Cheap flights from London to Los Angeles from $505

The month of February is, on average, the cheapest month to fly to Los Angeles from London, with most prices found around $564. If you aren’t able to travel during the month of February, then book flights to Los Angeles from London during September instead. Flights to Los Angeles in September, while not as cheap as those in February, still average around $566.

Our data shows that Thursday is the least expensive day to fly to Los Angeles. Tickets to fly out on this day can be as low as $694. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Los Angeles on Sunday is $760.

Our most recent data shows that the best time of day to fly to Los Angeles is at noon. Flights from London to Los Angeles during this time can be as low as $713. In the afternoon is when there is more demand to fly to Los Angeles, so prices are often more expensive at around $727 per ticket.

Fly from London Heathrow to Los Angeles for the best London - 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 $672 when searching weeks out. 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 $605 on momondo.

There are 4 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.

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

As of August 2026, prices for London to Los Angeles flights are approximately 13% more expensive when compared to flights at the same time last year.

SWISS, Lufthansa, and Austrian Airlines are the most popular carriers operating from London to Los Angeles

British Airways, Virgin Atlantic and American Airlines are the top three most popular airlines that fly to Los Angeles from London according to our data. British Airways is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Los Angeles. Keep in mind that there are 12 different airlines that fly to Los Angeles on a routine basis, so you have a few additional options to choose from.

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 146 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Virgin Atlantic have had the least number of delays on this route over the last 12 months; with about 7% of their flights experiencing any sort of delay.

Dublin (DUB) was the most common stop: 24% of momondo users choosing 1-stop flights on this route connected there.

Flights via Chicago (ORD) offer the lowest average round-trip price of $523.

Flights connecting via Seattle (SEA) have the shortest average one-way travel time: 14h 06m.

Copenhagen (CPH) has the shortest average layover time for this route: 1h 13m.

The number of flights available between London and Los Angeles is 51 per day as of August 2026. The most frequent departure time is 4:00PM, with 49% of daily flights leaving at noon.

As of August 2026, 357 flights take off from London and land in Los Angeles each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.