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

Return flights

03 Dec - 10 Dec	China Eastern
01 Dec - 08 Dec	Cathay Pacific
02 Dec - 15 Dec	Eastar Jet
10 Dec - 23 Dec	Eastar Jet
02 Dec - 12 Dec	Air Busan
12 Dec - 23 Dec	Hainan Airlines
05 Dec - 11 Dec	Cathay Pacific
14 Dec - 01 Jan	Cathay Pacific
15 Dec - 01 Jan	Cathay Pacific
22 Dec - 28 Dec	Turkish Airlines
16 Dec - 09 Jan	Turkish Airlines
30 Dec - 06 Jan	Turkish Airlines
16 Dec - 01 Jan	Lufthansa
23 Dec - 04 Jan	KLM
18 Dec - 25 Dec	Emirates
23 Dec - 05 Jan	KLM
01 Dec - 12 Dec	Turkish Airlines
26 Dec - 01 Jan	Cathay Pacific
25 Dec - 04 Jan	KLM
20 Dec - 15 Jan	Emirates

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 554€

Return flights