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

Return flights

14 Oct - 23 Oct	Air China
09 Oct - 16 Oct	Air China
20 Oct - 23 Oct	Air China
11 Oct - 16 Oct	Air China
16 Oct - 11 Nov	Air China
22 Oct - 29 Oct	Air China
15 Oct - 22 Oct	Air China
15 Oct - 31 Oct	Air China
17 Oct - 26 Oct	Air China
24 Oct - 28 Oct	Air China
15 Oct - 23 Oct	Air China
17 Oct - 04 Nov	Air China
16 Oct - 05 Nov	Air China
17 Oct - 05 Nov	Air China
31 Oct - 08 Nov	Air China
29 Oct - 05 Nov	Air China
26 Oct - 01 Nov	Air China
31 Oct - 16 Nov	Air China
24 Oct - 02 Nov	Air China
29 Oct - 02 Nov	Air China

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 615€

Return flights