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

Return flights

21 Sep - 26 Sep	Turkish Airlines	direct
17 Sep - 24 Sep	Afriqiyah Airways
10 Sep - 17 Sep	Afriqiyah Airways
15 Sep - 20 Sep	Euroairlines, S.L.	direct
17 Sep - 24 Sep	Euroairlines, S.L.	direct
07 Sep - 14 Sep	Afriqiyah Airways
10 Sep - 19 Sep	Afriqiyah Airways
21 Sep - 21 Sep	EgyptAir
07 Sep - 14 Sep	Turkish Airlines	direct

Also check the deals for one-way flights from Benghazi 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 Benghazi to Istanbul in September from $404

Return flights