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

Return flights

02 Dec - 09 Dec	Sky Airline
06 Dec - 09 Dec	Aeromexico
22 Dec - 30 Dec	Sky Airline
12 Dec - 23 Dec	Sky Airline
05 Dec - 07 Dec	Arajet
04 Dec - 12 Dec	LATAM Airlines Group
04 Dec - 11 Dec	LATAM Airlines Group
05 Dec - 12 Dec	LATAM Airlines Group
17 Dec - 02 Jan	Sky Airline
22 Dec - 02 Jan	Sky Airline
12 Dec - 19 Dec	LATAM Airlines Group
22 Dec - 28 Dec	Arajet
09 Dec - 30 Jan	Sky Airline
26 Dec - 04 Jan	Arajet
28 Dec - 13 Jan	Copa
26 Dec - 04 Jan	LATAM Airlines Group	direct

Also check the deals for one-way flights from Santiago to Cancun in December.

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 December from $407

Return flights