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

One-Way flights

23 Dec	Hainan Airlines
24 Dec	Jetstar Japan
16 Dec	Turkish Airlines
11 Dec	Turkish Airlines
10 Dec	Turkish Airlines
15 Dec	Turkish Airlines
22 Dec	Turkish Airlines
31 Dec	Turkish Airlines
17 Dec	Turkish Airlines
04 Dec	Turkish Airlines

Also check the deals for return 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 one-way flights from Tokyo to Helsinki in December from $475

One-Way flights