Cheap flights from London Heathrow Airport to Chile from £338

The cheapest month to fly to Chile from London Heathrow Airport is in September. Flight prices, which tend to average around £819, are often lower during this time because this is during the off-season. The month of November is another great option to travel to Chile, with average flight prices from London Heathrow Airport averaging around £865.

The cheapest day to depart on your flight to Chile is on a Monday when prices can be found for as low as £906. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Chile is Saturday, with ticket prices averaging around £1,018.

Fly from London Heathrow to Santiago Arturo Merino Benitez for the best London Heathrow - Chile flight prices

You are more likely to see cheaper flights to Chile from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Chile for around £959 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chile from London Heathrow Airport for as low as £853 on momondo.

There are 3 cabin classes available to choose from on London Heathrow to Chile 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 10% on your flight if you consider stops on a London Heathrow Airport to Chile flight.

LATAM Airlines is the most popular carrier operating from London Heathrow to Chile

British Airways, LATAM Airlines and Air Canada are the top three most popular airlines that fly to Chile from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 41% of people opting to fly with this airline when travelling to Chile. Keep in mind that there are 7 different airlines that fly to Chile on a routine basis, so you have a few additional options to choose from.

Historically, on average around 6% of flights between London and Chile have experienced a delay on any given week. The average delay length over the past 12 months has been 96 minutes.

Generally, flights departing at night 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. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 6% of their flights experiencing any sort of delay.

The number of flights available between London Heathrow Airport and Chile is 1 per day as of February 2026. The most frequent departure time is 22:00, with 100% of daily flights leaving in the evening.

The number of flights available between London Heathrow Airport and Chile is 12 per week as of February 2026. The most frequent departure day is Mon, with 25% of weekly flights leaving on this day.