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

Return flights

16 Oct - 13 Nov	Finnair
15 Oct - 22 Oct	Japan Airlines
21 Oct - 28 Oct	Japan Airlines
21 Oct - 29 Oct	Japan Airlines
13 Oct - 19 Oct	Japan Airlines
22 Oct - 29 Oct	Finnair
16 Oct - 29 Oct	Finnair
09 Oct - 16 Oct	Japan Airlines
13 Oct - 23 Oct	Japan Airlines
01 Oct - 07 Oct	Japan Airlines
01 Oct - 08 Oct	Lufthansa
30 Oct - 06 Nov	Japan Airlines
17 Oct - 14 Nov	Finnair
30 Oct - 03 Nov	Lufthansa
20 Oct - 05 Nov	Lufthansa
31 Oct - 03 Nov	Lufthansa
26 Oct - 02 Nov	Japan Airlines

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

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 October from $1203

Return flights