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

Return flights

28 Sep - 03 Oct	Pegasus Airlines
28 Sep - 03 Oct	AJet	direct
08 Sep - 11 Sep	Pegasus Airlines	direct
05 Sep - 11 Sep	AJet	direct
03 Sep - 10 Sep	AJet
08 Sep - 22 Sep	AJet	direct
10 Sep - 12 Sep	AJet	direct
21 Sep - 26 Sep	AJet	direct
10 Sep - 15 Oct	AJet	direct
17 Sep - 19 Sep	AJet	direct
14 Sep - 19 Sep	AJet	direct
12 Sep - 19 Sep	AJet	direct
19 Sep - 22 Sep	AJet	direct
29 Sep - 06 Oct	AJet
24 Sep - 01 Oct	AJet	direct
28 Sep - 05 Oct	AJet	direct
25 Sep - 02 Oct	Pegasus Airlines	direct
29 Sep - 06 Oct	Pegasus Airlines	direct
30 Sep - 04 Oct	flydubai

Also check the deals for one-way flights from Istanbul 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 Istanbul to Belgrade in September from 162€

Return flights