AirHint found the following cheapest return flights from Florence (FLR) to Sofia (SOF) in January 2026 (see full year).

Return flights

30 Jan - 02 Feb	Air Serbia
22 Jan - 26 Jan	Vueling Airlines
22 Jan - 25 Jan	Vueling Airlines
23 Jan - 26 Jan	ITA Airways
20 Jan - 27 Jan	Lufthansa
19 Jan - 26 Jan	Vueling Airlines
20 Jan - 26 Jan	ITA Airways
24 Jan - 26 Jan	ITA Airways
21 Jan - 26 Jan	Lufthansa
26 Jan - 28 Jan	Volotea

Also check the deals for one-way flights from Florence to Sofia in January.

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 Florence to Sofia in January from 135€

Return flights