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

Return flights

28 Aug - 10 Sep	Turkish Airlines
19 Aug - 26 Aug	Norwegian Air Sweden AOC
29 Aug - 05 Sep	Norwegian Air Sweden AOC
28 Aug - 10 Sep	Finnair	direct
17 Aug - 24 Aug	Aegean Airlines
27 Aug - 10 Sep	Finnair	direct
29 Aug - 05 Sep	Finnair	direct
17 Aug - 24 Aug	Finnair	direct
19 Aug - 26 Aug	British Airways	direct

Also check the deals for one-way flights from Helsinki to Osaka in August.

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 Osaka in August from 907€

Return flights