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

Return flights

05 Dec - 08 Dec	Wizz Air
12 Dec - 15 Dec	Wizz Air
07 Dec - 08 Dec	Wizz Air
04 Dec - 07 Dec	Wizz Air
11 Dec - 13 Dec	Wizz Air
09 Dec - 13 Dec	Wizz Air
08 Dec - 12 Dec	Wizz Air
06 Dec - 08 Dec	Ryanair
04 Dec - 06 Dec	Wizz Air Malta
22 Dec - 26 Dec	Ryanair
25 Dec - 01 Jan	Wizz Air
29 Dec - 03 Jan	Ryanair
30 Dec - 02 Jan	Wizz Air
30 Dec - 03 Jan	Wizz Air
28 Dec - 02 Jan	Wizz Air

Also check the deals for one-way flights from Bucharest 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 Bucharest to Oslo in December from 94€

Return flights