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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: Sun Feb 8 2015 Return: Tue Feb 10 2015 Trip spans 3 days
Norwegian
Norwegian
JFK
5:00p
LGW
10:10a
17h 10m
2 stops
LGW
1:05p
JFK
9:00p
7h 55m
nonstop
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
8:35a
EWR
8:04p
11h 29m
1 stop
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: Sat Apr 18 2015 Return: Sun Apr 19 2015 Trip spans 2 days
Air Canada
Air Canada
JFK
6:35a
LHR
9:25p
14h 50m
1 stop
LHR
5:50a
JFK
11:37p
41h 47m
2 stops
Depart: Mon Mar 9 2015 Return: Thu Mar 12 2015 Trip spans 4 days
Icelandair
Icelandair
EWR
4:55p
LGW
3:15a
10h 20m
1 stop
LGW
8:30a
EWR
7:00p
10h 30m
1 stop
Depart: Sun Jan 11 2015 Return: Mon Jan 26 2015 Trip spans 16 days
Turkish Airlines
Turkish Airlines
BOS
5:55p
LGW
6:20a
36h 25m
1 stop
LGW
5:20a
BOS
5:35p
36h 15m
1 stop
Depart: Mon Mar 30 2015 Return: Mon Apr 6 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
IAD
7:25p
LGW
1:50a
30h 25m
1 stop
LGW
8:35a
IAD
7:10p
34h 35m
1 stop
Depart: Sat Jan 10 2015 Return: Thu Jan 15 2015 Trip spans 6 days
Multiple Airlines
Multiple Airlines
LGA
9:30a
STN
11:35p
38h 05m
2 stops
STN
5:00a
LGA
3:52p
34h 52m
2 stops
Depart: Fri Jan 9 2015 Return: Wed Jan 21 2015 Trip spans 13 days
Multiple Airlines
Multiple Airlines
JFK
5:13p
LTN
11:30p
30h 17m
1 stop
LTN
9:15a
JFK
1:42p
28h 27m
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: Wed Jan 7 2015 Return: Fri Jan 16 2015 Trip spans 10 days
Multiple Airlines
Multiple Airlines
JFK
4:12p
STN
3:05a
10h 53m
1 stop
STN
5:10p
JFK
1:42p
20h 32m
1 stop
Depart: Mon Jun 1 2015 Return: Sat Jun 13 2015 Trip spans 13 days
Icelandair
Icelandair
BOS
5:30p
LHR
2:45a
9h 15m
1 stop
LHR
9:00a
BOS
7:35p
10h 35m
1 stop
Depart: Mon Dec 29 2014 Return: Tue Jan 27 2015 Trip spans 30 days
Air Canada
Air Canada
LGA
3:30a
LHR
11:35p
20h 05m
1 stop
LHR
8:00a
LGA
7:20p
11h 20m
1 stop
Depart: Sun May 17 2015 Return: Sat Jun 6 2015 Trip spans 21 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 Jan 4 2015 Return: Sat Jan 10 2015 Trip spans 7 days
Multiple Airlines
Multiple Airlines
EWR
5:40p
STN
11:45a
18h 05m
2 stops
STN
5:10p
EWR
2:05p
20h 55m
2 stops
Change your search
Airports
Origin

New York City
only $694
only $564
Los Angeles
$635
Newark
$623
Philadelphia
$731
Washington
$684
Boston
$681
Destination

London
only $623
only $695
only $564
only $694