AirHint found the following cheapest return flights from Belgrade (BEG) to Sofia (SOF) in March 2026 (see full year).

Return flights

08 Mar - 15 Mar	Wizz Air
05 Mar - 08 Mar	Wizz Air UK
07 Mar - 09 Mar	Wizz Air
06 Mar - 08 Mar	Air Serbia
14 Mar - 14 Mar	Air Serbia	direct
27 Mar - 29 Mar	Air Serbia	direct
05 Mar - 08 Mar	Air Serbia	direct
06 Mar - 08 Mar	Air Serbia	direct
08 Mar - 15 Mar	Air Serbia	direct
07 Mar - 09 Mar	Air Serbia	direct

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

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 Sofia in March from $118

Return flights