Originally Posted by
Off.Grid
btw I contacted QF as I noticed the ex-CAI base DONE4 fare for the oneworld online booking portal in many situations (BA, RJ, etc) was approx $1000 AUD more than that quoted on ExpertFlyer.
Note the QR base fare is in USD while other oneworld airlines publishing a fare are using EGP. This leads to a discrepancy that may be around 1000AUD. Even if you use another airline's ticket plate, the base fare may potentially be calculated using the QR fare if the first inter-TC flight (Europe/ME to Americas or Europe/ME to Asia/Australia) is on QR.