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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: Fri Jan 30 2015 Return: Sun Feb 1 2015 Trip spans 3 days
Multiple Airlines
Multiple Airlines
EWR
4:05p
LHR
1:50a
9h 45m
1 stop
LHR
3:05a
EWR
3:00p
11h 55m
1 stop
Depart: Sun Mar 8 2015 Return: Tue Mar 10 2015 Trip spans 3 days
Icelandair
Icelandair
JFK
5:00p
LHR
3:30a
10h 30m
1 stop
LHR
4:35p
JFK
7:05p
26h 30m
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: Sat Jan 24 2015 Return: Sun Jan 25 2015 Trip spans 2 days
Air Canada
Air Canada
LGA
7:50a
LHR
9:30p
13h 40m
1 stop
LHR
7:05a
LGA
7:55p
12h 50m
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
11:10a
JFK
3:55p
28h 45m
1 stop
Depart: Thu Feb 12 2015 Return: Sat Feb 14 2015 Trip spans 3 days
Multiple Airlines
Multiple Airlines
BOS
3:25p
LHR
10:30a
19h 05m
1 stop
LHR
12:00p
BOS
8:05p
32h 05m
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: Mon Jan 26 2015 Trip spans 12 days
Turkish Airlines
Turkish Airlines
JFK
6:40p
LHR
11:00a
16h 20m
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
6:40a
BOS
5:35p
34h 55m
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: 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: 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: 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: Sun May 3 2015 Return: Mon May 11 2015 Trip spans 9 days
Virgin Atlantic
Virgin Atlantic
PHX
6:15p
LHR
7:40a
13h 25m
1 stop
LHR
6:35a
PHX
10:42p
16h 07m
1 stop
Change your search
Airports
Origin

New York City
only $694
only $663
Phoenix
$860
Newark
$623
Philadelphia
$731
Washington
$730
Boston
$713
Destination

London
$623