We haven´t posted any good option from Belgium to Australia for months so here is one based on 4-star Etihad Airways and with just one short layover in Abu Dhabi, the United Arab Emirates in both directions. The cheapest return flights from Brussels to Melbourne, Australia are available for €724 incl. checked luggage and all taxes and fees, onboard meals and handbag.
Flying from: Brussels
Flying to: Melbourne
Airline(s): Etihad Airways
Luggage: 1x23kg bag
Travel period: May to June and September to December 2021
Book by: 15th of February
Brussels to Australia for €811 (booking with Etihad Airways)
Booking sample of cheap Etihad flights from Brussels to Melbourne, Australia for €724 return! Outbound from Belgium to Melbourne on the 8th of November. Inbound from Australia to Brussels main airport with a layover in Abu Dhabi, UAE on the 23rd of November 2021.