Cheap flights from Chile to London from £351

In general, June is the cheapest month to fly from Chile to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £455. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from Chile averaging around £480.

On average, the least expensive day to fly to London Heathrow Airport from Chile is on a Monday. momondo users have found tickets for Monday departures for as low as £868. However, this price may fluctuate depending on the airline, the season, and holidays. 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 London Heathrow Airport on Sunday is £1,109.

According to our data, the cheapest time of day to fly to London Heathrow Airport is at midday. momondo users have found flights departing from Chile to London Heathrow Airport at midday for as low as £882. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £1,112 on average. Flights to London Heathrow Airport from Chile in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to London Heathrow Airport from Chile when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £897 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Chile for as low as £786 on momondo.

There are 3 cabin classes available to choose from on Chile to London Heathrow Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

LATAM Airlines, Avianca, and British Airways are the most popular carriers operating from Chile to London Heathrow

British Airways, LATAM Airlines and Iberia are the top three most popular airlines that fly to London Heathrow Airport from Chile according to our data. British Airways is the first choice among our users, with 56% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 3 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 9% of flights between Chile and London have experienced a delay on any given week. The average delay length over the past 12 months has been 102 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Sunday is statistically the day of the week that experiences the fewest delays on this flight route. Tuesday 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 9% of their flights experiencing any sort of delay.

The number of flights available between Chile and London Heathrow Airport is 1 per day as of July 2026. The most frequent departure time is 15:00, with 100% of daily flights leaving in the afternoon.

As of July 2026, 9 flights take off from Chile and land in London Heathrow Airport each week. The most common flight departure day for this route is Tue, with 33% of weekly flights taking off on this day.