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

Return flights

22 Oct - 30 Oct	Jeju Air
22 Oct - 28 Oct	China Eastern
14 Oct - 21 Oct	Jetstar Japan
24 Oct - 11 Nov	Jetstar Japan
14 Oct - 20 Oct	Air China
13 Oct - 20 Oct	Air China
16 Oct - 20 Oct	Air China
12 Oct - 19 Oct	Air China
06 Oct - 23 Oct	Finnair
10 Oct - 13 Oct	T'way Air
05 Oct - 12 Oct	Jetstar Japan
30 Oct - 03 Nov	Turkish Airlines
25 Oct - 09 Nov	Turkish Airlines
29 Oct - 03 Nov	KLM
29 Oct - 04 Nov	KLM
31 Oct - 03 Nov	Turkish Airlines
24 Oct - 02 Nov	Turkish Airlines
30 Oct - 04 Nov	Turkish Airlines
30 Oct - 02 Nov	Turkish Airlines
25 Oct - 02 Nov	Turkish Airlines

Also check the deals for one-way flights from Tokyo to Helsinki in October.

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 October from $820

Return flights