AirHint found the following cheapest return flights from Rome (CIA) to Sofia (SOF) in December 2025 (see full year).

Return flights

11 Dec - 14 Dec	Ryanair	direct
11 Dec - 23 Dec	Ryanair	direct
11 Dec - 26 Dec	Ryanair	direct
11 Dec - 30 Dec	Ryanair	direct
27 Dec - 30 Dec	Ryanair	direct
29 Dec - 30 Dec	Ryanair	direct

Also check the deals for one-way flights from Rome to Sofia in December.

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 Rome to Sofia in December from 68€

Return flights