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

New York
$496
Baltimore
$652
Chicago
$787
Orlando
$687
Los Angeles
$662
Newark
$590
Denver
$832
Philadelphia
$877
Washington
only $738
only $901
Miami
$736
Boston
$596
Destination

London
only $617
only $496
only $927