Thank you for your question!
Please advise that Australian passport holders are required a visa to Vietnam. You can apply for Vietnam visa on arrival online either at our website or at Vietnam Embassy. In case you fly to Vietnam, we highly recommend you to apply for visa online which not only save your money but also your time since it just takes you 1 or 2 working days to process your visa application.
Should you have more questions about Vietnam visa for Australians, please feel free to contact us at anytime.