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

Return flights

20 Sep - 27 Sep	Air France
20 Sep - 25 Sep	Air France
20 Sep - 28 Sep	Air France
20 Sep - 23 Sep	Air France
23 Sep - 27 Sep	Air France
22 Sep - 27 Sep	Air France
23 Sep - 28 Sep	Air France
22 Sep - 28 Sep	Air France
27 Sep - 02 Oct	Aegean Airlines	direct
19 Sep - 22 Sep	Air France
24 Sep - 02 Oct	easyJet
24 Sep - 30 Sep	Turkish Airlines
27 Sep - 04 Oct	Aegean Airlines
28 Sep - 04 Oct	ITA Airways
27 Sep - 18 Oct	ITA Airways
23 Sep - 01 Oct	ITA Airways

Also check the deals for one-way flights from Athens 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 Athens to Tunis in September from $214

Return flights