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

Return flights

24 Dec - 30 Dec	Aeromexico
19 Dec - 28 Dec	Copa
19 Dec - 26 Dec	Copa
19 Dec - 27 Dec	Copa
24 Dec - 01 Jan	Aeromexico
21 Dec - 28 Dec	Aeromexico
22 Dec - 06 Jan	Aeromexico
19 Dec - 09 Jan	Copa
24 Dec - 04 Jan	Aeromexico
22 Dec - 29 Dec	Aeromexico
23 Dec - 26 Jan	Aeromexico
21 Dec - 29 Dec	Aeromexico
23 Dec - 02 Jan	Aeromexico
22 Dec - 02 Jan	Aeromexico
25 Dec - 30 Dec	Copa
25 Dec - 29 Dec	Copa
18 Dec - 25 Dec	Copa
25 Dec - 03 Jan	Copa
23 Dec - 03 Jan	Copa
25 Dec - 01 Jan	Copa

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 417€

Return flights