Costco Australia opening hours are for the most part consistent across Australia.
With a few exceptions they are generally open at 10am on weekdays, 9:30am on Saturdays and 10am on Sundays and will close at 8:30pm on weeknights and 6:30pm on the weekends.
Costco Australia stores are also open almost every single day of the year with the exception of Australia Day, the Easter holiday period and Anzac Day. We will ensure that any public holiday closures of Costco stores are clearly communicated on the front page of the website and our Facebook page.
There are minor discrepancies for each State so please select one of the below to find the Costco opening times for your State: