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

Return flights

08 Dec - 15 Dec	Air China
09 Dec - 14 Dec	Air China
08 Dec - 14 Dec	Air China
01 Dec - 06 Dec	Air China
04 Dec - 09 Dec	Air China
02 Dec - 08 Dec	Air China
07 Dec - 15 Dec	Air China
01 Dec - 08 Dec	Air China
07 Dec - 13 Dec	Air China
01 Dec - 09 Dec	Air China
18 Dec - 08 Jan	Air China
18 Dec - 07 Jan	Air China
24 Dec - 05 Jan	Air China
26 Dec - 05 Jan	Air China
26 Dec - 06 Jan	Air China
28 Dec - 05 Jan	Air China
17 Dec - 02 Jan	China Eastern
25 Dec - 01 Jan	China Eastern
28 Dec - 01 Jan	Air China
22 Dec - 06 Jan	Air France

Also check the deals for one-way flights from Osaka to Barcelona 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 Osaka to Barcelona in December from 530€

Return flights