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

Return flights

16 Sep - 28 Sep	Wizz Air
29 Sep - 01 Oct	Ryanair
16 Sep - 19 Sep	Wizz Air
21 Sep - 28 Sep	Wizz Air Malta
02 Sep - 09 Sep	Wizz Air
16 Sep - 23 Sep	Wizz Air
11 Sep - 13 Sep	Wizz Air Malta
16 Sep - 22 Sep	Wizz Air
05 Sep - 13 Sep	Wizz Air
25 Sep - 01 Oct	Wizz Air
30 Sep - 02 Oct	Wizz Air
10 Sep - 17 Sep	Wizz Air Malta
18 Sep - 24 Sep	Wizz Air Malta
29 Sep - 07 Oct	Ryanair
24 Sep - 01 Oct	Ryanair
29 Sep - 02 Oct	Ryanair
30 Sep - 07 Oct	Ryanair
27 Sep - 01 Oct	Ryanair
29 Sep - 03 Oct	Wizz Air Malta
26 Sep - 02 Oct	Wizz Air

Also check the deals for one-way flights from Bergamo 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 Bergamo to Istanbul in September from 138€

Return flights