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

Return flights

29 Sep - 01 Oct	Wizz Air
24 Sep - 01 Oct	Wizz Air
26 Sep - 03 Oct	Air Serbia
23 Sep - 25 Sep	Wizz Air
24 Sep - 08 Oct	Wizz Air
29 Sep - 03 Oct	Wizz Air
24 Sep - 26 Sep	Wizz Air
26 Sep - 30 Sep	Air Serbia
23 Sep - 26 Sep	Wizz Air
27 Sep - 30 Sep	Wizz Air
24 Sep - 25 Sep	Wizz Air
25 Sep - 28 Sep	Wizz Air
28 Sep - 30 Sep	Wizz Air
20 Sep - 23 Sep	Wizz Air
20 Sep - 24 Sep	Wizz Air
24 Sep - 01 Oct	Air Serbia	direct
26 Sep - 03 Oct	Air Serbia	direct
29 Sep - 03 Oct	Air Serbia	direct

Also check the deals for one-way flights from Belgrade to Brussels 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.

Book a cheap hotel in Brussels

Cheap car rent in Brussels

Cheapest return flights from Belgrade to Brussels in September from $173

Return flights