Cheap flights from Los Angeles to London from C$ 456

The month of September is, on average, the cheapest month to fly to London Heathrow Airport from Los Angeles, with most prices found around C$ 872. If you aren’t able to travel to London Heathrow Airport during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of C$ 888.

According to our data, Friday is the cheapest day to fly to London Heathrow Airport from Los Angeles. The lowest ticket price found for a Friday departure recently was C$ 908. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. 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 London Heathrow Airport for around C$ 1,122.

Our data shows that the cheapest Los Angeles to London Heathrow Airport flights are usually those with departure times at noon. Our users have found flights to London Heathrow Airport at noon for as low as C$ 774. In the evening is when there is more demand to fly to London Heathrow Airport, so prices are often more expensive at around C$ 1,032 per ticket.

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

You are more likely to see cheaper flights to London Heathrow Airport from Los Angeles when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around C$ 1,046 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Los Angeles for as low as C$ 970 on momondo.

There are 3 cabin classes available to choose from on Los Angeles Los Angeles to London Heathrow 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 26% on your flight if you consider stops on a Los Angeles to London Heathrow Airport flight.

As of March 2026, prices for Los Angeles to London Heathrow Airport flights are approximately 40% more expensive when compared to flights at the same time last year.

Historically, on average around 11% 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 160 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 has had the least delays on this route over the last 12 months, with about 7% of their flights experiencing any sort of delay.

The number of flights available between Los Angeles and London Heathrow Airport is 51 per day as of March 2026. The most frequent departure time is 7:00p.m., with 64% of daily flights leaving in the evening.

As of March 2026, there are 357 flights per week flying from Los Angeles to London Heathrow Airport. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.