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

Return flights

09 Dec - 30 Dec	Japan Airlines
15 Dec - 12 Jan	Turkish Airlines
09 Dec - 03 Jan	Japan Airlines
09 Dec - 31 Dec	Japan Airlines
09 Dec - 01 Jan	Japan Airlines
16 Dec - 28 Dec	Thai Airways
08 Dec - 04 Jan	Turkish Airlines
07 Dec - 29 Dec	Virgin Australia
07 Dec - 04 Jan	Thai Airways
09 Dec - 04 Jan	Thai Airways
17 Dec - 03 Jan	Thai Airways
09 Dec - 02 Jan	Thai Airways

Also check the deals for one-way flights from Melbourne 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 Melbourne to Brussels in December from $1135

Return flights