AirHint found the following cheapest one-way flights from Frankfurt (FRA) to Sofia (SOF) in December 2025 (see full year).

One-Way flights

01 Dec	Ryanair	direct
12 Dec	Ryanair	direct
26 Dec	Ryanair	direct
30 Dec	Wizz Air	direct
13 Dec	Wizz Air	direct
03 Dec	Ryanair
08 Dec	Air Serbia
03 Dec	Lufthansa	direct
08 Dec	Lufthansa	direct
19 Dec	Ryanair	direct

Also check the deals for return flights from Frankfurt 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 one-way flights from Frankfurt to Sofia in December from 36€

One-Way flights