£242 Find Cheap Flights from Santiago to London Heathrow Airport – Compare and Save

For Santiago to London Heathrow Airport, Sunday is the cheapest day to fly on average and Tuesday is the most expensive. Flying from London Heathrow Airport back to Santiago, the best deals are generally found on Friday, with Saturday being the most expensive.

The cheapest month for flights from Santiago to London Heathrow Airport is March, where tickets cost £711 (return) on average. On the other hand, the most expensive months are July and September, where the average cost of round-trip tickets is £1,158 and £1,034 respectively.

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 2 stops stopover the cheapest option at £789 on average.

To get a below average price on the flight from Santiago to London Heathrow Airport, you should book around 3 weeks before departure, which saves you about 14% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 11 weeks before departure.

In the past 5 days, the cheapest return tickets from Santiago to London Heathrow Airport were found on Air Canada (£673) and LATAM Airlines (£721).

There is just one airline that flies from Santiago to London Heathrow Airport direct and that is British Airways. The best return deal found from British Airways for the route is £856.

Weekly flights between Santiago and London historically see delays in approximately 7% of cases, with the average delay over the past year being 209 minutes.

Typically, flights leaving in the early afternoon tend to face fewer delays, whereas flights in the early afternoon have historically encountered delays more often.

Statistically, Tuesday is the day of the week with the fewest delays on this flight route, while Friday has typically experienced more delays than other days.

Based on our data, British Airways have experienced the fewest delays on this route in the past 12 months, with only about 7% of their flights encountering any delays.

Paris (CDG) is the top choice – 40% of KAYAK users who clicked on one-stop flights from Santiago to London Heathrow Airport picked an itinerary connecting there.

Flights via Toronto (YYZ) offer the most affordable fares, with an average price of £689 for a return.

Consider flying via Madrid (MAD) for the shortest journey. The average one-way travel time for flights connecting there is 17h 44m.

If you prefer a quick connection, Paris (CDG) often has the shortest stopovers from Santiago to London Heathrow Airport, with an average time of 2h 10m.