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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
8:00a
EWR
4:05p
8h 05m
nonstop
Depart: Sat Apr 18 2015 Return: Sun Apr 19 2015 Trip spans 2 days
Air Canada
Air Canada
JFK
2:55a
LHR
9:25p
18h 30m
1 stop
LHR
5:50a
JFK
11:37p
41h 47m
2 stops
Depart: Thu May 14 2015 Return: Sun May 24 2015 Trip spans 11 days
Icelandair
Icelandair
JFK
10:10a
LHR
2:45a
16h 35m
1 stop
LHR
5:10p
JFK
1:25p
20h 15m
1 stop
Depart: Fri Apr 10 2015 Return: Sun Apr 12 2015 Trip spans 3 days
Air Canada
Air Canada
LGA
12:30p
LHR
4:05a
15h 35m
2 stops
LHR
9:05a
LGA
8:18p
11h 13m
1 stop
Depart: Fri Feb 13 2015 Return: Sun Feb 15 2015 Trip spans 3 days
Multiple Airlines
Multiple Airlines
EWR
5:40a
LHR
10:25p
16h 45m
1 stop
LHR
3:05a
EWR
3:00p
11h 55m
1 stop
Depart: Fri Jan 30 2015 Return: Sun Feb 1 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 14 2015 Return: Sun Feb 15 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: Thu Feb 12 2015 Return: Thu Feb 19 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
IAD
6:30p
LHR
12:25a
29h 55m
1 stop
LHR
5:30p
IAD
6:25p
24h 55m
1 stop
Depart: Thu Jan 29 2015 Return: Thu Feb 5 2015 Trip spans 8 days
Air India
Air India
JFK
4:00p
LHR
11:00p
7h 00m
nonstop
LHR
10:30a
JFK
6:30p
8h 00m
nonstop
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 Feb 20 2015 Return: Sun Feb 22 2015 Trip spans 3 days
United
United
BOS
11:04a
LHR
12:20a
13h 16m
2 stops
LHR
1:30a
BOS
1:20p
11h 50m
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: Fri Jan 9 2015 Return: Sat Jan 10 2015 Trip spans 2 days
British Airways
British Airways
JFK
7:40a
LHR
7:10p
11h 30m
1 stop
LHR
1:55p
JFK
3:55p
26h 00m
1 stop
Depart: Wed Jan 14 2015 Return: Thu Feb 26 2015 Trip spans 44 days
Turkish Airlines
Turkish Airlines
JFK
8:15a
LHR
5:10a
20h 55m
1 stop
LHR
5:30p
JFK
11:45a
18h 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: Sat Dec 27 2014 Return: Mon Dec 29 2014 Trip spans 3 days
British Airways
British Airways
PHL
4:15p
LHR
11:25p
7h 10m
nonstop
LHR
3:25a
PHL
3:50p
12h 25m
1 stop
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: 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
2:25p
EWR
10:30p
8h 05m
nonstop
Depart: Wed Apr 1 2015 Return: Sun Apr 12 2015 Trip spans 12 days
Transaero Airlines
Transaero Airlines
JFK
10:25a
LHR
2:15a
15h 50m
1 stop
LHR
8:25a
JFK
1:15p
28h 50m
1 stop
Depart: Sun May 3 2015 Return: Sat May 9 2015 Trip spans 7 days
Turkish Airlines
Turkish Airlines
HOU
4:00p
LHR
12:30p
20h 30m
1 stop
LHR
1:40p
HOU
8:05p
30h 25m
1 stop
Change your search
Airports
Origin

New York City
only $673
only $663
Newark
$623
Philadelphia
$731
Washington
$692
Houston
$872
Boston
$708
Destination

London
$623