Cheap flights from the United Kingdom to Santiago from £428

In general, September 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 £905. If you aren’t able to travel to Santiago during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of £915.

The cheapest day to depart from United Kingdom to Santiago is on a Friday when prices can be found for as low as £960. 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 £1,171.

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 £1,026 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 £930 on momondo.

There are 4 cabin classes available to choose from on United Kingdom to Santiago 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 35% on your flight if you consider stops on a United Kingdom to Santiago flight.

Aeromexico, Air France, and United Airlines are the most popular carriers operating from United Kingdom to Santiago Arturo Merino Benitez

British Airways, Iberia and LATAM Airlines 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 38% of people opting to fly with this airline when travelling to Santiago. Keep in mind that there are 7 different airlines that fly to Santiago on a routine basis, so you have a few additional options to choose from.

Historically, on average around 12% 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 79 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.

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday 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 12% of their flights experiencing any sort of delay.

1 flights are operational weekly from United Kingdom to Santiago as of October 2026. The most popular departure day for this route is Sat, with 100% of flights per week taking off on this day.

On average, it takes 16h 53m to fly from United Kingdom to Santiago if you fly out of London (the most popular airport in United Kingdom) and into Santiago (the most popular airport in Santiago). If you’re flying out of Manchester and into Santiago, then the flight time is around 19h.