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

Return flights

05 Dec - 13 Dec	Ryanair
05 Dec - 17 Dec	Juneyao Airlines
03 Dec - 07 Jan	Etihad Airways
24 Dec - 02 Jan	Ryanair
11 Dec - 30 Dec	Hainan Airlines
18 Dec - 26 Dec	Ryanair
22 Dec - 02 Jan	Ryanair
26 Dec - 02 Jan	Hainan Airlines
19 Dec - 26 Dec	Ryanair
05 Dec - 14 Dec	Etihad Airways
21 Dec - 02 Jan	Vueling Airlines
20 Dec - 02 Jan	Brussels Airlines
06 Dec - 26 Dec	Brussels Airlines
06 Dec - 14 Dec	Cathay Pacific
06 Dec - 28 Dec	Cathay Pacific
29 Dec - 30 Jan	Cathay Pacific
29 Dec - 12 Jan	Cathay Pacific
29 Dec - 11 Jan	Cathay Pacific
28 Dec - 11 Jan	Brussels Airlines
18 Dec - 29 Dec	Cathay Pacific

Also check the deals for one-way flights from Brussels to Hanoi 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 Hanoi in December from $702

Return flights