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

Return flights

05 Dec - 07 Dec	Austrian Airlines
11 Dec - 15 Dec	SWISS
15 Dec - 22 Dec	Air Serbia
19 Dec - 22 Dec	Austrian Airlines
22 Dec - 11 Jan	Austrian Airlines
19 Dec - 03 Jan	Austrian Airlines
19 Dec - 22 Dec	Air Serbia	direct
22 Dec - 11 Jan	Air Serbia	direct
19 Dec - 03 Jan	Air Serbia	direct
20 Dec - 03 Jan	Lufthansa
05 Dec - 07 Dec	Air Serbia	direct
20 Dec - 03 Jan	Air Serbia	direct

Also check the deals for one-way flights from Prague to Belgrade 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 Prague to Belgrade in December from 147€

Return flights