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

Return flights

07 Oct - 04 Nov	LATAM Airlines Group
01 Oct - 15 Oct	Avianca
01 Oct - 19 Oct	Avianca
01 Oct - 23 Oct	Avianca
18 Oct - 25 Oct	LATAM Airlines Group
09 Oct - 25 Oct	Air Canada
14 Oct - 29 Oct	LATAM Airlines Group
14 Oct - 28 Oct	LATAM Airlines Group
05 Oct - 12 Oct	LATAM Airlines Group
14 Oct - 29 Oct	British Airways	direct
03 Oct - 13 Oct	Air France
31 Oct - 15 Nov	Avianca
30 Oct - 15 Nov	Avianca
10 Oct - 02 Nov	Turkish Airlines

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 $976

Return flights