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

Return flights

30 Dec - 18 Jan	Wizz Air	direct
03 Dec - 07 Dec	Ryanair
27 Dec - 30 Dec	Wizz Air	direct
30 Dec - 01 Jan	Wizz Air	direct
29 Dec - 18 Jan	Ryanair	direct
28 Dec - 18 Jan	Ryanair	direct
30 Dec - 03 Jan	Wizz Air	direct
27 Dec - 03 Jan	Wizz Air	direct
29 Dec - 01 Jan	Ryanair	direct
28 Dec - 01 Jan	Ryanair	direct
29 Dec - 03 Jan	Ryanair	direct
28 Dec - 03 Jan	Ryanair	direct
20 Dec - 27 Dec	Wizz Air	direct
20 Dec - 25 Dec	Wizz Air	direct

Also check the deals for one-way 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 return flights from Frankfurt to Sofia in December from 113€

Return flights