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Find Flight Deals from United States to London

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights to London

(Round-trip)
Depart: Thu Feb 5 2015 Return: Sat Feb 7 2015 Trip spans 3 days
Norwegian
Norwegian
JFK
4:30p
LGW
10:10a
17h 40m
2 stops
LGW
1:10p
JFK
9:00p
7h 50m
nonstop
Depart: Thu Apr 2 2015 Return: Sun Apr 5 2015 Trip spans 4 days
WOW air
WOW air
BOS
2:55p
LGW
1:50a
10h 55m
1 stop
LGW
8:20a
BOS
6:30p
10h 10m
1 stop
Depart: Sat May 2 2015 Return: Mon May 4 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: Wed Jan 21 2015 Return: Sun Feb 8 2015 Trip spans 19 days
Norwegian
Norwegian
LAX
1:20p
LGW
11:50p
10h 30m
nonstop
LGW
7:50a
LAX
7:20p
11h 30m
nonstop
Depart: Mon Mar 23 2015 Return: Tue Apr 14 2015 Trip spans 23 days
Icelandair
Icelandair
EWR
4:55p
LGW
3:15a
10h 20m
1 stop
LGW
9:10a
EWR
8:00p
10h 50m
1 stop
Depart: Sun Mar 1 2015 Return: Fri Mar 6 2015 Trip spans 6 days
Icelandair
Icelandair
JFK
3:00p
LHR
1:30a
10h 30m
1 stop
LHR
3:35p
JFK
6:05p
26h 30m
1 stop
Depart: Wed Feb 11 2015 Return: Wed Feb 18 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
IAD
6:30p
LGW
12:55a
30h 25m
1 stop
LGW
12:20p
IAD
6:25p
30h 05m
1 stop
Depart: Sat Jan 10 2015 Return: Thu Jan 15 2015 Trip spans 6 days
Multiple Airlines
Multiple Airlines
LGA
9:30a
LTN
11:30p
38h 00m
2 stops
LTN
9:15a
LGA
7:55p
34h 40m
3 stops
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: Wed Jan 7 2015 Return: Wed Jan 14 2015 Trip spans 8 days
Multiple Airlines
Multiple Airlines
JFK
1:55p
STN
10:10a
20h 15m
2 stops
STN
8:45a
JFK
10:55p
14h 10m
2 stops
Depart: Wed Dec 31 2014 Return: Tue Jan 13 2015 Trip spans 14 days
Multiple Airlines
Multiple Airlines
EWR
11:30a
LTN
7:15a
19h 45m
2 stops
LTN
1:30a
EWR
11:44p
22h 14m
2 stops
Depart: Tue Jan 6 2015 Return: Sat Jan 10 2015 Trip spans 5 days
Multiple Airlines
Multiple Airlines
LGA
3:30p
LGW
2:25a
34h 55m
3 stops
LGW
8:25a
LGA
5:50p
33h 25m
3 stops
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: Mon Jan 5 2015 Return: Thu Jan 15 2015 Trip spans 11 days
Multiple Airlines
Multiple Airlines
LGA
3:30p
STN
8:15a
40h 45m
2 stops
STN
5:10p
LGA
4:52p
23h 42m
2 stops
Depart: Sat May 30 2015 Return: Sun Jun 21 2015 Trip spans 23 days
Aeroflot
Aeroflot
IAD
10:50a
LHR
3:05a
16h 15m
1 stop
LHR
6:45p
IAD
1:50p
19h 05m
1 stop
Depart: Sun May 17 2015 Return: Sat May 30 2015 Trip spans 14 days
Icelandair
Icelandair
BOS
5:30p
LHR
2:45a
9h 15m
1 stop
LHR
5:10p
BOS
1:00p
19h 50m
1 stop
Depart: Fri Jan 2 2015 Return: Sat Jan 17 2015 Trip spans 16 days
Multiple Airlines
Multiple Airlines
EWR
10:29a
STN
11:35p
37h 06m
2 stops
STN
5:10p
EWR
6:13p
25h 03m
2 stops
Change your search
Airports
Origin

New York City
only $695
only $547
Los Angeles
$635
Newark
$623
Philadelphia
$731
Washington
$680
Boston
$561
Destination

London
only $623
only $695
only $547
only $747