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

Return flights

03 Dec - 08 Dec	Cathay Pacific
20 Dec - 27 Dec	Hainan Airlines
12 Dec - 23 Dec	Cathay Pacific
05 Dec - 06 Dec	Cathay Pacific
23 Dec - 05 Jan	KLM
25 Dec - 06 Jan	KLM
08 Dec - 12 Dec	Turkish Airlines
18 Dec - 22 Dec	Emirates
19 Dec - 22 Dec	Emirates
28 Dec - 30 Dec	Cathay Pacific
24 Dec - 31 Dec	Thai Airways
18 Dec - 21 Dec	Emirates
20 Dec - 15 Jan	Emirates
28 Dec - 01 Jan	Cathay Pacific
24 Dec - 21 Jan	Emirates
24 Dec - 04 Jan	Thai Airways
23 Dec - 02 Jan	KLM
30 Dec - 03 Jan	Singapore Airlines
25 Dec - 01 Jan	Thai Airways
25 Dec - 02 Jan	KLM

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 $688

Return flights