Remittance fees from Singapore to the Philippines can vary widely depending on the service provider you choose. Generally, traditional banks may charge higher fees compared to online money transfer services like GCash or PayPal. On average, you might expect to pay anywhere from AUD 5 to AUD 30 per transaction. It's important to compare rates and fees from different providers to find the best option for your needs. For the most accurate information, check the official websites of the remittance services you are considering.