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Find Deals on Flights from United States to London Heathrow

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights to London Heathrow

(Round-trip)
Depart: Thu Nov 19 2015 Return: Mon Nov 30 2015 Trip spans 12 days
Icelandair
Icelandair
EWR
LHR
10h 35m
1 stop
LHR
EWR
26h 25m
1 stop
Depart: Wed Nov 11 2015 Return: Mon Nov 16 2015 Trip spans 6 days
Icelandair
Icelandair
JFK
LHR
10h 30m
1 stop
LHR
JFK
10h 05m
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: Sun Nov 8 2015 Return: Sun Nov 15 2015 Trip spans 8 days
Icelandair
Icelandair
IAD
LHR
10h 45m
1 stop
LHR
IAD
10h 30m
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: Fri Oct 2 2015 Return: Mon Oct 5 2015 Trip spans 4 days
Finnair
Finnair
MIA
LHR
37h 15m
2 stops
LHR
MIA
9h 15m
nonstop
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: Sun Sep 27 2015 Return: Thu Oct 8 2015 Trip spans 12 days
United
United
DCA
LHR
9h 25m
1 stop
LHR
DCA
11h 31m
1 stop
Depart: Sat Oct 24 2015 Return: Mon Oct 26 2015 Trip spans 3 days
United
United
MCO
LHR
14h 50m
2 stops
LHR
MCO
15h 40m
1 stop
Depart: Mon Sep 28 2015 Return: Mon Oct 5 2015 Trip spans 8 days
United
United
DEN
LHR
15h 30m
1 stop
LHR
DEN
17h 57m
1 stop
Depart: Sun Nov 15 2015 Return: Tue Nov 24 2015 Trip spans 10 days
Icelandair
Icelandair
SEA
LHR
12h 00m
1 stop
LHR
SEA
11h 40m
1 stop
Depart: Tue Sep 8 2015 Return: Tue Sep 22 2015 Trip spans 15 days
Delta
Delta
CLT
LHR
15h 25m
2 stops
LHR
CLT
14h 33m
2 stops
Depart: Sat Oct 10 2015 Return: Mon Oct 12 2015 Trip spans 3 days
Turkish Airlines
Turkish Airlines
PBI
LHR
26h 45m
2 stops
LHR
PBI
28h 15m
2 stops
Depart: Wed Oct 7 2015 Return: Wed Oct 21 2015 Trip spans 15 days
United
United
ONT
LHR
17h 35m
1 stop
LHR
ONT
17h 05m
1 stop
Depart: Wed Oct 28 2015 Return: Tue Nov 10 2015 Trip spans 14 days
United
United
MCI
LHR
11h 05m
1 stop
LHR
MCI
16h 48m
2 stops
Depart: Sun Oct 11 2015 Return: Fri Oct 23 2015 Trip spans 13 days
$1005
Select
Finnair
Finnair
BWI
LHR
7h 30m
nonstop
LHR
BWI
8h 20m
nonstop
Depart: Fri Oct 30 2015 Return: Mon Nov 9 2015 Trip spans 11 days
$1030
Select
United
United
HOU
LHR
9h 25m
nonstop
LHR
HOU
11h 00m
nonstop
Depart: Tue Sep 29 2015 Return: Wed Oct 7 2015 Trip spans 9 days
$1034
Select
Avianca Aerovias
Avianca Aerovias
FLL
LHR
17h 45m
1 stop
LHR
FLL
21h 05m
1 stop
Depart: Mon Nov 23 2015 Return: Wed Dec 23 2015 Trip spans 31 days
$1065
Select
United
United
PHX
LHR
13h 30m
1 stop
LHR
PHX
20h 46m
1 stop
Airports
Origin

New York
$617
Kansas City
$999
Charlotte
$984
Seattle
$961
Chicago
$816
Fort Lauderdale
$1034
Washington
only $761
only $900
Miami
$795
West Palm Beach
$986
Baltimore
$1005
Orlando
$910
Phoenix
$1065
Los Angeles
$800
Newark
$615
Denver
$925
Ontario
$992
Philadelphia
$778
Houston
$1030
Boston
$664
Destination

London
$615