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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 Jan 22 2015 Return: Tue Feb 3 2015 Trip spans 13 days
Norwegian
Norwegian
JFK
5:30p
LGW
12:00a
6h 30m
nonstop
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
8:00a
EWR
4:05p
8h 05m
nonstop
Depart: Mon Apr 20 2015 Return: Wed May 13 2015 Trip spans 24 days
Icelandair
Icelandair
JFK
4:40p
LHR
2:45a
10h 05m
1 stop
LHR
5:10p
JFK
1:25p
20h 15m
1 stop
Depart: Wed Feb 4 2015 Return: Sun Feb 8 2015 Trip spans 5 days
Norwegian
Norwegian
LAX
1:20p
LGW
11:50p
10h 30m
nonstop
LGW
7:50a
LAX
7:20p
11h 30m
nonstop
Depart: Mon Mar 9 2015 Return: Sun Mar 15 2015 Trip spans 7 days
Icelandair
Icelandair
EWR
4:55p
LGW
3:15a
10h 20m
1 stop
LGW
4:55p
EWR
7:00p
26h 05m
1 stop
Depart: Mon Mar 30 2015 Return: Wed Apr 8 2015 Trip spans 10 days
Multiple Airlines
Multiple Airlines
JFK
2:45p
STN
12:40a
9h 55m
1 stop
STN
2:30p
JFK
12:20p
21h 50m
1 stop
Depart: Mon Jan 12 2015 Return: Mon Jan 26 2015 Trip spans 15 days
Turkish Airlines
Turkish Airlines
BOS
5:55p
LGW
6:20a
36h 25m
1 stop
LGW
12:20p
BOS
5:35p
29h 15m
1 stop
Depart: Fri Mar 13 2015 Return: Mon Mar 16 2015 Trip spans 4 days
Turkish Airlines
Turkish Airlines
IAD
8:30p
LGW
1:15a
28h 45m
1 stop
LGW
1:20p
IAD
7:25p
30h 05m
1 stop
Depart: Sun Jan 11 2015 Return: Sun Jan 18 2015 Trip spans 8 days
Multiple Airlines
Multiple Airlines
JFK
4:12p
LTN
7:15a
15h 03m
1 stop
LTN
1:30a
JFK
1:42p
12h 12m
1 stop
Depart: Thu Jan 8 2015 Return: Sat Jan 10 2015 Trip spans 3 days
SWISS
SWISS
JFK
2:45p
LCY
4:25a
13h 40m
1 stop
LCY
7:15a
JFK
12:55p
29h 40m
1 stop
Depart: Thu May 28 2015 Return: Tue Jun 2 2015 Trip spans 6 days
Icelandair
Icelandair
IAD
4:35p
LHR
2:45a
10h 10m
1 stop
LHR
5:10p
IAD
1:45p
20h 35m
1 stop
Depart: Sat Jan 3 2015 Return: Tue Jan 13 2015 Trip spans 11 days
United
United
LGA
1:00a
LHR
12:00p
11h 00m
1 stop
LHR
7:05a
LGA
7:55p
12h 50m
1 stop
Depart: Sat Jun 20 2015 Return: Sat Aug 15 2015 Trip spans 57 days
Icelandair
Icelandair
BOS
5:00p
LHR
2:45a
9h 45m
1 stop
LHR
5:10p
BOS
1:00p
19h 50m
1 stop
Change your search
Airports
Origin

New York City
only $822
only $584
Los Angeles
$634
Newark
$623
Washington
$679
Boston
$679
Destination

London
only $623
only $695
only $756
only $584
only $677