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

Return flights

01 Sep - 17 Sep	Scandinavian Airlines
02 Sep - 09 Sep	Norwegian Air Sweden AOC
10 Sep - 17 Sep	Finnair
01 Sep - 08 Sep	Norwegian Air Sweden AOC
01 Sep - 07 Sep	Norwegian Air Sweden AOC
15 Sep - 26 Sep	Ryanair
06 Sep - 14 Sep	Air France
10 Sep - 14 Sep	Finnair	direct
04 Sep - 11 Sep	Finnair
13 Sep - 27 Sep	Air France
19 Sep - 13 Oct	Finnair	direct
26 Sep - 12 Oct	Finnair	direct
20 Sep - 04 Oct	Finnair	direct
26 Sep - 31 Oct	Singapore Airlines
19 Sep - 31 Oct	Qatar Airways
19 Sep - 31 Oct	Finnair	direct
26 Sep - 31 Oct	Japan Airlines	direct

Also check the deals for one-way flights from Helsinki to Tokyo 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 Helsinki to Tokyo in September from $981

Return flights