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

Return flights

09 Oct - 25 Oct	Avianca
30 Oct - 12 Nov	LATAM Airlines Group
20 Oct - 02 Nov	Avianca
16 Oct - 04 Nov	Avianca
12 Oct - 26 Oct	Avianca
01 Oct - 21 Oct	Avianca
23 Oct - 26 Oct	Avianca
12 Oct - 15 Oct	Avianca
19 Oct - 26 Oct	Avianca
17 Oct - 05 Nov	LATAM Airlines Group
02 Oct - 13 Oct	Avianca
30 Oct - 06 Nov	LATAM Airlines Group
03 Oct - 13 Oct	Avianca
05 Oct - 12 Oct	Avianca
07 Oct - 09 Oct	Avianca
30 Oct - 15 Nov	LATAM Airlines Group
21 Oct - 03 Nov	LATAM Airlines Group
31 Oct - 11 Nov	LATAM Airlines Group
31 Oct - 15 Nov	LATAM Airlines Group
18 Oct - 01 Nov	KLM

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

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.

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Cheapest return flights from Santiago to London in October from $890

Return flights