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

Return flights

25 Dec - 10 Jan	SWISS
27 Dec - 10 Jan	SWISS
27 Dec - 08 Jan	SWISS
02 Dec - 08 Dec	SWISS
20 Dec - 12 Jan	Finnair
23 Dec - 15 Jan	Finnair
22 Dec - 15 Jan	Finnair
22 Dec - 14 Jan	Finnair
21 Dec - 14 Jan	Finnair
04 Dec - 11 Dec	China Eastern
01 Dec - 04 Dec	Etihad Airways
23 Dec - 03 Jan	Hainan Airlines
23 Dec - 05 Jan	Hainan Airlines
19 Dec - 30 Dec	Hainan Airlines
23 Dec - 29 Dec	Juneyao Airlines
20 Dec - 29 Dec	Juneyao Airlines
21 Dec - 30 Dec	Finnair
19 Dec - 31 Dec	Finnair
22 Dec - 27 Dec	Finnair
20 Dec - 27 Dec	Finnair

Also check the deals for one-way flights from Hong Kong 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 Hong Kong to Brussels in December from 541€

Return flights