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

Return flights

18 Sep - 20 Sep	Air China
10 Sep - 15 Sep	T'way Air
11 Sep - 13 Sep	Air China
30 Sep - 07 Oct	Qatar Airways
06 Sep - 10 Sep	T'way Air
19 Sep - 20 Sep	Spring Airlines
28 Sep - 04 Oct	AirAsia X
19 Sep - 23 Sep	Qatar Airways
12 Sep - 21 Sep	China Eastern
30 Sep - 04 Oct	Qatar Airways
11 Sep - 12 Sep	China Southern
12 Sep - 13 Sep	China Eastern
12 Sep - 14 Sep	China Eastern
26 Sep - 02 Oct	Qatar Airways
29 Sep - 04 Oct	Qatar Airways
30 Sep - 07 Oct	Finnair	direct
29 Sep - 04 Oct	Finnair	direct
24 Sep - 01 Oct	Finnair	direct
27 Sep - 03 Oct	KLM
27 Sep - 03 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 827€

Return flights