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

Return flights

24 Sep - 06 Oct	Zipair
25 Sep - 02 Oct	Zipair
28 Sep - 04 Oct	EVA Air
27 Sep - 04 Oct	Zipair
22 Sep - 26 Sep	Air China
29 Sep - 05 Oct	KLM
29 Sep - 02 Oct	Qatar Airways
25 Sep - 30 Sep	KLM
24 Sep - 30 Sep	KLM
28 Sep - 05 Oct	Qatar Airways
23 Sep - 28 Sep	KLM
22 Sep - 28 Sep	KLM
24 Sep - 28 Sep	KLM
22 Sep - 25 Sep	Qatar Airways
23 Sep - 26 Sep	Qatar Airways
24 Sep - 06 Oct	Finnair	direct
26 Sep - 29 Sep	Qatar Airways
24 Sep - 01 Oct	Finnair	direct
24 Sep - 03 Oct	KLM
22 Sep - 25 Sep	Japan Airlines	direct

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

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 September from 945€

Return flights