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

Return flights

01 Dec - 09 Dec	China Eastern
04 Dec - 14 Dec	Air Japan
18 Dec - 15 Jan	Japan Airlines
18 Dec - 14 Jan	Japan Airlines
08 Dec - 23 Dec	Air China
03 Dec - 06 Dec	KLM
19 Dec - 31 Dec	China Eastern
03 Dec - 08 Dec	KLM
03 Dec - 20 Jan	KLM
04 Dec - 10 Dec	KLM
04 Dec - 08 Dec	KLM
04 Dec - 09 Dec	KLM
17 Dec - 20 Jan	KLM
25 Dec - 08 Jan	MIAT Mongolian Airlines
25 Dec - 07 Jan	MIAT Mongolian Airlines
05 Dec - 07 Dec	Turkish Airlines
24 Dec - 02 Jan	Jeju Air
18 Dec - 07 Jan	Etihad Airways
31 Dec - 06 Jan	Etihad Airways
03 Dec - 20 Jan	Finnair	direct

Also check the deals for one-way flights from Tokyo to Helsinki 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 Tokyo to Helsinki in December from $868

Return flights