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

Return flights

30 Dec - 08 Jan	Ryanair
30 Dec - 06 Jan	Ryanair
28 Dec - 13 Jan	Norwegian	direct
26 Dec - 30 Dec	LOT
31 Dec - 05 Jan	KLM
26 Dec - 31 Dec	LOT
28 Dec - 14 Jan	Norwegian	direct
28 Dec - 12 Jan	Norwegian	direct
28 Dec - 15 Jan	Norwegian	direct
26 Dec - 05 Jan	LOT
28 Dec - 16 Jan	Norwegian	direct
28 Dec - 08 Jan	Norwegian	direct
26 Dec - 29 Dec	LOT
29 Dec - 31 Dec	Scandinavian Airlines
27 Dec - 30 Dec	LOT
27 Dec - 31 Dec	Norwegian
25 Dec - 29 Dec	KLM
26 Dec - 31 Dec	Norwegian	direct
26 Dec - 26 Dec	Norwegian	direct
28 Dec - 29 Dec	Norwegian

Also check the deals for one-way flights from Oslo to Berlin 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 Oslo to Berlin in December from $234

Return flights