Cheapest one-way flights from Belgrade to Sofia in September from 75€

Best time to book flights for Belgrade (BEG) to Sofia (SOF) flights at AirHint

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

One-Way flights

15 Sep Air Serbia direct

Also check the deals for return 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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