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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: Sat Apr 4 2015 Return: Sat Apr 25 2015 Trip spans 22 days
Norwegian
Norwegian
MCO
LGW
8h 15m
nonstop
LGW
MCO
9h 10m
nonstop
Depart: Thu Sep 24 2015 Return: Tue Oct 20 2015 Trip spans 27 days
Norwegian
Norwegian
JFK
LGW
7h 00m
nonstop
LGW
JFK
8h 10m
nonstop
Depart: Thu Apr 2 2015 Return: Thu Apr 23 2015 Trip spans 22 days
Norwegian
Norwegian
LAX
LGW
10h 30m
nonstop
LGW
LAX
11h 20m
nonstop
Depart: Mon Mar 30 2015 Return: Tue Mar 31 2015 Trip spans 2 days
Virgin Atlantic
Virgin Atlantic
LAX
LHR
13h 55m
1 stop
LHR
LAX
11h 45m
nonstop
Depart: Sun Apr 26 2015 Return: Tue Apr 28 2015 Trip spans 3 days
WOW air
WOW air
BOS
LGW
10h 55m
1 stop
LGW
BOS
10h 10m
1 stop
Depart: Tue Sep 29 2015 Return: Tue Oct 13 2015 Trip spans 15 days
Air India
Air India
JFK
LHR
7h 00m
nonstop
LHR
JFK
8h 00m
nonstop
Depart: Tue Apr 28 2015 Return: Wed Apr 29 2015 Trip spans 2 days
Air Canada
Air Canada
BOS
LHR
11h 10m
1 stop
LHR
BOS
10h 33m
1 stop
Depart: Sat Apr 18 2015 Return: Sun Apr 19 2015 Trip spans 2 days
Virgin Atlantic
Virgin Atlantic
DEN
LHR
13h 35m
1 stop
LHR
DEN
13h 46m
1 stop
Depart: Mon Sep 21 2015 Return: Mon Oct 5 2015 Trip spans 15 days
Icelandair
Icelandair
EWR
LGW
10h 00m
1 stop
LGW
EWR
10h 50m
1 stop
Depart: Sat Jun 6 2015 Return: Mon Jun 8 2015 Trip spans 3 days
United
United
EWR
LHR
10h 15m
1 stop
LHR
EWR
12h 40m
1 stop
Depart: Mon Apr 13 2015 Return: Fri Apr 17 2015 Trip spans 5 days
SWISS
SWISS
BOS
LCY
53h 20m
2 stops
LCY
BOS
17h 25m
1 stop
Depart: Sat Sep 26 2015 Return: Sat Oct 3 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
IAD
LGW
30h 25m
1 stop
LGW
IAD
30h 00m
1 stop
Depart: Mon Aug 17 2015 Return: Fri Sep 4 2015 Trip spans 19 days
Aeroflot
Aeroflot
IAD
LHR
25h 25m
1 stop
LHR
IAD
19h 10m
1 stop
Depart: Tue Jun 9 2015 Return: Thu Jun 11 2015 Trip spans 3 days
Air Canada
Air Canada
DCA
LHR
13h 00m
2 stops
LHR
DCA
17h 02m
2 stops
Depart: Sat Apr 25 2015 Return: Mon Apr 27 2015 Trip spans 3 days
SAS
SAS
ORD
LHR
17h 10m
1 stop
LHR
ORD
21h 15m
1 stop
Depart: Sat May 16 2015 Return: Sat Jun 6 2015 Trip spans 22 days
US Airways
US Airways
PHL
LHR
7h 15m
nonstop
LHR
PHL
8h 10m
nonstop
Depart: Mon May 11 2015 Return: Tue May 12 2015 Trip spans 2 days
SWISS
SWISS
IAD
LCY
15h 20m
1 stop
LCY
IAD
25h 50m
1 stop
Depart: Thu Sep 10 2015 Return: Mon Sep 28 2015 Trip spans 19 days
Icelandair
Icelandair
SEA
LGW
11h 15m
1 stop
LGW
SEA
12h 45m
1 stop
Depart: Thu Aug 13 2015 Return: Mon Aug 31 2015 Trip spans 19 days
British Airways
British Airways
BWI
LHR
7h 30m
nonstop
LHR
BWI
8h 20m
nonstop
Depart: Wed Jun 10 2015 Return: Tue Jun 23 2015 Trip spans 14 days
Transaero Airlines
Transaero Airlines
MIA
LHR
16h 40m
1 stop
LHR
MIA
33h 10m
1 stop
Airports
Origin

New York
$603
Baltimore
$967
Seattle
$965
Chicago
$877
Orlando
$548
Los Angeles
$682
Newark
$738
Denver
$735
Philadelphia
$936
Washington
only $804
only $869
Boston
$689
Miami
$973
Destination

London
only $689
only $786
only $548