Cheap flights from the United Kingdom to Santiago from £285

In general, June is the cheapest month to fly from United Kingdom to Santiago. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £837. If you aren’t able to travel to Santiago during the month of June, then flying in September is also cheap. Prices for this month can be found on momondo for an average of £851.

The cheapest day to depart from United Kingdom to Santiago is on a Wednesday when prices can be found for as low as £932. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Santiago on Saturday is £1,078.

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

You are more likely to see cheaper flights to Santiago from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Santiago for around £982 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Santiago from United Kingdom for as low as £873 on momondo.

There are 3 cabin classes available to choose from on United Kingdom to Santiago Arturo Merino Benitez 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 15% on your flight if you consider stops on a United Kingdom to Santiago flight.

Avianca, LEVEL, and United Airlines are the most popular carriers operating from United Kingdom to Santiago Arturo Merino Benitez

British Airways, LATAM Airlines and Air France are the top three most popular airlines that fly to Santiago from United Kingdom according to our data. British Airways is the first choice among our users, with 42% of people opting to fly with this airline when travelling to Santiago. Keep in mind that there are 9 different airlines that fly to Santiago on a routine basis, so you have a few additional options to choose from.

Historically, on average around 5% of flights between United Kingdom and Santiago have experienced a delay on any given week. The average delay length over the past 12 months has been 98 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.

Wednesday 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 5% of their flights experiencing any sort of delay.

As of March 2026, 1 flights take off from United Kingdom and land in Santiago each day. The most common flight departure time for this route is 22:00, with 100% of daily flights taking off in the evening.

12 flights are operational weekly from United Kingdom to Santiago as of March 2026. The most popular departure day for this route is Mon, with 25% of flights per week taking off on this day.