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

Return flights

07 Aug - 11 Aug	Arajet
12 Aug - 18 Aug	Arajet
11 Aug - 15 Aug	Avianca
19 Aug - 27 Aug	Avianca
22 Aug - 29 Aug	Avianca
12 Aug - 19 Aug	Avianca
20 Aug - 26 Aug	Avianca
22 Aug - 25 Aug	Avianca
29 Aug - 30 Sep	Avianca
21 Aug - 05 Sep	Avianca
26 Aug - 09 Sep	Avianca
07 Aug - 08 Sep	Avianca
26 Aug - 02 Sep	Avianca
24 Aug - 27 Aug	Avianca
29 Aug - 01 Sep	Avianca
28 Aug - 30 Sep	Avianca
30 Aug - 27 Sep	Avianca
23 Aug - 05 Sep	Avianca
30 Aug - 07 Sep	Avianca
10 Aug - 18 Aug	Arajet

Also check the deals for one-way flights from Mexico City to Sao Paulo 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 Mexico City to Sao Paulo in August from 378€

Return flights