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

Return flights

24 Sep - 01 Oct	Air France
27 Sep - 04 Oct	Air France
23 Sep - 30 Sep	Air France
30 Sep - 05 Oct	Transavia France
22 Sep - 28 Oct	Air France
27 Sep - 03 Oct	Air France
27 Sep - 28 Sep	Nouvelair
22 Sep - 27 Oct	Air France
22 Sep - 25 Oct	Nouvelair	direct
22 Sep - 27 Oct	Nouvelair	direct
22 Sep - 29 Oct	Nouvelair	direct
22 Sep - 26 Oct	Air France
27 Sep - 28 Sep	Nouvelair	direct
20 Sep - 26 Sep	Eurowings	direct
20 Sep - 24 Sep	Nouvelair	direct
28 Sep - 30 Sep	Nouvelair
20 Sep - 21 Sep	Nouvelair	direct
22 Sep - 22 Sep	Nouvelair	direct
26 Sep - 26 Sep	Tunisair
21 Sep - 27 Sep	Nouvelair

Also check the deals for one-way flights from Tunis to Duesseldorf 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 Duesseldorf in September from $219

Return flights