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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: Mon Oct 26 2015 Return: Fri Oct 30 2015 Trip spans 5 days
Norwegian
Norwegian
JFK
LGW
6h 30m
nonstop
LGW
JFK
7h 50m
nonstop
Depart: Tue Oct 27 2015 Return: Tue Nov 10 2015 Trip spans 15 days
Norwegian
Norwegian
LAX
LGW
10h 30m
nonstop
LGW
LAX
11h 20m
nonstop
Depart: Sun Apr 26 2015 Return: Mon Apr 27 2015 Trip spans 2 days
WOW air
WOW air
BOS
LGW
10h 55m
1 stop
LGW
BOS
10h 10m
1 stop
Depart: Sat Apr 25 2015 Return: Sat May 2 2015 Trip spans 8 days
Norwegian
Norwegian
MCO
LGW
8h 15m
nonstop
LGW
MCO
9h 10m
nonstop
Depart: Sat Oct 31 2015 Return: Fri Nov 20 2015 Trip spans 21 days
Icelandair
Icelandair
EWR
LGW
18h 50m
1 stop
LGW
EWR
10h 30m
1 stop
Depart: Tue Sep 29 2015 Return: Sat Oct 3 2015 Trip spans 5 days
Air India
Air India
JFK
LHR
7h 00m
nonstop
LHR
JFK
8h 00m
nonstop
Depart: Fri Sep 18 2015 Return: Sun Sep 20 2015 Trip spans 3 days
Iberia
Iberia
BOS
LHR
11h 00m
1 stop
LHR
BOS
12h 00m
1 stop
Depart: Thu Oct 15 2015 Return: Sun Oct 18 2015 Trip spans 4 days
Icelandair
Icelandair
EWR
LHR
18h 25m
1 stop
LHR
EWR
26h 50m
1 stop
Depart: Tue Oct 13 2015 Return: Wed Oct 21 2015 Trip spans 9 days
Turkish Airlines
Turkish Airlines
IAD
LGW
28h 40m
1 stop
LGW
IAD
30h 00m
1 stop
Depart: Mon Sep 28 2015 Return: Tue Sep 29 2015 Trip spans 2 days
Transaero Airlines
Transaero Airlines
LAX
LHR
10h 25m
nonstop
LHR
LAX
27h 25m
1 stop
Depart: Tue Oct 20 2015 Return: Wed Nov 4 2015 Trip spans 16 days
Icelandair
Icelandair
SEA
LHR
11h 15m
1 stop
LHR
SEA
11h 40m
1 stop
Depart: Wed Oct 28 2015 Return: Tue Nov 3 2015 Trip spans 7 days
Turkish Airlines
Turkish Airlines
IAD
LHR
17h 45m
1 stop
LHR
IAD
24h 55m
1 stop
Depart: Sat Oct 3 2015 Return: Sat Oct 10 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
ORD
LHR
16h 45m
1 stop
LHR
ORD
30h 55m
1 stop
Depart: Wed Aug 19 2015 Return: Tue Sep 8 2015 Trip spans 21 days
Avianca Aerovias
Avianca Aerovias
MIA
LHR
18h 35m
2 stops
LHR
MIA
21h 15m
2 stops
Depart: Fri Oct 23 2015 Return: Sun Oct 25 2015 Trip spans 3 days
KLM Royal Dutch
KLM Royal Dutch
DCA
LHR
15h 05m
1 stop
LHR
DCA
16h 24m
2 stops
Depart: Sun Oct 11 2015 Return: Thu Oct 15 2015 Trip spans 5 days
Icelandair
Icelandair
DEN
LHR
11h 25m
1 stop
LHR
DEN
12h 35m
1 stop
Depart: Fri Oct 16 2015 Return: Sun Oct 25 2015 Trip spans 10 days
Icelandair
Icelandair
MSP
LHR
10h 15m
1 stop
LHR
MSP
26h 30m
1 stop
Depart: Thu Oct 22 2015 Return: Tue Oct 27 2015 Trip spans 6 days
Delta
Delta
MDW
LHR
12h 25m
2 stops
LHR
MDW
15h 35m
2 stops
Depart: Thu Sep 24 2015 Return: Sat Oct 10 2015 Trip spans 17 days
Delta
Delta
DTW
LHR
14h 05m
1 stop
LHR
DTW
14h 12m
1 stop
Depart: Sat May 16 2015 Return: Fri May 22 2015 Trip spans 7 days
British Airways
British Airways
BWI
LHR
7h 30m
nonstop
LHR
BWI
8h 20m
nonstop
Airports
Origin

New York
$513
Detroit
$979
Seattle
$815
Chicago
only $846
only $968
Washington
only $771
only $920
Miami
$870
Baltimore
$995
Minneapolis
$955
Orlando
$581
Los Angeles
$558
Newark
$584
Denver
$954
Boston
$562
Destination

London
only $689
only $513