AirHint found the following cheapest return flights from Tunis (TUN) to Sao Paulo (GRU) in September 2025 (see full year).

Return flights

18 Sep - 04 Oct	ITA Airways
24 Sep - 02 Oct	ITA Airways
22 Sep - 29 Sep	Air France
23 Sep - 03 Oct	ITA Airways
18 Sep - 24 Sep	Air France
21 Sep - 29 Sep	ITA Airways
25 Sep - 27 Sep	Air France
25 Sep - 07 Oct	Air France
18 Sep - 03 Oct	ITA Airways
18 Sep - 30 Sep	Air France
20 Sep - 27 Sep	ITA Airways
30 Sep - 02 Oct	ITA Airways
19 Sep - 26 Sep	Tunisair
25 Sep - 30 Sep	Air France
25 Sep - 05 Oct	Air France
19 Sep - 30 Sep	Air France
25 Sep - 04 Oct	Air France
16 Sep - 21 Sep	Air France
30 Sep - 10 Oct	Air France
30 Sep - 11 Oct	Air France

Also check the deals for one-way flights from Tunis to Sao Paulo in September.

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 Tunis to Sao Paulo in September from $909

Return flights