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

Return flights

07 Aug - 14 Aug	Copa
13 Aug - 20 Aug	Avianca
14 Aug - 19 Aug	Avianca
25 Aug - 29 Aug	Avianca
26 Aug - 28 Aug	Avianca
19 Aug - 28 Aug	Copa
17 Aug - 22 Aug	Avianca
17 Aug - 29 Aug	Avianca
27 Aug - 29 Aug	Avianca
26 Aug - 29 Aug	Avianca
29 Aug - 05 Sep	Avianca
26 Aug - 05 Sep	Avianca
26 Aug - 02 Sep	Avianca
27 Aug - 03 Sep	Avianca
30 Aug - 03 Sep	Copa
31 Aug - 01 Sep	Copa
31 Aug - 06 Sep	Copa
01 Aug - 03 Sep	Copa
19 Aug - 19 Sep	Copa
22 Aug - 07 Sep	Avianca

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

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 August from 374€

Return flights