AirHint found the following cheapest return flights from Sao Paulo (CGH) to Mexico City (MEX) in December 2025 (see full year).

Return flights

31 Dec - 11 Jan	LATAM Airlines Group
28 Dec - 13 Jan	Azul Airlines
31 Dec - 07 Jan	LATAM Airlines Group
31 Dec - 10 Jan	GOL Linhas Aéreas
12 Dec - 19 Dec	Avianca
23 Dec - 31 Dec	GOL Linhas Aéreas
24 Dec - 02 Jan	Avianca
26 Dec - 04 Jan	Avianca
25 Dec - 04 Jan	Avianca
28 Dec - 04 Jan	Avianca
09 Dec - 12 Dec	LATAM Airlines Group
26 Dec - 02 Jan	Avianca
30 Dec - 04 Jan	Avianca
25 Dec - 28 Dec	LATAM Airlines Group
14 Dec - 23 Dec	LATAM Airlines Group

Also check the deals for one-way flights from Sao Paulo to Mexico City 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 Sao Paulo to Mexico City in December from $1179

Return flights