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

Return flights

17 Dec - 28 Dec	China Eastern
11 Dec - 18 Dec	Air China
23 Dec - 30 Dec	Air China
06 Dec - 10 Dec	Air China
03 Dec - 10 Dec	Air China
18 Dec - 25 Dec	Air China
07 Dec - 13 Dec	Air China
05 Dec - 08 Dec	Air China
21 Dec - 30 Dec	Air China
24 Dec - 01 Jan	Air China
28 Dec - 01 Jan	Air China
31 Dec - 05 Jan	Air China
28 Dec - 30 Dec	Air China
26 Dec - 01 Jan	Air China
29 Dec - 05 Jan	Air China
30 Dec - 01 Jan	Air China
27 Dec - 01 Jan	Air China
27 Dec - 06 Jan	Air China
31 Dec - 04 Jan	Asiana Airlines
25 Dec - 04 Jan	Asiana Airlines

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 428€

Return flights