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

Return flights

06 Oct - 20 Oct	GOL Linhas Aéreas
12 Oct - 30 Oct	GOL Linhas Aéreas
06 Oct - 13 Oct	Copa
17 Oct - 22 Oct	Copa
21 Oct - 04 Nov	Copa
28 Oct - 04 Nov	Copa
31 Oct - 03 Nov	Copa
28 Oct - 08 Nov	Copa
02 Oct - 09 Oct	Copa
30 Oct - 08 Nov	Copa
30 Oct - 03 Nov	Copa
17 Oct - 30 Oct	GOL Linhas Aéreas
14 Oct - 30 Oct	GOL Linhas Aéreas
17 Oct - 27 Oct	GOL Linhas Aéreas
24 Oct - 07 Nov	Copa
24 Oct - 06 Nov	Copa
11 Oct - 18 Oct	Copa
25 Oct - 08 Nov	Copa
25 Oct - 07 Nov	Copa
13 Oct - 20 Oct	Avianca

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 $481

Return flights