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

Return flights

28 Oct - 14 Nov	Avianca
27 Oct - 30 Nov	Iberia For Level
31 Oct - 05 Nov	LATAM Airlines Group
09 Oct - 17 Oct	Avianca
30 Oct - 14 Nov	Avianca
10 Oct - 29 Oct	LATAM Airlines Group
28 Oct - 02 Nov	Iberia
09 Oct - 16 Oct	LATAM Airlines Group
02 Oct - 18 Oct	Avianca
30 Oct - 17 Nov	Iberia
01 Oct - 21 Oct	Avianca
30 Oct - 03 Nov	Iberia For Level
04 Oct - 31 Oct	Avianca
02 Oct - 16 Oct	Avianca
30 Oct - 15 Nov	Avianca
20 Oct - 30 Oct	Avianca
20 Oct - 25 Oct	Avianca
15 Oct - 20 Oct	Avianca
31 Oct - 15 Nov	Avianca
05 Oct - 01 Nov	Avianca

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 787€

Return flights