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

Return flights

09 Dec - 17 Dec	China Eastern
02 Dec - 17 Dec	Air China
02 Dec - 10 Dec	Air China
02 Dec - 07 Dec	Air China
02 Dec - 16 Dec	Air China
03 Dec - 17 Dec	Air China
01 Dec - 17 Dec	Air China
06 Dec - 16 Dec	Air China
04 Dec - 24 Dec	Air China
10 Dec - 17 Dec	Air China
30 Dec - 15 Jan	China Eastern
27 Dec - 21 Jan	Vueling Airlines
27 Dec - 20 Jan	Vueling Airlines
27 Dec - 22 Jan	Vueling Airlines
30 Dec - 01 Jan	China Eastern
27 Dec - 23 Jan	Vueling Airlines
26 Dec - 20 Jan	Wizz Air Malta
26 Dec - 22 Jan	Wizz Air Malta
30 Dec - 06 Jan	China Eastern
06 Dec - 11 Jan	Vueling Airlines

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 496€

Return flights