Cheap flights from Los Angeles to London from $494

If you aren’t able to travel during the month of February, then book flights to London from Los Angeles during March instead. Flights to London in March, while not as cheap as those in February, still average around $1,081.

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as $1,143. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Los Angeles to London for around $1,658.

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as $1,311. In contrast, the most expensive time of day to depart to London is in the afternoon when prices are around $1,656.

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

You are more likely to see cheaper flights to London from Los Angeles when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $1,377 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Los Angeles for as low as $1,256 on momondo.

There are 3 cabin classes available to choose from on Los Angeles to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Los Angeles to London.

As of September 2026, prices for Los Angeles to London flights are approximately 4% 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 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 7% of their flights experiencing any sort of delay.

55 flights are operational daily from Los Angeles to London as of September 2026. The most popular departure time for this route is 15:00, with 55% of flights per day taking off in the afternoon.

As of September 2026, 385 flights take off from Los Angeles and land in London each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.