SQ: WAW -> ZRH -> SIN -> SYD -- US$2,000 in J one way
Decent availability. Sample date in June, with stopover built in ZRH and SIN.
Also works for major Australian cities
2 x segment of SQ A380 if you like to experience their 2018 J product from Europe to Australia.
flights.app.goo.gl/Z9Wmk
P/s: my first post - please be gentle. cant embed link.