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

Return flights

04 Oct - 26 Oct	Vueling Airlines
17 Oct - 02 Nov	Vueling Airlines
01 Oct - 15 Oct	Vueling Airlines
18 Oct - 02 Nov	Air Europa
16 Oct - 23 Oct	easyJet
04 Oct - 25 Oct	Vueling Airlines
20 Oct - 02 Nov	Vueling Airlines
19 Oct - 02 Nov	Vueling Airlines
16 Oct - 02 Nov	Iberia
16 Oct - 31 Oct	Iberia
16 Oct - 01 Nov	Iberia
17 Oct - 31 Oct	Iberia
17 Oct - 01 Nov	Iberia
18 Oct - 01 Nov	KLM
18 Oct - 31 Oct	Turkish Airlines

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.

Book a cheap hotel in Osaka

Cheap car rent in Osaka

Cheapest return flights from Bilbao to Osaka in October from $974

Return flights