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

Return flights

30 Sep - 07 Oct	Nouvelair
26 Sep - 03 Oct	Tunisair	direct
30 Sep - 03 Oct	Nouvelair
26 Sep - 17 Oct	Tunisair	direct
19 Sep - 26 Sep	Tunisair	direct
26 Sep - 29 Sep	Tunisair	direct
23 Sep - 30 Sep	Nouvelair
24 Sep - 03 Oct	Tunisair	direct
30 Sep - 05 Oct	Nouvelair
23 Sep - 25 Sep	Nouvelair
19 Sep - 20 Sep	Tunisair
29 Sep - 03 Oct	Nouvelair
27 Sep - 03 Oct	Nouvelair
19 Sep - 21 Sep	Tunisair	direct
26 Sep - 01 Oct	Nouvelair
24 Sep - 01 Oct	Nouvelair
23 Sep - 27 Sep	Nouvelair
19 Sep - 23 Sep	Tunisair
24 Sep - 25 Sep	Nouvelair
24 Sep - 26 Sep	Nouvelair

Also check the deals for one-way flights from Tunis to Barcelona 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 Barcelona in September from 145€

Return flights