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

Return flights

03 Sep - 08 Sep	Air China
01 Sep - 08 Sep	China Southern
16 Sep - 18 Sep	China Southern
08 Sep - 12 Sep	KLM
15 Sep - 18 Sep	Singapore Airlines
05 Sep - 12 Sep	Air France
05 Sep - 09 Sep	Air France
04 Sep - 09 Sep	Air France
23 Sep - 30 Sep	Air France
01 Sep - 10 Sep	Finnair
08 Sep - 20 Oct	Finnair
25 Sep - 05 Oct	Air France
28 Sep - 05 Oct	Air France
17 Sep - 08 Oct	Air France
28 Sep - 05 Oct	Finnair	direct
24 Sep - 03 Oct	Air France
19 Sep - 02 Oct	Air France
19 Sep - 02 Oct	Finnair	direct
26 Sep - 06 Oct	Scandinavian Airlines

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 $969

Return flights