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

Return flights

25 Sep - 02 Oct	Wizz Air
22 Sep - 28 Sep	Air Serbia	direct
24 Sep - 15 Oct	Wizz Air
22 Sep - 23 Sep	Air Serbia
24 Sep - 26 Sep	Wizz Air
23 Sep - 25 Sep	Wizz Air
22 Sep - 23 Sep	Air Serbia	direct
23 Sep - 23 Sep	Air Serbia
24 Sep - 25 Sep	Wizz Air
23 Sep - 25 Sep	Air Serbia	direct
25 Sep - 02 Oct	Air Serbia	direct
24 Sep - 26 Sep	Air Serbia	direct
24 Sep - 15 Oct	Air Serbia	direct
24 Sep - 25 Sep	Air Serbia	direct

Also check the deals for one-way flights from Belgrade to Budapest 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 Belgrade to Budapest in September from 132€

Return flights