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

Return flights

01 Dec - 14 Dec	Air Serbia	direct
02 Dec - 15 Dec	Wizz Air
28 Dec - 06 Jan	KLM
28 Dec - 05 Jan	KLM
29 Dec - 07 Jan	Air Serbia	direct
28 Dec - 02 Jan	Air Serbia	direct
29 Dec - 04 Jan	Air Serbia	direct
28 Dec - 05 Jan	Air Serbia	direct
31 Dec - 04 Jan	Wizz Air
29 Dec - 03 Jan	Air Serbia
29 Dec - 03 Jan	Norwegian	direct

Also check the deals for one-way flights from Belgrade to Oslo 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 Belgrade to Oslo in December from 108€

Return flights