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

Return flights

18 Sep - 24 Sep	Wizz Air
09 Sep - 16 Sep	Wizz Air
19 Sep - 24 Sep	Wizz Air
02 Sep - 09 Sep	Wizz Air
18 Sep - 22 Sep	Wizz Air
18 Sep - 20 Sep	Wizz Air
17 Sep - 20 Sep	Wizz Air
19 Sep - 22 Sep	Wizz Air
17 Sep - 24 Sep	Wizz Air
08 Sep - 11 Sep	Wizz Air
29 Sep - 16 Oct	Wizz Air	direct
29 Sep - 10 Oct	Wizz Air	direct
24 Sep - 10 Oct	Wizz Air	direct
29 Sep - 09 Oct	Wizz Air	direct
29 Sep - 02 Oct	Wizz Air	direct
28 Sep - 10 Oct	Wizz Air	direct
24 Sep - 09 Oct	Wizz Air	direct
22 Sep - 10 Oct	Wizz Air	direct
24 Sep - 02 Oct	Wizz Air	direct
28 Sep - 16 Oct	Wizz Air	direct

Also check the deals for one-way flights from Belgrade to Barcelona 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 Barcelona in September from $94

Return flights