Browse Origins:
Browse Destinations:

Find Flight Deals 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: Mon Oct 26 2015 Return: Sun Nov 15 2015 Trip spans 21 days
Icelandair
Icelandair
EWR
LHR
10h 35m
1 stop
LHR
EWR
26h 25m
1 stop
Depart: Wed Oct 28 2015 Return: Wed Nov 25 2015 Trip spans 29 days
Icelandair
Icelandair
JFK
LHR
18h 30m
1 stop
LHR
JFK
10h 05m
1 stop
Depart: Fri Sep 11 2015 Return: Sun Sep 13 2015 Trip spans 3 days
United
United
BOS
LHR
13h 50m
1 stop
LHR
BOS
16h 00m
1 stop
Depart: Sun Oct 25 2015 Return: Wed Nov 18 2015 Trip spans 25 days
Icelandair
Icelandair
IAD
LHR
10h 45m
1 stop
LHR
IAD
10h 30m
1 stop
Depart: Mon Oct 5 2015 Return: Tue Oct 6 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: Wed Aug 26 2015 Return: Fri Aug 28 2015 Trip spans 3 days
United
United
DEN
LHR
16h 15m
1 stop
LHR
DEN
14h 05m
1 stop
Depart: Fri Oct 30 2015 Return: Sun Nov 1 2015 Trip spans 3 days
Air Canada
Air Canada
MIA
LHR
20h 25m
1 stop
LHR
MIA
19h 07m
2 stops
Depart: Fri Jul 10 2015 Return: Sun Jul 12 2015 Trip spans 3 days
American Airlines
American Airlines
PHL
LHR
13h 45m
1 stop
LHR
PHL
11h 40m
1 stop
Depart: Sat Oct 31 2015 Return: Thu Nov 12 2015 Trip spans 13 days
United
United
DCA
LHR
10h 05m
1 stop
LHR
DCA
11h 46m
1 stop
Depart: Sat Oct 3 2015 Return: Tue Nov 3 2015 Trip spans 32 days
Icelandair
Icelandair
MCO
LHR
20h 10m
1 stop
LHR
MCO
12h 05m
1 stop
Depart: Sun Nov 22 2015 Return: Sat Nov 28 2015 Trip spans 7 days
Turkish Airlines
Turkish Airlines
HOU
LHR
18h 30m
1 stop
LHR
HOU
30h 40m
1 stop
Depart: Sat Nov 14 2015 Return: Mon Nov 30 2015 Trip spans 17 days
Icelandair
Icelandair
MSP
LHR
19h 00m
1 stop
LHR
MSP
10h 05m
1 stop
Depart: Fri Sep 4 2015 Return: Mon Sep 7 2015 Trip spans 4 days
Major Airline
Major Airline
BWI
LHR
7h 00m
nonstop
LHR
BWI
8h 00m
nonstop
Depart: Wed Nov 4 2015 Return: Thu Dec 31 2015 Trip spans 58 days
United
United
STL
LHR
11h 10m
1 stop
LHR
STL
15h 06m
1 stop
Depart: Sat Nov 28 2015 Return: Mon Nov 30 2015 Trip spans 3 days
SAS
SAS
SFO
LHR
17h 00m
2 stops
LHR
SFO
16h 05m
1 stop
Depart: Wed Oct 14 2015 Return: Tue Oct 20 2015 Trip spans 7 days
$1005
Select
Delta
Delta
DTW
LHR
14h 20m
1 stop
LHR
DTW
12h 15m
1 stop
Depart: Wed Nov 25 2015 Return: Sun Nov 29 2015 Trip spans 5 days
$1006
Select
United
United
LGA
LHR
10h 45m
1 stop
LHR
LGA
11h 20m
1 stop
Depart: Sat Sep 19 2015 Return: Sat Nov 7 2015 Trip spans 50 days
$1017
Select
United
United
SNA
LHR
29h 10m
1 stop
LHR
SNA
17h 35m
1 stop
Depart: Sat Oct 10 2015 Return: Wed Oct 21 2015 Trip spans 12 days
$1032
Select
Delta
Delta
FLL
LHR
14h 35m
2 stops
LHR
FLL
16h 40m
2 stops
Airports
Origin

New York
only $617
only $1006
Detroit
$1005
Chicago
$816
Fort Lauderdale
$1032
Santa Ana
$1017
Washington
only $767
only $900
St Louis
$975
Miami
$869
San Francisco
$998
Baltimore
$975
Minneapolis
$962
Orlando
$920
Los Angeles
$802
Newark
$617
Denver
$818
Philadelphia
$877
Houston
$953
Boston
$664
Destination

London
$617