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

Return flights

11 Sep - 16 Sep	Air China
11 Sep - 18 Sep	Air China
16 Sep - 23 Sep	Singapore Airlines
15 Sep - 24 Sep	Singapore Airlines
24 Sep - 29 Sep	KLM
10 Sep - 15 Sep	KLM
16 Sep - 29 Sep	KLM
08 Sep - 16 Sep	KLM
23 Sep - 29 Sep	KLM
03 Sep - 10 Sep	Qatar Airways
24 Sep - 01 Oct	Japan Airlines
25 Sep - 05 Oct	KLM
25 Sep - 14 Oct	Finnair
24 Sep - 04 Oct	KLM
23 Sep - 04 Oct	Singapore Airlines
28 Sep - 03 Oct	Singapore Airlines
14 Sep - 02 Oct	Singapore Airlines
14 Sep - 02 Oct	Finnair	direct
28 Sep - 03 Oct	Finnair	direct
23 Sep - 02 Oct	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 876€

Return flights