Cheap flights from Los Angeles to London from $515

If you aren’t able to travel during the month of September, then book flights to London from Los Angeles during August instead. Flights to London in August, while not as cheap as those in September, still average around $935.

Our data shows that Tuesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as $767. 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 for around $1,087.

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as $959. In contrast, the most expensive time of day to depart to London is in the evening when prices are around $1,037.

Fly from Los Angeles Los Angeles to London Gatwick for the best Los Angeles 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 $1,154 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 $1,041 on momondo.

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

As of May 2026, prices for Los Angeles to London flights are approximately 61% 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 177 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. Friday 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 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 each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.