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

Return flights

18 Sep - 23 Sep	Ryanair
04 Sep - 16 Sep	Ryanair
16 Sep - 24 Sep	Ryanair
04 Sep - 15 Sep	Ryanair
18 Sep - 28 Sep	Ryanair
18 Sep - 29 Sep	Ryanair
17 Sep - 24 Sep	Ryanair
18 Sep - 22 Sep	Ryanair
25 Sep - 30 Sep	Ryanair
30 Sep - 03 Oct	Wizz Air Malta
28 Sep - 01 Oct	Wizz Air
25 Sep - 28 Sep	Ryanair
30 Sep - 07 Oct	Ryanair
30 Sep - 02 Oct	Wizz Air Malta
26 Sep - 01 Oct	Wizz Air
29 Sep - 06 Oct	Wizz Air Malta
29 Sep - 01 Oct	Wizz Air Malta
29 Sep - 05 Oct	Wizz Air Malta
01 Sep - 31 Oct	Wizz Air Malta
29 Sep - 04 Oct	Wizz Air Malta

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 137€

Return flights