Fly Business Class to Bali for 28K factors** (when Jetstar charges $800!) ???? ???? **ideal for Aussies** in **Sydney, Melbourne & Brisbane** - this **Amex to Qantas hack** performs for **Emirates, Fiji Airways & Cathay flights too!** ???? **Tag your mate** who's however **paying hard cash for Jetstar flights** ???? ???? **remark 'factors'** to