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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 Oct 1 2015 Return: Thu Oct 15 2015 Trip spans 15 days
WOW air
WOW air
BWI
LGW
10h 25m
1 stop
LGW
BWI
10h 35m
1 stop
Depart: Thu Nov 12 2015 Return: Tue Nov 17 2015 Trip spans 6 days
Norwegian
Norwegian
JFK
LGW
6h 30m
nonstop
LGW
JFK
7h 50m
nonstop
Depart: Tue Nov 24 2015 Return: Tue Dec 1 2015 Trip spans 8 days
Norwegian
Norwegian
LAX
LGW
10h 30m
nonstop
LGW
LAX
11h 20m
nonstop
Depart: Fri Nov 6 2015 Return: Fri Nov 13 2015 Trip spans 8 days
Icelandair
Icelandair
EWR
LGW
10h 20m
1 stop
LGW
EWR
10h 30m
1 stop
Depart: Mon May 25 2015 Return: Mon Jun 15 2015 Trip spans 22 days
WOW air
WOW air
BOS
LGW
10h 55m
1 stop
LGW
BOS
10h 10m
1 stop
Depart: Tue Nov 10 2015 Return: Tue Nov 24 2015 Trip spans 15 days
Icelandair
Icelandair
EWR
LHR
10h 35m
1 stop
LHR
EWR
10h 00m
1 stop
Depart: Mon Nov 16 2015 Return: Sun Nov 29 2015 Trip spans 14 days
Icelandair
Icelandair
JFK
LHR
10h 30m
1 stop
LHR
JFK
26h 30m
1 stop
Depart: Tue Oct 13 2015 Return: Wed Oct 14 2015 Trip spans 2 days
United
United
BOS
LHR
11h 10m
1 stop
LHR
BOS
12h 25m
1 stop
Depart: Mon Oct 12 2015 Return: Sat Oct 31 2015 Trip spans 20 days
Norwegian
Norwegian
MCO
LGW
18h 25m
2 stops
LGW
MCO
10h 05m
nonstop
Depart: Wed Nov 4 2015 Return: Thu Nov 19 2015 Trip spans 16 days
Icelandair
Icelandair
IAD
LGW
10h 30m
1 stop
LGW
IAD
11h 00m
1 stop
Depart: Sat Jun 6 2015 Return: Sat Jun 13 2015 Trip spans 8 days
Air Europa
Air Europa
MIA
LGW
13h 40m
1 stop
LGW
MIA
13h 25m
1 stop
Depart: Sun Oct 18 2015 Return: Tue Oct 20 2015 Trip spans 3 days
United
United
IAD
LHR
12h 20m
1 stop
LHR
IAD
13h 00m
1 stop
Depart: Sat Oct 10 2015 Return: Mon Oct 12 2015 Trip spans 3 days
SWISS
SWISS
BOS
LCY
16h 00m
2 stops
LCY
BOS
30h 30m
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: Wed Oct 21 2015 Return: Mon Oct 26 2015 Trip spans 6 days
Turkish Airlines
Turkish Airlines
ORD
LGW
30h 35m
1 stop
LGW
ORD
30h 30m
1 stop
Depart: Sat Nov 21 2015 Return: Sat Nov 28 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
ORD
LHR
17h 10m
1 stop
LHR
ORD
25h 20m
1 stop
Depart: Fri Nov 27 2015 Return: Mon Nov 30 2015 Trip spans 4 days
United
United
MIA
LHR
33h 35m
1 stop
LHR
MIA
14h 10m
1 stop
Depart: Sun Sep 27 2015 Return: Mon Sep 28 2015 Trip spans 2 days
Air Canada
Air Canada
DCA
LHR
9h 25m
1 stop
LHR
DCA
11h 55m
1 stop
Depart: Sun Nov 8 2015 Return: Mon Nov 23 2015 Trip spans 16 days
Virgin Atlantic
Virgin Atlantic
PHL
LHR
7h 25m
nonstop
LHR
PHL
8h 45m
nonstop
Depart: Mon Oct 26 2015 Return: Wed Nov 4 2015 Trip spans 10 days
Aer Lingus
Aer Lingus
IAD
LCY
10h 00m
1 stop
LCY
IAD
14h 00m
1 stop
Airports
Origin

New York
$545
Baltimore
$515
Chicago
$832
Orlando
$691
Los Angeles
$576
Newark
$590
Philadelphia
$939
Washington
only $736
only $877
Miami
$737
Boston
$596
Destination

London
only $617
only $790
only $515