Originally Posted by
Leumas
While Qantas may be a good source for reliable information, they may also want to charge you additional surcharges as your friends will be classified as using SYD as a stop-over, not just transit.
In my view is not a stopover as less than 24 hours. 100's of people do this every week: go in the city for few hours whilst doing an internationial airline transit. Nought to do with QF - BA what you do between aircraft.