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

Return flights

24 Sep - 02 Oct	Lufthansa
24 Sep - 01 Oct	Air Europa
04 Sep - 11 Sep	Avianca
17 Sep - 28 Sep	Air France
18 Sep - 28 Sep	Air France
04 Sep - 08 Sep	Avianca
17 Sep - 29 Sep	Air France
18 Sep - 29 Sep	Air France
17 Sep - 26 Sep	Air France
18 Sep - 26 Sep	Air France
03 Sep - 11 Sep	LATAM Airlines Group
12 Sep - 25 Sep	Royal Air Maroc
08 Sep - 05 Oct	Air France
13 Sep - 04 Oct	Air France

Also check the deals for one-way flights from Sao Paulo to Tunis 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 Sao Paulo to Tunis in September from 969€

Return flights