Fly business enterprise Class to Bali for 28K factors** (when Jetstar charges $800!) ???? ???? **ideal for Aussies** in **Sydney, Melbourne & Brisbane** - this **Amex to Qantas hack** works for **Emirates, Fiji Airways & Cathay flights way too!** ???? **Tag your mate** who's nevertheless **having to pay hard cash for Jetstar flights** ???? ????