Cheap flights from London to Los Angeles from €403

The cheapest month to fly to Los Angeles from London is in February. Flight prices, which tend to average around €497, are often lower during this time because this is during the off-season. If you are unable to visit Los Angeles during the month of February, then departing from London during the month September is also very affordable. Most momondo users find prices during this month for around €527.

The cheapest day to depart on your flight to Los Angeles is on a Wednesday when prices can be found for as low as €535. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London to Los Angeles for around €1,193.

Flying to Los Angeles from London in the morning is the least expensive time of day to depart. momondo users have found prices as low as €535 when looking at flights departing in the morning. In contrast, the most expensive time of day to depart to Los Angeles is in the afternoon when prices are around €874.

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

You are more likely to see cheaper flights to Los Angeles from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Los Angeles for around €587 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Los Angeles from London for as low as €539 on momondo.

There are 2 cabin classes available to choose from on London to Los Angeles flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 60% on your flight if you consider stops on a London to Los Angeles flight.

As of September 2026, prices for London to Los Angeles flights are approximately 49% more expensive when compared to flights at the same time last year.

Historically, on average around 12% of flights between London and Los Angeles have experienced a delay on any given week. The average delay length over the past 12 months has been 148 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. Saturday 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.

As of September 2026, 50 flights take off from London and land in Los Angeles each day. The most common flight departure time for this route is 08:00, with 50% of daily flights taking off at midday.

As of September 2026, there are 352 flights per week flying from London to Los Angeles. The most common day of the week flights depart is Thu, with 16% of flights taking off on this day.