Cheap flights from Los Angeles to London from $510

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Los Angeles, with most prices found around $919. If you aren’t able to travel during the month of October, then book flights to London Heathrow Airport from Los Angeles during February instead. Flights to London Heathrow Airport in February, while not as cheap as those in October, still average around $919.

Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $760. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Los Angeles to London Heathrow Airport for around $1,281.

In the evening is the cheapest time of day to fly from Los Angeles to London Heathrow Airport when you can find flight prices for as low as $1,026. Flying to London Heathrow Airport in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to London Heathrow Airport is in the afternoon when prices are around $1,037.

Fly from Los Angeles Los Angeles to London Heathrow for the best Los Angeles 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 $1,143 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 $1,031 on momondo.

You could potentially save up to 6% on your flight if you consider stops on a Los Angeles to London Heathrow Airport flight.

As of May 2026, prices for Los Angeles to London Heathrow Airport flights are approximately 23% more expensive when compared to flights at the same time last year.

Historically, on average around 10% 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 178 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.

Tuesday 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, Virgin Atlantic have had the fewest delays on this route over the last 12 months, with about 7% of their flights experiencing any sort of delay.

54 flights are operational daily from Los Angeles to London Heathrow Airport as of May 2026. The most popular departure time for this route is 20:00, with 57% of flights per day taking off in the evening.

As of May 2026, 378 flights take off from Los Angeles and land in London Heathrow Airport each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.