United States to Australia visa requirements

U.S. citizens need an ETA (subclass 601) before travel. Apply in the official Australian ETA app; the service fee is AUD 20. U.S. ordinary passport holders need an Electronic Travel Authority (ETA, subclass 601) before travelling to Australia for short tourism, family visits, cruises, or business visitor activities. Home Affairs lists the United States as ETA-eligible and says the ETA is applied for through the Australian ETA app; there is no Visa Application Charge, but the app service fee is AUD 20. Australian government mission guidance warns that website applications, fees above AUD 20, or claims of expedited premium ETA service are scam signals. The ETA is valid for 12 months from grant or until passport expiry, whichever is shorter, allows multiple entries, and each visit can be up to 3 months. Tourism, business visitor activities, and study or training up to 3 months are covered. Paid work, longer study, health/character concerns, or stays longer than 3 months require a different visa, usually a Visitor visa (subclass 600) or another purpose-specific visa.