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

Return flights

30 Oct - 06 Nov	Singapore Airlines
30 Oct - 09 Nov	Singapore Airlines
16 Oct - 20 Oct	T'way Air
23 Oct - 28 Oct	Air China
22 Oct - 27 Oct	Air China
22 Oct - 26 Oct	Air China
22 Oct - 25 Oct	Air China
15 Oct - 23 Oct	Air China
13 Oct - 23 Oct	Air China
15 Oct - 21 Oct	Air China
24 Oct - 02 Nov	Air China
31 Oct - 04 Nov	Air China
16 Oct - 21 Oct	Air China
29 Oct - 05 Nov	Air China
10 Oct - 14 Nov	Air China
24 Oct - 31 Oct	Air China
31 Oct - 03 Nov	Air China
31 Oct - 08 Nov	Air China
30 Oct - 07 Nov	Asiana Airlines

Also check the deals for one-way flights from Osaka to Barcelona 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 Barcelona in October from $808

Return flights