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

Return flights

24 Dec - 31 Dec	Copa
24 Dec - 09 Jan	Copa
24 Dec - 06 Jan	Copa
24 Dec - 01 Jan	Copa
24 Dec - 28 Dec	Copa
23 Dec - 30 Dec	Aeromexico	direct
22 Dec - 01 Jan	Copa
22 Dec - 30 Dec	Copa
26 Dec - 31 Dec	Aeromexico	direct
22 Dec - 02 Jan	Copa
22 Dec - 30 Dec	Aeromexico	direct
20 Dec - 10 Jan	Copa
20 Dec - 02 Jan	Copa
20 Dec - 13 Jan	Copa
27 Dec - 14 Jan	Copa
28 Dec - 13 Jan	Copa
26 Dec - 29 Dec	Aeromexico	direct
25 Dec - 28 Dec	Copa
22 Dec - 28 Dec	LATAM Airlines Group	direct
25 Dec - 28 Dec	Aeromexico	direct

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 431€

Return flights