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
30 Dec	Wizz Air	direct
25 Dec	Wizz Air	direct
10 Dec	Air Serbia
08 Dec	Air Serbia
29 Dec	Ryanair	direct
28 Dec	Ryanair	direct
11 Dec	easyJet
10 Dec	Lufthansa	direct
11 Dec	Lufthansa	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.

Book a cheap hotel in Sofia

Cheap car rent in Sofia

Cheapest one-way flights from Frankfurt to Sofia in December from 36€

One-Way flights