There have been cheaper RTW fares in the past, but this might be of interest and good timing for someone who wants to fly on a genuinely awesome airline!
Continent Orders:
Australia – Asia – Europe – North America – Asia – Australia
Australia – Asia – North America – Europe – Asia – Australia
Stopover Options:
You can fly in to one destination and out of another to create open stopovers
Asian City: Hong Kong
European cities:
London, Manchester, Frankfurt, Milan, Paris, Rome, Madrid, Dusseldorf, and Zurich.
North American cities:
Zone 1) NYC, Boston, Dallas, Philadelphia, Chicago, Vancouver, Toronto.
Zone 2) Los Angeles, San Francisco
Airline: Cathay Pacific, oneworld
Destination: Round the World
Class: Economy
From $1963 inc taxes
NOTE
Seasons: Low Season Departures: 01 Mar- 23 Mar 18. Shoulder: 24 Mar - 04 Jun 18 & 13 Jul - 26 Sep 18. High: 05 Jun - 12 Jul 18.
Departure ports: Sydney, Melbourne, Brisbane, Adelaide, Perth, Cairns.
Book by: October 3, 2017
Deposit to book: 150.00
Full payment by: 3 days of reservation.
Change fee: 150.00
Lead in price: Melbourne - Hong Kong - NYC - Rome - Hong Kong - Melbourne. Transits in Hong Kong.
Baggage: 1-2 Pieces depending on the leg of the trip, inquire for details.
Either give them a call on 1300 318 227 to price the fare, or head to https://www.roundabouttravel.com.au/airfare-deals/price-my-a… - you can even use their RTW trip planner tool to piece together your trip if you wish. Following the below routing guidelines, once you have your perfect itinerary, you can then give them a call or an email which will save time for them to get it organised for you! The tool can be found here http://www.roundabouttravel.com.au/plan-my-trip/
You could also get a basic price from these guys and then take into your local Flight Centre for price match if you wish to physically speak to a human. Unless you're in Adelaide and then you can simply go to Roundabout Travel and ask them yourselves.
What airline would be the EU->NA / NA->EU flights be on, as CX doesn't do those routes.