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

Return flights

06 Dec - 13 Dec	Sky Airline
07 Dec - 14 Dec	Arajet
06 Dec - 14 Dec	Sky Airline
14 Dec - 19 Dec	Arajet
08 Dec - 23 Dec	Avianca
17 Dec - 23 Dec	LATAM Airlines Group
10 Dec - 17 Dec	Avianca
12 Dec - 19 Dec	Avianca
24 Dec - 31 Dec	Avianca
27 Dec - 03 Jan	Sky Airline
27 Dec - 02 Jan	Sky Airline
25 Dec - 04 Jan	Sky Airline
19 Dec - 28 Dec	LATAM Airlines Group
28 Dec - 04 Jan	Arajet
26 Dec - 02 Jan	Avianca
19 Dec - 09 Jan	LATAM Airlines Group
24 Dec - 04 Jan	Avianca
18 Dec - 07 Jan	Sky Airline

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 357€

Return flights