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

Return flights

17 Oct - 24 Oct	Avianca
01 Oct - 07 Oct	Avianca
07 Oct - 18 Oct	Avianca
08 Oct - 18 Oct	Avianca
10 Oct - 18 Oct	Avianca
13 Oct - 19 Oct	Avianca
13 Oct - 24 Oct	Avianca
19 Oct - 26 Oct	Avianca
21 Oct - 29 Oct	Avianca
24 Oct - 28 Oct	Avianca
31 Oct - 10 Nov	Avianca
31 Oct - 11 Nov	Avianca
28 Oct - 07 Nov	LATAM Airlines Group
26 Oct - 01 Nov	LATAM Airlines Group
20 Oct - 18 Nov	Copa
29 Oct - 07 Nov	Avianca
28 Oct - 09 Nov	Avianca
27 Oct - 07 Nov	Avianca
27 Oct - 05 Nov	Avianca
27 Oct - 04 Nov	Avianca

Also check the deals for one-way flights from Santiago to Cancun 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 Cancun in October from 372€

Return flights