AirHint found the following cheapest return flights from Poznan (POZ) to Istanbul (IST) in September 2025 (see full year).

Return flights

17 Sep - 24 Sep	Wizz Air UK
23 Sep - 28 Sep	Wizz Air UK
17 Sep - 21 Sep	Wizz Air UK
21 Sep - 27 Sep	Wizz Air UK
30 Sep - 10 Oct	Wizz Air UK
26 Sep - 30 Sep	Wizz Air UK
25 Sep - 30 Sep	Wizz Air UK
15 Sep - 21 Sep	Wizz Air Malta
11 Sep - 14 Sep	Wizz Air UK
14 Sep - 18 Sep	Wizz Air UK
30 Sep - 01 Oct	Ryanair
28 Sep - 30 Sep	Ryanair
29 Sep - 06 Oct	Ryanair

Also check the deals for one-way flights from Poznan to Istanbul 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 Poznan to Istanbul in September from $118

Return flights