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

Return flights

04 Dec - 15 Dec	KLM
01 Dec - 13 Dec	KLM
07 Dec - 17 Dec	KLM
03 Dec - 13 Dec	KLM
01 Dec - 17 Dec	KLM
10 Dec - 23 Dec	KLM
29 Dec - 14 Jan	KLM
01 Dec - 05 Dec	Ethiopian Airlines
08 Dec - 18 Dec	Wizz Air
03 Dec - 07 Jan	KLM
23 Dec - 17 Jan	KLM
29 Dec - 06 Jan	KLM
25 Dec - 01 Jan	Etihad Airways
25 Dec - 05 Jan	KLM
21 Dec - 05 Jan	Etihad Airways
14 Dec - 02 Jan	KLM
20 Dec - 04 Jan	Etihad Airways

Also check the deals for one-way flights from Oslo to Tokyo 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 Tokyo in December from $862

Return flights