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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: Sat Nov 14 2015 Return: Mon Nov 16 2015 Trip spans 3 days
United
United
EWR
LHR
9h 35m
1 stop
LHR
EWR
15h 45m
1 stop
Depart: Sat Nov 7 2015 Return: Mon Nov 9 2015 Trip spans 3 days
United
United
BOS
LHR
12h 35m
2 stops
LHR
BOS
14h 50m
1 stop
Depart: Tue Nov 3 2015 Return: Sat Nov 14 2015 Trip spans 12 days
Icelandair
Icelandair
JFK
LHR
18h 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
IAD
LHR
12h 30m
1 stop
LHR
IAD
12h 45m
1 stop
Depart: Sat Dec 12 2015 Return: Mon Dec 14 2015 Trip spans 3 days
United
United
PHL
LHR
12h 55m
1 stop
LHR
PHL
12h 00m
1 stop
Depart: Fri Oct 30 2015 Return: Sun Nov 1 2015 Trip spans 3 days
US Airways
US Airways
ISP
LHR
10h 35m
1 stop
LHR
ISP
15h 03m
2 stops
Depart: Fri Oct 2 2015 Return: Sun Oct 4 2015 Trip spans 3 days
United
United
ORD
LHR
10h 53m
1 stop
LHR
ORD
12h 55m
1 stop
Depart: Sat Dec 19 2015 Return: Tue Jan 19 2016 Trip spans 32 days
United
United
LGA
LHR
10h 45m
1 stop
LHR
LGA
11h 20m
1 stop
Depart: Wed Nov 4 2015 Return: Tue Nov 10 2015 Trip spans 7 days
American Airlines
American Airlines
DTW
LHR
15h 40m
1 stop
LHR
DTW
15h 30m
2 stops
Depart: Thu Oct 8 2015 Return: Sat Oct 10 2015 Trip spans 3 days
Aeroflot
Aeroflot
LAX
LHR
31h 05m
1 stop
LHR
LAX
24h 50m
1 stop
Depart: Fri Dec 4 2015 Return: Sun Dec 6 2015 Trip spans 3 days
United
United
SEA
LHR
14h 45m
1 stop
LHR
SEA
13h 50m
1 stop
Depart: Fri Jan 29 2016 Return: Fri Feb 5 2016 Trip spans 8 days
United
United
DCA
LHR
9h 55m
1 stop
LHR
DCA
11h 55m
1 stop
Depart: Tue Sep 29 2015 Return: Fri Oct 9 2015 Trip spans 11 days
US Airways
US Airways
HPN
LHR
10h 04m
1 stop
LHR
HPN
15h 38m
2 stops
Depart: Fri Sep 18 2015 Return: Sun Sep 20 2015 Trip spans 3 days
American Airlines
American Airlines
MIA
LHR
15h 10m
1 stop
LHR
MIA
14h 05m
1 stop
Depart: Fri Dec 18 2015 Return: Tue Jan 5 2016 Trip spans 19 days
United
United
MCO
LHR
15h 05m
1 stop
LHR
MCO
17h 08m
1 stop
Depart: Sun Nov 22 2015 Return: Sat Nov 28 2015 Trip spans 7 days
Turkish Airlines
Turkish Airlines
SFO
LHR
32h 15m
1 stop
LHR
SFO
25h 55m
1 stop
Depart: Thu Nov 12 2015 Return: Thu Nov 19 2015 Trip spans 8 days
United
United
CLT
LHR
14h 30m
1 stop
LHR
CLT
13h 10m
1 stop
Depart: Tue Nov 10 2015 Return: Tue Nov 24 2015 Trip spans 15 days
United
United
BNA
LHR
15h 50m
1 stop
LHR
BNA
14h 49m
1 stop
Depart: Tue Dec 8 2015 Return: Tue Dec 15 2015 Trip spans 8 days
United
United
PHX
LHR
13h 30m
1 stop
LHR
PHX
27h 13m
1 stop
Depart: Wed Sep 2 2015 Return: Sat Sep 12 2015 Trip spans 11 days
US Airways
US Airways
CMH
LHR
10h 25m
1 stop
LHR
CMH
24h 17m
2 stops
Airports
Origin

New York
only $673
only $776
Detroit
$799
Charlotte
$893
Seattle
$826
Chicago
$763
White Plains
$849
Nashville
$898
Washington
only $676
only $842
Miami
$856
San Francisco
$884
Islip
$757
Orlando
$875
Columbus
$923
Phoenix
$902
Los Angeles
$825
Newark
$619
Philadelphia
$685
Boston
$633
Destination

London
$619