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

Return flights

13 Sep - 16 Sep	Norwegian
21 Sep - 26 Oct	Wizz Air
09 Sep - 23 Sep	Wizz Air
24 Sep - 01 Oct	Wizz Air
30 Sep - 07 Oct	Wizz Air
19 Sep - 26 Sep	Ryanair
27 Sep - 30 Sep	Wizz Air
10 Sep - 16 Sep	Norwegian
16 Sep - 27 Sep	Wizz Air
08 Sep - 10 Sep	Wizz Air
15 Sep - 17 Sep	airBaltic
10 Sep - 24 Sep	Norwegian
10 Sep - 30 Sep	Wizz Air
23 Sep - 01 Oct	Wizz Air
29 Sep - 05 Oct	Air Serbia
25 Sep - 01 Oct	Wizz Air
28 Sep - 05 Oct	LOT	direct
30 Sep - 07 Oct	LOT	direct
29 Sep - 02 Oct	Air Serbia
27 Sep - 02 Oct	LOT	direct

Also check the deals for one-way flights from Krakow 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 Krakow to Istanbul in September from 93€

Return flights