Travellers in Benelux have some great option to Australia when flying on board of top ranked SIngapore AIrtlines, ranked by 5-stars (by Skytrax). Return flights from Luxembourg or Brussels to Austalia are now available from just €657. All charges and fees and checked bag are included. Look for flights to various cities in Australia such as Perth, Melbourne, Brisbane or Sydney. Still a competitive solution is also available from Amsterdam. (Return tickets from €766). Note that European leg is based on their partners Luxair or a Star Alliance member Lufthansa. Considering that Singapore Airlines offers an outstanding on-board service this is great value for your money..
If interested in this SIngapore Airliens promotion you will find plenty of travel options till June then from September till beginning of December 2017. Max stay 3 months.
Booking samples
Luxembourg - Perth from €657 (Choose Skyscanner DE or NL)
Travel dates.: You can easily compare easily directly at Singapore AIrlines website. (You can also book a bit more expensive flights directly with this carrier).
Booking sample of cheap *5 Singapore Airlines flights from Benelux to Australia from €657 here. IN this case you would depart from Luxembourg to Perth on 23rd of October. Your return flight from Australia back to Europe would be on 12th of November 2017.