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	China Southern
10 Sep - 17 Sep	China Southern
10 Sep - 16 Sep	Air China
10 Sep - 15 Sep	Air China
26 Sep - 05 Oct	AirAsia X
24 Sep - 09 Oct	Lufthansa
10 Sep - 29 Oct	Air France
26 Sep - 30 Sep	Air France
10 Sep - 14 Sep	Lufthansa
30 Sep - 05 Oct	Japan Airlines
04 Sep - 07 Sep	Lufthansa
25 Sep - 30 Sep	Air France
30 Sep - 07 Oct	Finnair
08 Sep - 14 Sep	Lufthansa
25 Sep - 05 Oct	Air France
26 Sep - 05 Oct	Finnair	direct
05 Sep - 12 Sep	Lufthansa
10 Sep - 29 Oct	Finnair	direct
25 Sep - 23 Oct	Air France
04 Sep - 14 Oct	Lufthansa

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 737€

Return flights