Cheapest return flights from London to Santiago in December from $1348

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

10 Dec - 29 Dec KLM
10 Dec - 30 Dec KLM
10 Dec - 28 Dec KLM
06 Dec - 24 Dec KLM
06 Dec - 23 Dec KLM
07 Dec - 23 Dec KLM
11 Dec - 25 Dec KLM
03 Dec - 21 Dec KLM
11 Dec - 30 Dec KLM
05 Dec - 23 Dec KLM
08 Dec - 11 Jan Delta
03 Dec - 06 Jan KLM
27 Dec - 18 Jan KLM
13 Dec - 04 Jan KLM
17 Dec - 04 Jan KLM
11 Dec - 01 Jan KLM
13 Dec - 01 Jan KLM
20 Dec - 04 Jan KLM
13 Dec - 11 Jan KLM
24 Dec - 01 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