How long is the flight from London Heathrow Airport to Los Angeles?

For as low as $486, United Airlines can have you in Los Angeles from London Heathrow Airport in 15h 35m. The distance from London Heathrow Airport to Los Angeles is about 5439 mi.

What are the cheapest airlines flying from London Heathrow Airport to Los Angeles round-trip?

Flying on Aer Lingus is currently your cheapest option to Los Angeles, with prices starting at $460. Additional round-trip tickets that might be worth considering are offered by Virgin Atlantic and Finnair, with the lowest prices starting at $501 and $510, respectively. Aer Lingus is 31% cheaper than the average price of flights available within the next 90 days to this destination.

How far ahead should I book a flight from London Heathrow Airport to Los Angeles?

The price you pay for your flight from London Heathrow Airport to Los Angeles may vary depending on when you book. For the best chance of a lower fare, look to book 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from London Heathrow Airport to Los Angeles?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Los Angeles (average of $246). Flying from London Heathrow Airport to Los Angeles in March is currently the most expensive (average of $325). 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 day to fly from London Heathrow Airport to Los Angeles?

Travelers seeking maximum savings on their London Heathrow Airport to Los Angeles flight should consider departing on Monday evenings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London Heathrow Airport to Los Angeles

The most flights from LHR to LAX are scheduled on a Wednesday (53 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (43 on average).

In terms of precipitation, rainfall in Los Angeles ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit Los Angeles when rainfall is around 0.0 in.

If weather is an important factor for your trip to Los Angeles, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

What are the cheapest flights from London Heathrow Airport to Los Angeles?

The cheapest flight price from London Heathrow Airport to Los Angeles is $562. On average you can expect to pay $4,864. The most popular route, (London Heathrow - Los Angeles), can usually be booked for $441.

What are the most reliable airlines from London Heathrow Airport to Los Angeles?

Before booking your flight to Los Angeles from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: Aeromexico (84%), KLM (83%), Air France( 83%).

What are the most popular airlines that fly from London Heathrow Airport to Los Angeles?

Before booking your flight from London Heathrow Airport to Los Angeles check out the most popular airlines for this route: American Airlines, Finnair or British Airways.

What is the cheapest day to fly round-trip from London Heathrow Airport to Los Angeles?

Leaving on a Wednesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 18% on the overall cost on flights from London Heathrow Airport to Los Angeles.

How far in advance should I book a flight from London Heathrow Airport to Los Angeles?

To save up to 38% on this flight, we recommend booking at least 56 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from London Heathrow Airport to Los Angeles from $576 1-2 weeks out and tickets from $903 for flights departing within the next 72 hours.

What is the cheapest month to fly from London Heathrow Airport to Los Angeles?

The best pricing can be found in the month of September. Prices to Los Angeles from London Heathrow Airport average $651. You can even find prices in September for less than $651, as users have found deals to Los Angeles from as low as $414. The month of December appears to be one of the more expensive times to travel to Los Angeles from London Heathrow Airport. Flying in the targeted month can save you up to 22%.

What is the cheapest time of day to fly from LHR to LAX?

Unlike in the morning, when flights are generally more expensive, you can save up to 7% on flights from London Heathrow Airport to Los Angeles by exploring options for tickets at noon.

What airport do you fly into for flights to Los Angeles from London Heathrow?

If you book a flight to Los Angeles from London Heathrow, you will be flying to Los Angeles, which is the city’s only airport. Los Angeles (LAX) is located 9.4 mi from the center of Los Angeles. There are 49 flights from London Heathrow to Los Angeles per day from 12 different airlines.

Can I find deals for flights from Heathrow to Los Angeles that include hotel bookings?

Yes. In addition to deals on Heathrow to Los Angeles flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Heathrow to Los Angeles?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Los Angeles.

Can I find deals for business class flights from Heathrow to Los Angeles?

Yes. Cheapflights offers flight deals from Heathrow to Los Angeles by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$325+ Cheap Flights from London Heathrow Airport to Los Angeles

Round-trip from	$480 (Orbitz)
One-way from	$325 (Thrive Travel)
Popular in	July
Cheapest in	September
Average price	$570
Good round-trip deal	$598 or less
Good one-way deal	$621 or less

United's Polaris Business Class offers lie-flat seats, Saks bedding, and exclusive lounge access.

United's Premium Plus offers extra legroom, upgraded meals, and two checked bags on international flights.

Airline	Cheapest	Average	Flexibility	On-time
Aer Lingus	Cheapest$460	Average$828	FlexibilityNo cancel fee	On-timeN/A
Virgin Atlantic	Cheapest$501	Average$759	FlexibilityNo cancel fee	On-time72%
Finnair	Cheapest$510	Average$816	FlexibilityNo cancel fee	On-time76%
Austrian Airlines	Cheapest$510	Average$880	FlexibilityNo cancel fee	On-time78%
Brussels Airlines	Cheapest$512	Average$711	FlexibilityNo cancel fee	On-timeN/A
Iberia	Cheapest$518	Average$726	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$524	Average$779	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$527	Average$697	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$528	Average$784	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$535	Average$718	FlexibilityNo cancel fee	On-time76%

$325+ Cheap flights from Heathrow (LHR) to Los Angeles (LAX)

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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.

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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 Thursday or Wednesday and return on a Wednesday

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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 September 5, 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 September 5, 2025.

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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.

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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?

What is the cheapest month to book a flight from London Heathrow Airport to Los Angeles?

What is the cheapest time of day to fly from LHR to LAX?

Weekly flight availability from London Heathrow Airport to Los Angeles

Reviews of airlines servicing Los Angeles

Read through reviews of airlines operating flights from London Heathrow Airport to Los Angeles, such as Delta, United Airlines, and Virgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Los Angeles. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Los Angeles from London Heathrow?

How long is the flight from London Heathrow Airport to Los Angeles?

What are the cheapest airlines flying from London Heathrow Airport to Los Angeles round-trip?

What are the most reliable airlines from London Heathrow Airport to Los Angeles?

What are the cheapest flights from London Heathrow Airport to Los Angeles?

Can I find deals for flights from Heathrow to Los Angeles that include hotel bookings?

How can I find direct flights from Heathrow to Los Angeles?

Can I find deals for business class flights from Heathrow to Los Angeles?

What is the cheapest month to book a flight from London Heathrow Airport to Los Angeles?

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Cheapest flights from Heathrow to Los Angeles
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 September 5, 2025.