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

Return flights

05 Dec - 12 Dec	ANA
08 Dec - 29 Dec	ANA
15 Dec - 05 Jan	ANA
05 Dec - 09 Dec	ANA
04 Dec - 10 Dec	ANA
15 Dec - 29 Dec	ANA
04 Dec - 17 Dec	ANA
16 Dec - 29 Dec	ANA
30 Dec - 05 Jan	Lufthansa
31 Dec - 07 Jan	ANA
02 Dec - 10 Dec	Lufthansa
23 Dec - 31 Dec	Lufthansa
29 Dec - 24 Jan	ANA
21 Dec - 29 Dec	Lufthansa
23 Dec - 04 Jan	Lufthansa
20 Dec - 17 Jan	ANA
26 Dec - 04 Jan	Lufthansa
23 Dec - 02 Jan	Lufthansa
26 Dec - 03 Jan	Lufthansa
31 Dec - 05 Jan	Japan 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 904€

Return flights