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

Return flights

19 Sep - 24 Sep	Wizz Air
19 Sep - 21 Sep	Wizz Air
05 Sep - 13 Sep	Wizz Air
05 Sep - 12 Sep	Wizz Air
18 Sep - 28 Sep	Wizz Air Malta
16 Sep - 23 Sep	Ryanair
19 Sep - 28 Sep	Wizz Air
12 Sep - 14 Sep	Wizz Air
03 Sep - 10 Sep	Ryanair
19 Sep - 22 Sep	Wizz Air
27 Sep - 04 Oct	Wizz Air
01 Sep - 31 Oct	Wizz Air Malta
24 Sep - 12 Oct	Vueling Airlines
26 Sep - 12 Oct	Vueling Airlines
27 Sep - 04 Oct	Turkish Airlines	direct

Also check the deals for one-way flights from Bari 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 Bari to Istanbul in September from 151€

Return flights