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
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
Booking sample of cheap Etihad flights from Brussels to Melbourne, Australia for €732 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.