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

Return flights

25 Sep - 29 Sep	Pegasus Airlines
28 Sep - 30 Sep	Pegasus Airlines
24 Sep - 25 Sep	Pegasus Airlines
24 Sep - 01 Oct	Pegasus Airlines
25 Sep - 28 Sep	Pegasus Airlines
22 Sep - 29 Sep	Pegasus Airlines
26 Sep - 03 Oct	AJet
29 Sep - 03 Oct	Pegasus Airlines
28 Sep - 01 Oct	AJet
27 Sep - 30 Sep	AJet
20 Sep - 25 Sep	Pegasus Airlines
17 Sep - 25 Sep	AJet
28 Sep - 04 Oct	Pegasus Airlines
23 Sep - 25 Sep	Pegasus Airlines
18 Sep - 22 Sep	Pegasus Airlines
24 Sep - 09 Oct	Pegasus Airlines
19 Sep - 05 Oct	Pegasus Airlines
29 Sep - 05 Oct	KLM

Also check the deals for one-way flights from Istanbul 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 Istanbul to Tunis in September from $249

Return flights