Cheap flights from Los Angeles to London from £267

In general, February is the cheapest month to fly from Los Angeles to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £528. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Los Angeles averaging around £591.

On average, the least expensive day to fly to London Heathrow Airport from Los Angeles is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £724. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Friday is £988.

According to our data, the cheapest time of day to fly to London Heathrow Airport is at midday. momondo users have found flights departing from Los Angeles to London Heathrow Airport at midday for as low as £644. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £852 on average. Flights to London Heathrow Airport from Los Angeles in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Los Angeles to London Heathrow for the best Los Angeles - London Heathrow flight prices

You are more likely to see cheaper flights to London Heathrow Airport from Los Angeles when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £739 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Los Angeles for as low as £643 on momondo.

There are 4 cabin classes available to choose from on Los Angeles to London Heathrow Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

KLM, United Airlines, and TAP AIR PORTUGAL are the most popular carriers operating from Los Angeles to London Heathrow

Virgin Atlantic, British Airways and American Airlines are the top three most popular airlines that fly to London Heathrow Airport from Los Angeles according to our data. Virgin Atlantic is the first choice among our users, with 44% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 11 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 9% of flights between Los Angeles and London have experienced a delay on any given week. The average delay length over the past 12 months has been 184 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 6% of their flights experiencing any sort of delay.

As of October 2026, there are 37 flights per day flying from Los Angeles to London Heathrow Airport. The most common time of day flights depart is 15:00, with 58% of flights taking off in the afternoon.

264 flights are operational weekly from Los Angeles to London Heathrow Airport as of October 2026. The most popular departure day for this route is Mon, with 22% of flights per week taking off on this day.