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 - 18 Aug	Arajet
10 Aug - 18 Aug	Arajet
10 Aug - 22 Aug	Arajet
14 Aug - 20 Aug	Arajet
07 Aug - 11 Aug	Arajet
12 Aug - 18 Aug	Arajet
31 Aug - 05 Sep	Arajet
19 Aug - 25 Aug	Arajet
23 Aug - 08 Sep	Arajet
05 Aug - 21 Aug	Avianca
25 Aug - 30 Aug	Avianca
21 Aug - 26 Aug	Avianca
27 Aug - 03 Sep	Avianca
31 Aug - 03 Sep	Arajet
23 Aug - 02 Sep	Avianca
20 Aug - 08 Sep	Avianca
17 Aug - 01 Sep	Aeromexico	direct
07 Aug - 08 Sep	Arajet
16 Aug - 19 Sep	Avianca
16 Aug - 16 Sep	Avianca

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 377€

Return flights