
10:55p
7h 55m
nonstop
Depart: Wed Feb 11 2015 Return: Fri Feb 27 2015 Trip spans 17 days
Turkish Airlines
Turkish Airlines
IAD
6:30p
LHR
11:00a
16h 30m
1 stop
LHR
5:30p
IAD
6:25p
24h 55m
1 stop
Depart: Tue Jan 13 2015 Return: Sun Feb 22 2015 Trip spans 41 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: Wed Jan 28 2015 Return: Sun Feb 1 2015 Trip spans 5 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: Fri Dec 26 2014 Return: Sun Dec 28 2014 Trip spans 3 days
KLM Royal Dutch
KLM Royal Dutch
JFK
3:30p
LHR
11:00p
7h 30m
nonstop
LHR
1:30a
JFK
1:15p
11h 45m
1 stop
Depart: Sat Dec 27 2014 Return: Sun Dec 28 2014 Trip spans 2 days
British Airways
British Airways
PHL
4:15p
LHR
11:25p
7h 10m
nonstop
LHR
12:15p
PHL
10:05a
21h 50m
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: Wed Apr 8 2015 Return: Wed Apr 15 2015 Trip spans 8 days
Aeroflot
Aeroflot
LAX
12:25p
LHR
9:45p
33h 20m
1 stop
LHR
6:45p
LAX
6:45p
24h 00m
1 stop
Change your search
Airports
Origin

New York City
only $794
only $589
Los Angeles
$814
Newark
$581
Philadelphia
$736
Washington
$726
Boston
$704
Destination

London
$581