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

Return flights

01 Dec - 15 Dec	Hainan Airlines
29 Dec - 17 Jan	Hainan Airlines
30 Dec - 05 Jan	Hainan Airlines
13 Dec - 23 Dec	Hainan Airlines
25 Dec - 01 Jan	Brussels Airlines
09 Dec - 27 Dec	Hainan Airlines
26 Dec - 09 Jan	Hainan Airlines
17 Dec - 08 Jan	Juneyao Airlines
17 Dec - 02 Jan	Hainan Airlines
23 Dec - 04 Jan	Hainan Airlines
17 Dec - 04 Jan	Hainan Airlines
26 Dec - 02 Jan	Turkish Airlines
27 Dec - 02 Jan	Turkish Airlines

Also check the deals for one-way flights from Brussels to Osaka 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 Brussels to Osaka in December from 672€

Return flights