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

Return flights

17 Dec - 07 Jan	Norwegian	direct
20 Dec - 07 Jan	Norwegian	direct
22 Dec - 07 Jan	Norwegian	direct
24 Dec - 14 Jan	Norwegian	direct
13 Dec - 31 Dec	Norwegian	direct
17 Dec - 31 Dec	Norwegian	direct
25 Dec - 06 Jan	LOT
26 Dec - 07 Jan	LOT
20 Dec - 31 Dec	Norwegian	direct
23 Dec - 06 Jan	LOT
06 Dec - 10 Dec	Norwegian	direct
31 Dec - 06 Jan	LOT
11 Dec - 16 Dec	Wizz Air
24 Dec - 31 Dec	Norwegian	direct
27 Dec - 07 Jan	Norwegian	direct
27 Dec - 14 Jan	Norwegian	direct
06 Dec - 07 Dec	Norwegian	direct
17 Dec - 24 Dec	Norwegian
20 Dec - 27 Dec	Norwegian
24 Dec - 29 Dec	Norwegian

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 146€

Return flights