AirHint found the following cheapest return flights from Sao Paulo (GRU) to Mexico City (MEX) in October 2026 (see full year).

Return flights

07 Oct - 14 Oct	Copa
01 Oct - 15 Oct	Copa
01 Oct - 13 Oct	Copa
06 Oct - 18 Oct	Copa
03 Oct - 11 Oct	Copa
15 Oct - 30 Oct	Copa
15 Oct - 31 Oct	Copa
08 Oct - 09 Oct	Copa
20 Oct - 28 Oct	Arajet
20 Oct - 29 Oct	Arajet
17 Oct - 04 Nov	Copa
26 Oct - 06 Nov	GOL Linhas Aéreas
23 Oct - 06 Nov	GOL Linhas Aéreas
27 Oct - 06 Nov	GOL Linhas Aéreas
29 Oct - 02 Nov	GOL Linhas Aéreas
27 Oct - 07 Nov	GOL Linhas Aéreas
28 Oct - 07 Nov	GOL Linhas Aéreas
23 Oct - 03 Nov	Arajet
25 Oct - 07 Nov	GOL Linhas Aéreas
28 Oct - 03 Nov	GOL Linhas Aéreas

Also check the deals for one-way flights from Sao Paulo to Mexico City in October.

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 October from $507

Return flights