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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 Apr 24 2015 Return: Sun Apr 26 2015 Trip spans 3 days
United
United
EWR
4:00p
LHR
5:35a
13h 35m
1 stop
LHR
8:00a
EWR
4:05p
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: Fri Jan 23 2015 Return: Sun Jan 25 2015 Trip spans 3 days
Multiple Airlines
Multiple Airlines
EWR
4:05p
LHR
10:30a
18h 25m
1 stop
LHR
3:05a
EWR
3:00p
11h 55m
1 stop
Depart: Mon Mar 23 2015 Return: Mon Mar 30 2015 Trip spans 8 days
Icelandair
Icelandair
EWR
4:55p
LHR
3:30a
10h 35m
1 stop
LHR
5:10p
EWR
8:00p
26h 50m
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: Sat Jan 24 2015 Trip spans 5 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: 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 Feb 12 2015 Return: Sun Feb 15 2015 Trip spans 4 days
Multiple Airlines
Multiple Airlines
BOS
2:10p
LHR
9:30p
31h 20m
1 stop
LHR
1:00a
BOS
8:05p
19h 05m
1 stop
Depart: Sat Dec 20 2014 Return: Sun Dec 21 2014 Trip spans 2 days
British Airways
British Airways
JFK
3:30a
LHR
10:15a
6h 45m
nonstop
LHR
5:50a
JFK
7:30p
13h 40m
1 stop
Depart: Wed Jan 14 2015 Return: Thu Feb 19 2015 Trip spans 37 days
Turkish Airlines
Turkish Airlines
JFK
8:15a
LHR
12:25a
16h 10m
1 stop
LHR
5:30p
JFK
5:45p
24h 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
11:00a
17h 05m
1 stop
LHR
11:10a
BOS
5:35p
30h 25m
1 stop
Depart: Sat Dec 27 2014 Return: Sun Dec 28 2014 Trip spans 2 days
British Airways
British Airways
PHL
12:45a
LHR
12:40p
11h 55m
1 stop
LHR
8:15a
PHL
4:20p
8h 05m
nonstop
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: Sat May 23 2015 Return: Sat Jun 6 2015 Trip spans 15 days
Icelandair
Icelandair
IAD
4:35p
LHR
2:45a
10h 10m
1 stop
LHR
5:10p
IAD
1:45p
20h 35m
1 stop
Depart: Sun Apr 5 2015 Return: Sat Apr 11 2015 Trip spans 7 days
Aeroflot
Aeroflot
LAX
12:25p
LHR
8:05a
19h 40m
1 stop
LHR
6:15p
LAX
6:45p
24h 30m
1 stop
Depart: Wed May 27 2015 Return: Wed Jun 10 2015 Trip spans 15 days
Virgin Atlantic
Virgin Atlantic
DAL
8:50a
LHR
11:50p
15h 00m
1 stop
LHR
7:35a
DAL
11:55p
16h 20m
1 stop
Change your search
Airports
Origin

New York City
only $794
only $663
Los Angeles
$817
Newark
$623
Dallas
$861
Philadelphia
$731
Washington
$797
Boston
$713
Destination

London
$623