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

Return flights

19 Dec - 29 Dec	Hainan Airlines
18 Dec - 29 Dec	Hainan Airlines
22 Dec - 29 Dec	Cathay Pacific
25 Dec - 04 Jan	KLM
20 Dec - 27 Dec	Turkish Airlines
28 Dec - 06 Jan	Cathay Pacific
25 Dec - 31 Dec	KLM
01 Dec - 10 Dec	Thai Airways
01 Dec - 07 Dec	Thai Airways
25 Dec - 30 Dec	KLM
26 Dec - 30 Dec	Cathay Pacific
19 Dec - 24 Dec	Turkish Airlines
26 Dec - 03 Jan	Cathay Pacific
28 Dec - 03 Jan	Cathay Pacific
28 Dec - 01 Jan	Cathay Pacific
24 Dec - 21 Jan	Emirates
25 Dec - 03 Jan	KLM
26 Dec - 02 Jan	Thai Airways
27 Dec - 04 Jan	Thai Airways
27 Dec - 03 Jan	Japan Airlines

Also check the deals for one-way flights from Osaka to Brussels 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 Brussels in December from $729

Return flights