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

Return flights

21 Oct - 03 Nov	Iberia
21 Oct - 30 Oct	Avianca
20 Oct - 29 Oct	Iberia
16 Oct - 27 Nov	Iberia
04 Oct - 20 Oct	Iberia
16 Oct - 23 Oct	Avianca
01 Oct - 21 Oct	Avianca
12 Oct - 30 Oct	Avianca
03 Oct - 20 Oct	Iberia
30 Oct - 13 Nov	British Airways
16 Oct - 30 Oct	Avianca
12 Oct - 27 Oct	Avianca
14 Oct - 28 Oct	British Airways

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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Santiago to London in October from $985

Return flights