AirHint found the following cheapest return flights from Izmir (ADB) to Belgrade (BEG) in September 2025 (see full year).

Return flights

11 Sep - 13 Sep	Lufthansa
14 Sep - 18 Sep	AJet
10 Sep - 18 Sep	AJet
21 Sep - 25 Sep	AJet	direct
15 Sep - 18 Sep	AJet
11 Sep - 18 Sep	AJet
24 Sep - 02 Oct	AJet
25 Sep - 03 Oct	AJet
09 Sep - 13 Sep	Lufthansa
27 Sep - 02 Oct	AJet
21 Sep - 28 Sep	AJet	direct
11 Sep - 18 Sep	AJet	direct
15 Sep - 19 Sep	AJet
24 Sep - 02 Oct	Turkish Airlines	direct
27 Sep - 01 Oct	AJet
28 Sep - 01 Oct	AJet

Also check the deals for one-way flights from Izmir to Belgrade 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 Izmir to Belgrade in September from $216

Return flights