Cheap flights from London Heathrow Airport to Los Angeles from $636
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from London Heathrow to Los Angeles are usually found in September or February, booked 56 days in advance, depart on a Monday or Sunday and return on a Saturday
Find flight deals from Heathrow to Los Angeles
Cheapest flights from Heathrow to Los AngelesExplore the most affordable flight options available from Heathrow to Los Angeles. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.
Explore the most affordable flight options available from Heathrow to Los Angeles. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.
Cheap flight deals from Heathrow to Los Angeles
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Los Angeles (LAX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 24 October 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from London Heathrow Airport to Los Angeles that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Wed 24/12
08:55-18:45
1 stop17h 50m
Los Angeles
Wed 31/12
22:30-16:50
Nonstop10h 20m
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Mon 2/3
07:05-17:00
2 stops17h 55m
Los Angeles
Thu 12/3
20:30-18:30
1 stop15h 00m
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Tue 11/11
09:00-16:35
1 stop15h 35m
Los Angeles
Tue 17/2
19:00-13:30
Nonstop10h 30m
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Tue 23/12
10:45-16:35
1 stop13h 50m
Los Angeles
Tue 30/12
14:30-11:40
1 stop13h 10m
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sat 4/4
10:55-19:24
1 stop16h 29m
Los Angeles
Wed 15/4
13:00-11:10
1 stop14h 10m
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sat 4/4
10:55-18:17
1 stop15h 22m
Los Angeles
Mon 20/4
16:05-10:30
Nonstop10h 25m
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Wed 24/12
09:00-18:45
1 stop17h 45m
Los Angeles
Wed 7/1
09:00-07:05
1 stop14h 05m
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sat 4/4
15:15-23:40
1 stop16h 25m
Los Angeles
Tue 14/4
16:05-10:30
Nonstop10h 25m
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Sat 4/4
15:15-23:40
1 stop16h 25m
Los Angeles
Mon 13/4
16:05-10:30
Nonstop10h 25m
LondonLos Angeles
LHR - LAX
LHRLAX
London Heathrow
Tue 18/11
15:20-18:45
Nonstop11h 25m
Los Angeles
Tue 2/12
19:00-13:30
Nonstop10h 30m
Best time to book a flight from Heathrow to Los Angeles
Have a flexible travel schedule? Discover the best time to fly to Los Angeles from Heathrow with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from London Heathrow Airport to Los Angeles
How far ahead should I book a flight from London Heathrow Airport to Los Angeles?
Booking 56 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Los Angeles. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from London Heathrow Airport to Los Angeles?
Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Los Angeles (average of $721). Flying from London Heathrow Airport to Los Angeles in July is currently the most expensive (average of $862). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from LHR to LAX?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Los Angeles as you normally would.
How often are flights from London to Los Angeles delayed?
About 13% of weekly flights between London and Los Angeles have experienced delays in the past year, with the average delay time being 144 minutes.
What is the most punctual flight time for London to Los Angeles flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on London to Los Angeles flights?
Over the past year, SriLankan Airlines have had the lowest number of delays on this route, with just 7% of flights being delayed.
Related info for your journey
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How does Cheapflights help users find flights from Heathrow to Los Angeles?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Los Angeles from Heathrow today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Los Angeles?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Los Angeles from Heathrow.
Can Cheapflights find flights from Heathrow to Los Angeles with no change fees?
Yes! Cheapflights helps users easily find flights from Heathrow to Los Angeles with no change fees.
Can Cheapflights notify me if prices for flights from Heathrow to Los Angeles become cheaper?
Yes, Cheapflights offers price alerts on Heathrow to Los Angeles flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.