As of 1 September 2020, there are various options for those looking for flights from Sydney to Manila including:
Special flights by the Philippine Airlines (twice a month or so)
All Nippon Airways
The next PAL flights are on 26 September and 18 October. Registration and booking are done directly through PAL and there is no required endorsement or referral from the Philippine Consulate General in Sydney or another Philippine Embassy/Consulate.
Dual citizens are advised to seek travel exemption from the Australian Border Affairs and Home Affairs Department.