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

Return flights

30 Dec - 01 Jan	Wizz Air	direct
27 Dec - 01 Jan	Wizz Air	direct
05 Dec - 07 Dec	Air Serbia
25 Dec - 01 Jan	Wizz Air	direct
30 Dec - 05 Jan	Austrian Airlines
26 Dec - 02 Jan	Air Serbia
27 Dec - 30 Dec	Wizz Air	direct
20 Dec - 01 Jan	Wizz Air	direct
25 Dec - 30 Dec	Wizz Air	direct
27 Dec - 03 Jan	Austrian Airlines
25 Dec - 02 Jan	LOT
27 Dec - 03 Jan	Wizz Air	direct
21 Dec - 03 Jan	Austrian Airlines

Also check the deals for one-way flights from Hamburg 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 return flights from Hamburg to Sofia in December from $166

Return flights