Find Cheap Flights from London Heathrow to United States

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from London Heathrow to United States

(Round-trip)
Depart: Mon Oct 30 2017 Return: Mon Nov 6 2017 Trip spans 8 days
British Airways
British Airways
LHR
BOS
7h 40m
nonstop
BOS
LHR
6h 20m
nonstop
Depart: Mon Aug 28 2017 Return: Sun Sep 3 2017 Trip spans 7 days
Air France
Air France
LHR
JFK
19h 30m
1 stop
JFK
LHR
11h 55m
1 stop
Depart: Mon Sep 18 2017 Return: Fri Oct 6 2017 Trip spans 19 days
KLM
KLM
LHR
EWR
26h 06m
1 stop
EWR
LHR
17h 16m
1 stop
Depart: Tue Aug 29 2017 Return: Tue Sep 5 2017 Trip spans 8 days
Austrian Airlines
Austrian Airlines
LHR
EWR
7h 55m
nonstop
EWR
LHR
7h 30m
nonstop
Depart: Fri Sep 22 2017 Return: Wed Sep 27 2017 Trip spans 6 days
Delta
Delta
LHR
LGA
15h 54m
2 stops
LGA
LHR
12h 30m
2 stops
Depart: Sun Sep 3 2017 Return: Thu Sep 14 2017 Trip spans 12 days
Finnair
Finnair
LHR
JFK
7h 55m
nonstop
JFK
LHR
7h 00m
nonstop
Depart: Sun Oct 29 2017 Return: Mon Nov 6 2017 Trip spans 9 days
Air New Zealand
Air New Zealand
LHR
LAX
11h 25m
nonstop
LAX
LHR
10h 30m
nonstop
Depart: Mon Sep 25 2017 Return: Mon Oct 2 2017 Trip spans 8 days
TAP Portugal
TAP Portugal
LHR
MIA
23h 40m
1 stop
MIA
LHR
24h 30m
1 stop
Depart: Tue Sep 5 2017 Return: Sun Sep 10 2017 Trip spans 6 days
Virgin Atlantic
Virgin Atlantic
LHR
JFK
7h 55m
nonstop
JFK
LHR
7h 10m
nonstop
Depart: Thu Sep 28 2017 Return: Tue Oct 3 2017 Trip spans 6 days
Icelandair
Icelandair
LHR
BOS
19h 50m
1 stop
BOS
LHR
9h 15m
1 stop
Depart: Tue Aug 22 2017 Return: Tue Sep 5 2017 Trip spans 15 days
Brussels Airlines
Brussels Airlines
LHR
LGA
16h 23m
1 stop
LGA
LHR
11h 13m
1 stop
Depart: Tue Oct 3 2017 Return: Thu Oct 12 2017 Trip spans 10 days
Major Airline
Major Airline
LHR
SEA
9h 40m
2 stops
SEA
LHR
9h 30m
2 stops
Depart: Sat Sep 23 2017 Return: Mon Sep 25 2017 Trip spans 3 days
Air Canada
Air Canada
LHR
LGA
10h 08m
1 stop
LGA
LHR
10h 45m
1 stop
Depart: Thu May 11 2017 Return: Sun May 14 2017 Trip spans 4 days
Royal Air Maroc
Royal Air Maroc
LHR
JFK
12h 10m
1 stop
JFK
LHR
28h 55m
1 stop
Depart: Fri Sep 1 2017 Return: Tue Sep 19 2017 Trip spans 19 days
United
United
LHR
LGA
11h 42m
1 stop
LGA
LHR
10h 45m
1 stop
Depart: Fri Jun 2 2017 Return: Wed Jun 7 2017 Trip spans 6 days
Air India
Air India
LHR
EWR
7h 30m
nonstop
EWR
LHR
6h 45m
nonstop
Depart: Sat Oct 21 2017 Return: Fri Oct 27 2017 Trip spans 7 days
Aer Lingus
Aer Lingus
LHR
BOS
12h 25m
1 stop
BOS
LHR
8h 50m
1 stop
Depart: Tue Aug 29 2017 Return: Tue Sep 12 2017 Trip spans 15 days
SWISS
SWISS
LHR
MIA
14h 05m
1 stop
MIA
LHR
15h 40m
1 stop
Depart: Tue Jun 6 2017 Return: Tue Jun 13 2017 Trip spans 8 days
Aeromexico
Aeromexico
LHR
LAS
20h 57m
1 stop
LAS
LHR
19h 16m
1 stop
Depart: Sun Sep 17 2017 Return: Wed Sep 27 2017 Trip spans 11 days
Turkish Airlines
Turkish Airlines
LHR
ATL
17h 55m
1 stop
ATL
LHR
17h 20m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

London
$370
Destination

New York
only $437
only $373
Seattle
$486
Atlanta
$656
Los Angeles
$449
Newark
$379
Las Vegas
$625
Miami
$457
Boston
$370