AirHint found the following cheapest return flights from Sofia (SOF) to Belgrade (BEG) in October 2025 (see full year).

Return flights

02 Oct - 03 Oct	Air Serbia
23 Oct - 31 Oct	Air Serbia
24 Oct - 02 Nov	Wizz Air
02 Oct - 04 Oct	Air Serbia
03 Oct - 04 Oct	Wizz Air
16 Oct - 20 Oct	Air Serbia
23 Oct - 31 Oct	Air Serbia	direct
16 Oct - 19 Oct	Air Serbia	direct
03 Oct - 04 Oct	Air Serbia	direct
03 Oct - 06 Oct	Air Serbia	direct
02 Oct - 04 Oct	Air Serbia	direct
24 Oct - 02 Nov	Air Serbia	direct

Also check the deals for one-way flights from Sofia to Belgrade in October.

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 Sofia to Belgrade in October from 121€

Return flights