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

Return flights

25 Sep - 09 Oct	Tunisair	direct
26 Sep - 01 Oct	Nouvelair
29 Sep - 13 Oct	Nouvelair	direct
29 Sep - 06 Oct	Nouvelair	direct
28 Sep - 09 Oct	Nouvelair	direct
28 Sep - 12 Oct	Ryanair
08 Sep - 03 Oct	Nouvelair	direct
22 Sep - 03 Oct	Nouvelair	direct
25 Sep - 04 Oct	Nouvelair	direct
10 Sep - 15 Sep	Vueling Airlines
09 Sep - 19 Sep	Vueling Airlines
18 Sep - 26 Sep	Nouvelair
23 Sep - 28 Sep	Tunisair
01 Sep - 12 Sep	Nouvelair
18 Sep - 02 Oct	Nouvelair
25 Sep - 28 Sep	Tunisair
07 Sep - 21 Sep	Tunisair
01 Sep - 14 Sep	Vueling Airlines
22 Sep - 28 Sep	Nouvelair
08 Sep - 12 Sep	Nouvelair

Also check the deals for one-way flights from Brussels 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 Brussels to Tunis in September from 151€

Return flights