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Find Deals on Flights 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 Nov 15 2015 Return: Wed Nov 25 2015 Trip spans 11 days
Norwegian
Norwegian
JFK
LGW
6h 30m
nonstop
LGW
JFK
7h 50m
nonstop
Depart: Thu Jan 28 2016 Return: Thu Feb 11 2016 Trip spans 15 days
Norwegian
Norwegian
LAX
LGW
10h 30m
nonstop
LGW
LAX
11h 20m
nonstop
Depart: Mon Sep 7 2015 Return: Mon Oct 5 2015 Trip spans 29 days
WOW air
WOW air
BOS
LGW
10h 55m
1 stop
LGW
BOS
10h 10m
1 stop
Depart: Mon Nov 23 2015 Return: Mon Nov 30 2015 Trip spans 8 days
WOW air
WOW air
BWI
LGW
10h 25m
1 stop
LGW
BWI
10h 35m
1 stop
Depart: Fri Nov 27 2015 Return: Sun Nov 29 2015 Trip spans 3 days
United
United
BOS
LHR
13h 25m
2 stops
LHR
BOS
15h 55m
1 stop
Depart: Sat Dec 12 2015 Return: Mon Dec 14 2015 Trip spans 3 days
United
United
IAD
LHR
12h 10m
1 stop
LHR
IAD
12h 45m
1 stop
Depart: Sat Nov 7 2015 Return: Sun Nov 15 2015 Trip spans 9 days
Icelandair
Icelandair
EWR
LGW
18h 50m
1 stop
LGW
EWR
26h 05m
1 stop
Depart: Sat Sep 26 2015 Return: Sat Oct 31 2015 Trip spans 36 days
Norwegian
Norwegian
MCO
LGW
8h 15m
nonstop
LGW
MCO
9h 30m
nonstop
Depart: Fri Oct 16 2015 Return: Sun Oct 18 2015 Trip spans 3 days
United
United
EWR
LHR
9h 35m
1 stop
LHR
EWR
11h 30m
1 stop
Depart: Tue Nov 3 2015 Return: Mon Nov 9 2015 Trip spans 7 days
Icelandair
Icelandair
JFK
LHR
18h 30m
1 stop
LHR
JFK
26h 30m
1 stop
Depart: Mon Jul 20 2015 Return: Thu Sep 3 2015 Trip spans 46 days
Air Europa
Air Europa
MIA
LGW
13h 40m
1 stop
LGW
MIA
13h 25m
1 stop
Depart: Sat Aug 29 2015 Return: Mon Aug 31 2015 Trip spans 3 days
United
United
PHL
LHR
14h 40m
1 stop
LHR
PHL
13h 15m
1 stop
Depart: Sat Oct 31 2015 Return: Sat Nov 7 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
IAD
LGW
28h 55m
1 stop
LGW
IAD
34h 45m
1 stop
Depart: Fri Dec 18 2015 Return: Mon Jan 4 2016 Trip spans 18 days
United
United
LGA
LHR
8h 55m
1 stop
LHR
LGA
13h 26m
1 stop
Depart: Mon Dec 28 2015 Return: Sun Jan 10 2016 Trip spans 14 days
Icelandair
Icelandair
DEN
LHR
12h 15m
1 stop
LHR
DEN
11h 55m
1 stop
Depart: Thu Sep 24 2015 Return: Sun Oct 11 2015 Trip spans 18 days
Aeroflot
Aeroflot
LAX
LHR
20h 30m
1 stop
LHR
LAX
24h 20m
1 stop
Depart: Thu Oct 1 2015 Return: Sat Oct 10 2015 Trip spans 10 days
Turkish Airlines
Turkish Airlines
ORD
LGW
28h 25m
1 stop
LGW
ORD
34h 45m
1 stop
Depart: Sat Dec 19 2015 Return: Sat Jan 2 2016 Trip spans 15 days
United
United
DCA
LHR
9h 55m
1 stop
LHR
DCA
12h 25m
1 stop
Depart: Fri Dec 11 2015 Return: Mon Jan 11 2016 Trip spans 32 days
LOT Polish Air
LOT Polish Air
ORD
LHR
13h 30m
1 stop
LHR
ORD
31h 50m
1 stop
Depart: Thu Dec 17 2015 Return: Thu Dec 31 2015 Trip spans 15 days
US Airways
US Airways
HPN
LHR
9h 35m
1 stop
LHR
HPN
18h 46m
1 stop
Airports
Origin

New York
only $413
only $776
Baltimore
$582
Chicago
$835
Orlando
$650
Los Angeles
$528
White Plains
$856
Newark
$645
Denver
$786
Philadelphia
$755
Washington
only $638
only $849
Boston
$543
Miami
$738
Destination

London
only $633
only $413