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

Return flights

12 Dec - 14 Dec	Ryanair
19 Dec - 22 Dec	Air Serbia
16 Dec - 21 Dec	Air Serbia
07 Dec - 11 Dec	Air Serbia
04 Dec - 09 Dec	Air Serbia
18 Dec - 21 Dec	Air Serbia
16 Dec - 18 Dec	Air Serbia
30 Dec - 04 Jan	Air Serbia
27 Dec - 30 Dec	Air Serbia
30 Dec - 02 Jan	Air Serbia
19 Dec - 23 Dec	Air Serbia
16 Dec - 18 Dec	Bulgaria Air	direct

Also check the deals for one-way flights from Sofia to Prague 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 Sofia to Prague in December from 143€

Return flights