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

Return flights

17 Sep - 22 Sep	Tunisair
22 Sep - 29 Sep	Tunisair
22 Sep - 30 Sep	Air Algerie
20 Sep - 25 Sep	Tunisair
20 Sep - 26 Sep	Royal Air Maroc
21 Sep - 26 Sep	Transavia France
20 Sep - 24 Sep	Tunisair
18 Sep - 22 Sep	Royal Air Maroc
21 Sep - 27 Sep	Transavia France
21 Sep - 29 Sep	Tunisair

Also check the deals for one-way flights from Tunis to Niamey 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 Niamey in September from $704

Return flights