Cheapest return flights from Frankfurt to Sofia in December from $202

Best time to book flights for Frankfurt (FRA) to Sofia (SOF) flights at AirHint

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

Return flights

25 Dec - 29 Dec SWISS
06 Dec - 10 Dec Ryanair
24 Dec - 28 Dec Austrian Airlines
17 Dec - 04 Jan Lufthansa direct
31 Dec - 03 Jan Lufthansa
26 Dec - 30 Dec Lufthansa direct
20 Dec - 29 Dec Lufthansa
19 Dec - 03 Jan Air Serbia
23 Dec - 27 Dec Air Serbia
23 Dec - 27 Dec Lufthansa direct
20 Dec - 04 Jan Lufthansa

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

Skyscanner

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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