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

Return flights

19 Dec - 10 Jan	Air China
24 Dec - 30 Dec	Turkish Airlines
30 Dec - 06 Jan	Turkish Airlines
04 Dec - 10 Dec	KLM
02 Dec - 05 Dec	KLM
22 Dec - 29 Dec	Air China
25 Dec - 30 Dec	Air China
20 Dec - 27 Dec	Air China
14 Dec - 22 Dec	Air China
25 Dec - 01 Jan	Air China
22 Dec - 28 Dec	Air China
25 Dec - 03 Jan	Air China
24 Dec - 02 Jan	Air China
24 Dec - 31 Dec	Air France
22 Dec - 06 Jan	Air France
26 Dec - 30 Dec	Air China
26 Dec - 04 Jan	Air China
26 Dec - 01 Jan	Air China
29 Dec - 03 Jan	Air China
29 Dec - 06 Jan	Air China

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 642€

Return flights