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

Return flights

23 Sep - 27 Sep	Wizz Air UK
23 Sep - 26 Sep	Wizz Air UK
26 Sep - 01 Oct	Wizz Air UK
29 Sep - 06 Oct	Wizz Air UK
24 Sep - 28 Sep	Eurowings
17 Sep - 24 Sep	Air Serbia
24 Sep - 01 Oct	Air Serbia
24 Sep - 29 Sep	Air Serbia
29 Sep - 06 Oct	Air Serbia	direct
17 Sep - 24 Sep	Air Serbia	direct
23 Sep - 26 Sep	Air Serbia	direct
26 Sep - 29 Sep	Air Serbia
24 Sep - 29 Sep	Air Serbia	direct
24 Sep - 01 Oct	Air Serbia	direct
09 Sep - 14 Sep	Scandinavian Airlines
26 Sep - 01 Oct	Air Serbia	direct
29 Sep - 11 Oct	Lufthansa

Also check the deals for one-way flights from Split 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 Split to Belgrade in September from 115€

Return flights