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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 Oct 25 2015 Return: Sat Oct 31 2015 Trip spans 7 days
Norwegian
Norwegian
JFK
LGW
6h 30m
nonstop
LGW
JFK
7h 50m
nonstop
Depart: Sun Nov 15 2015 Return: Thu Nov 19 2015 Trip spans 5 days
Norwegian
Norwegian
LAX
LGW
10h 30m
nonstop
LGW
LAX
11h 20m
nonstop
Depart: Fri Nov 6 2015 Return: Tue Nov 10 2015 Trip spans 5 days
Icelandair
Icelandair
EWR
LGW
10h 20m
1 stop
LGW
EWR
10h 30m
1 stop
Depart: Tue Sep 22 2015 Return: Thu Oct 1 2015 Trip spans 10 days
WOW air
WOW air
BOS
LGW
10h 55m
1 stop
LGW
BOS
10h 10m
1 stop
Depart: Wed Oct 28 2015 Return: Sun Nov 1 2015 Trip spans 5 days
WOW air
WOW air
BWI
LGW
10h 25m
1 stop
LGW
BWI
10h 35m
1 stop
Depart: Fri Oct 23 2015 Return: Sun Oct 25 2015 Trip spans 3 days
United
United
BOS
LHR
11h 05m
1 stop
LHR
BOS
14h 45m
1 stop
Depart: Tue Oct 6 2015 Return: Tue Oct 20 2015 Trip spans 15 days
Air India
Air India
JFK
LHR
7h 00m
nonstop
LHR
JFK
8h 00m
nonstop
Depart: Mon Sep 21 2015 Return: Mon Oct 5 2015 Trip spans 15 days
Icelandair
Icelandair
EWR
LHR
18h 25m
1 stop
LHR
EWR
26h 50m
1 stop
Depart: Sat Oct 24 2015 Return: Sat Oct 31 2015 Trip spans 8 days
Norwegian
Norwegian
MCO
LGW
8h 25m
nonstop
LGW
MCO
10h 05m
nonstop
Depart: Mon Jun 1 2015 Return: Fri Jun 12 2015 Trip spans 12 days
Air Europa
Air Europa
MIA
LGW
13h 40m
1 stop
LGW
MIA
13h 25m
1 stop
Depart: Fri Sep 25 2015 Return: Sun Sep 27 2015 Trip spans 3 days
United
United
PHL
LHR
9h 06m
1 stop
LHR
PHL
13h 15m
1 stop
Depart: Thu Oct 1 2015 Return: Fri Oct 2 2015 Trip spans 2 days
Transaero Airlines
Transaero Airlines
LAX
LHR
10h 25m
nonstop
LHR
LAX
27h 25m
1 stop
Depart: Fri Oct 9 2015 Return: Sun Oct 11 2015 Trip spans 3 days
American Airlines
American Airlines
ORD
LHR
10h 15m
1 stop
LHR
ORD
8h 35m
nonstop
Depart: Sat Nov 21 2015 Return: Fri Nov 27 2015 Trip spans 7 days
Turkish Airlines
Turkish Airlines
IAD
LHR
16h 30m
1 stop
LHR
IAD
29h 25m
1 stop
Depart: Tue Sep 29 2015 Return: Sat Oct 10 2015 Trip spans 12 days
Turkish Airlines
Turkish Airlines
IAD
LGW
30h 25m
1 stop
LGW
IAD
30h 00m
1 stop
Depart: Wed Nov 4 2015 Return: Mon Nov 9 2015 Trip spans 6 days
Aer Lingus
Aer Lingus
BOS
LCY
8h 50m
1 stop
LCY
BOS
10h 00m
1 stop
Depart: Fri Oct 30 2015 Return: Sun Nov 1 2015 Trip spans 3 days
Air Canada
Air Canada
MIA
LHR
20h 25m
1 stop
LHR
MIA
19h 07m
2 stops
Depart: Sat Oct 17 2015 Return: Sat Oct 24 2015 Trip spans 8 days
United
United
DCA
LHR
10h 05m
1 stop
LHR
DCA
12h 23m
1 stop
Depart: Fri Aug 28 2015 Return: Sat Sep 12 2015 Trip spans 16 days
United
United
DEN
LHR
12h 11m
1 stop
LHR
DEN
13h 13m
1 stop
Depart: Tue Jun 2 2015 Return: Tue Jun 9 2015 Trip spans 8 days
Lufthansa
Lufthansa
EWR
STN
9h 50m
1 stop
STN
EWR
11h 40m
1 stop
Airports
Origin

New York
$500
Baltimore
$652
Chicago
$816
Orlando
$714
Los Angeles
$578
Newark
$588
Denver
$936
Philadelphia
$778
Washington
only $816
only $904
Miami
$735
Boston
$626
Destination

London
only $664
only $853
only $500
only $980