Cheap flights from Los Angeles to the United Kingdom from £155

The cheapest month to fly to United Kingdom from Los Angeles is in September. Flight prices, which tend to average around £433, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of September, then departing from Los Angeles during the month October is also very affordable. Most momondo users find prices during this month for around £437.

The cheapest day to depart from Los Angeles to United Kingdom is on a Wednesday. Travellers who choose to depart for United Kingdom on a Wednesday will often find tickets for as low as £493. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Los Angeles to United Kingdom for around £585.

The cheapest time of day to fly to United Kingdom is in the afternoon when flights can be purchased for as low as £502. Try not to purchase tickets at midday because they tend to be around £632. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to United Kingdom from Los Angeles when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £562 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Los Angeles for as low as £519 on momondo.

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

British Airways, American Airlines, and Lufthansa are the most popular carriers operating from Los Angeles to United Kingdom

Virgin Atlantic, British Airways and Aer Lingus are the top three most popular airlines that fly to United Kingdom from Los Angeles according to our data. Virgin Atlantic is the first choice among our users, with 43% of people opting to fly with this airline when travelling to United Kingdom. Keep in mind that there are 13 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

Historically, on average around 10% of flights between Los Angeles and United Kingdom have experienced a delay on any given week. The average delay length over the past 12 months has been 162 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.

Thursday 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.

As of February 2026, 47 flights take off from Los Angeles and land in United Kingdom each day. The most common flight departure time for this route is 19:00, with 74% of daily flights taking off in the evening.

The number of flights available between Los Angeles and United Kingdom is 329 per week as of February 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.