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

Return flights

06 Dec - 16 Dec	Avianca
02 Dec - 11 Dec	Avianca
02 Dec - 09 Dec	Avianca
05 Dec - 13 Dec	Avianca
07 Dec - 14 Dec	Avianca
03 Dec - 09 Dec	Avianca
01 Dec - 10 Dec	Avianca
04 Dec - 09 Dec	Avianca
03 Dec - 10 Dec	Avianca
05 Dec - 12 Dec	Avianca
22 Dec - 01 Jan	Sky Airline
16 Dec - 05 Jan	Sky Airline
29 Dec - 05 Jan	Aeromexico
28 Dec - 18 Jan	Aeromexico
22 Dec - 02 Jan	Aeromexico
29 Dec - 19 Jan	Aeromexico
23 Dec - 02 Jan	Aeromexico
30 Dec - 11 Jan	Aeromexico
21 Dec - 21 Jan	Aeromexico
29 Dec - 07 Jan	Aeromexico

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 384€

Return flights