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

Return flights

06 Dec - 16 Dec	Ryanair
05 Dec - 14 Dec	Ryanair
05 Dec - 15 Dec	Ryanair
05 Dec - 18 Dec	Ryanair
12 Dec - 17 Jan	Finnair
07 Dec - 20 Dec	airBaltic
05 Dec - 29 Dec	Ryanair
05 Dec - 18 Dec	Finnair	direct
07 Dec - 20 Dec	Finnair	direct
30 Dec - 14 Jan	Norwegian Air Sweden AOC
05 Dec - 15 Dec	Finnair	direct
24 Dec - 12 Jan	Finnair
25 Dec - 15 Jan	Finnair
04 Dec - 05 Dec	Juneyao Airlines
28 Dec - 12 Jan	Finnair
25 Dec - 13 Jan	Finnair
25 Dec - 08 Jan	Finnair
28 Dec - 12 Jan	Japan Airlines	direct
24 Dec - 12 Jan	Japan Airlines	direct

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

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 December from $747

Return flights