Cheapest return flights from London to Santiago in December from $1338

Best time to book flights for London (LCY) to Santiago (SCL) flights at AirHint

AirHint found the following cheapest return flights from London (LCY) to Santiago (SCL) in December 2025 (see full year).

Return flights

13 Dec - 30 Dec KLM
04 Dec - 30 Dec KLM
01 Dec - 30 Dec KLM
19 Dec - 31 Dec KLM
01 Dec - 15 Dec KLM
04 Dec - 11 Dec KLM
11 Dec - 18 Dec KLM
16 Dec - 06 Jan KLM
01 Dec - 31 Jan KLM
04 Dec - 08 Jan Delta
04 Dec - 13 Jan KLM
20 Dec - 04 Jan KLM
19 Dec - 04 Jan KLM
20 Dec - 17 Jan KLM
18 Dec - 15 Jan KLM
29 Dec - 18 Jan KLM
27 Dec - 17 Jan KLM

Also check the deals for one-way flights from London to Santiago in December.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Santiago

Cheap car rent in Santiago