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

Return flights

31 Dec - 07 Jan	Shenzhen Airlines
27 Dec - 07 Jan	Aegean Airlines
24 Dec - 08 Jan	Shenzhen Airlines
29 Dec - 06 Jan	Shenzhen Airlines
31 Dec - 06 Jan	Shenzhen Airlines
26 Dec - 07 Jan	T'way Air
24 Dec - 13 Jan	T'way Air
31 Dec - 10 Jan	Shenzhen Airlines
30 Dec - 13 Jan	Iberia
28 Dec - 07 Jan	Iberia
22 Dec - 30 Dec	T'way Air
22 Dec - 29 Dec	T'way Air
22 Dec - 31 Dec	T'way Air
22 Dec - 26 Dec	T'way Air

Also check the deals for one-way flights from Barcelona to Osaka in December.

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 Barcelona to Osaka in December from 598€

Return flights