Qatar Airways sale from Hong Kong is on now. Fly to Europe from 3200 HKG / 410 USD. Book by May 3rd and fly by June 21st. If you prefer to fly with Etihad then check them as well as some of the routes are discounted as well. For booking go to Qatar website, Etihad website or compare with travel agents.
and many more
TIP: If you using the travel agent chack fares in AUD (Australian Dollars) and USD (American Dollars) before booking