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

Return flights

04 Sep - 14 Sep	KLM
15 Sep - 24 Sep	Singapore Airlines
14 Sep - 23 Sep	Singapore Airlines
20 Sep - 25 Sep	Singapore Airlines
16 Sep - 24 Sep	Singapore Airlines
19 Sep - 24 Sep	Singapore Airlines
19 Sep - 23 Sep	Singapore Airlines
04 Sep - 13 Oct	KLM
04 Sep - 08 Sep	KLM
04 Sep - 15 Sep	KLM
07 Sep - 12 Sep	Air France
28 Sep - 06 Oct	Qatar Airways
07 Sep - 19 Oct	Air France
15 Sep - 01 Oct	Singapore Airlines
04 Sep - 14 Oct	Finnair	direct
24 Sep - 01 Oct	Air France
29 Sep - 03 Oct	Qatar Airways
26 Sep - 05 Oct	Finnair	direct
04 Sep - 13 Oct	Finnair	direct
28 Sep - 06 Oct	Finnair	direct

Also check the deals for one-way flights from Osaka 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 Osaka to Helsinki in September from 919€

Return flights