AirHint found the following cheapest return flights from Bilbao (BIO) to Osaka (KIX) in October 2025 (see full year).

Return flights

22 Oct - 27 Oct	Iberia
30 Oct - 15 Nov	Vueling Airlines
23 Oct - 05 Nov	Vueling Airlines
01 Oct - 15 Oct	Vueling Airlines
19 Oct - 02 Nov	Vueling Airlines
02 Oct - 06 Oct	Vueling Airlines
12 Oct - 21 Oct	KLM

Also check the deals for one-way flights from Bilbao to Osaka 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 Bilbao to Osaka in October from $846

Return flights