AirHint found the following cheapest return flights from Istanbul (IST) to Tunis (TUN) in September 2026 (see full year).
Return flights
| 26 Sep - 24 Oct | Tunisair | direct | |
| 01 Sep - 16 Sep | Tunisair | direct | |
| 05 Sep - 11 Sep | Tunisair | direct | |
| 19 Sep - 24 Oct | Pegasus Airlines | ||
| 19 Sep - 24 Oct | Nouvelair | direct |
Also check the deals for one-way flights from Istanbul to Tunis in September.
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