If you're looking to fly from London Heathrow to Santiago Chile, you might like to know that 19 / Jan / 2026 currently has the cheapest flights. At the moment, there are eight airlines flying to Santiago Chile. Go through the results to find the right flights for you – you can adjust the filters to see find even more flights to Santiago Chile.
There are 431 flights from London Heathrow to or via Santiago Chile every week. Out of the eight available airlines, the most popular ones are LATAM, KLM & Air France. But that doesn’t necessarily mean they’ll be the best option for your travel dates. To see as many flights as possible, try widening your search to include other departure airports.
Your flight from London Heathrow to Santiago Chile will take at least 15 hrs 40 mins. On average, it takes 20 hrs to fly the 11663 km distance. Take a look at flight times to see which one works best for you.
If you want to travel in December, it's best to book your flights early, as this is peak season in Santiago Chile. The cheapest month to fly is normally July – try searching three to four months prior to then to get a bargain. You can also search by month, which will reveal the cheapest time of the week to fly.
