Cheapest return flights from Belgrade to Sofia in September from 166€

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

Return flights

24 Sep - 29 Sep Wizz Air
25 Sep - 30 Sep Air Serbia
25 Sep - 02 Oct Air Serbia direct
25 Sep - 30 Sep Air Serbia direct
28 Sep - 29 Sep Air Serbia direct
27 Sep - 29 Sep Wizz Air
22 Sep - 23 Sep Air Serbia direct
25 Sep - 29 Sep Air Serbia direct
27 Sep - 29 Sep Air Serbia direct

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

Skyscanner

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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