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

Return flights

02 Dec - 08 Dec	Arajet
02 Dec - 04 Dec	Sky Airline
07 Dec - 12 Dec	Arajet
09 Dec - 13 Dec	Sky Airline
09 Dec - 14 Dec	Sky Airline
23 Dec - 06 Jan	Arajet
16 Dec - 23 Jan	Arajet
18 Dec - 07 Jan	Sky Airline
09 Dec - 30 Dec	Sky Airline
02 Dec - 09 Dec	Copa
18 Dec - 09 Jan	Sky Airline
21 Dec - 09 Jan	Arajet
19 Dec - 07 Jan	Avianca
10 Dec - 06 Jan	Avianca
21 Dec - 12 Jan	Arajet
17 Dec - 27 Jan	Copa
21 Dec - 04 Jan	Avianca
20 Dec - 27 Dec	Sky Airline
19 Dec - 26 Dec	Avianca
21 Dec - 28 Dec	Avianca

Also check the deals for one-way flights from Cancun to Santiago 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 Cancun to Santiago in December from 356€

Return flights