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

Return flights

29 Sep - 08 Oct	Nouvelair
29 Sep - 01 Oct	Nouvelair
25 Sep - 29 Sep	Nouvelair
29 Sep - 06 Oct	Nouvelair	direct
26 Sep - 11 Oct	Nouvelair
26 Sep - 04 Oct	Nouvelair
26 Sep - 04 Oct	Nouvelair	direct
23 Sep - 27 Sep	Nouvelair
25 Sep - 29 Sep	Nouvelair	direct
29 Sep - 09 Oct	Nouvelair
19 Sep - 15 Oct	Nouvelair
28 Sep - 08 Oct	Nouvelair
19 Sep - 29 Sep	Nouvelair	direct
25 Sep - 21 Oct	Nouvelair
23 Sep - 26 Sep	Nouvelair
23 Sep - 30 Sep	Nouvelair
19 Sep - 23 Sep	Nouvelair	direct
21 Sep - 28 Sep	Nouvelair	direct
19 Sep - 28 Sep	Tunisair
24 Sep - 29 Sep	Tunisair	direct

Also check the deals for one-way flights from Tunis to Brussels 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 Brussels in September from 180€

Return flights