South Australia will ease a range of coronavirus restrictions next week, including a move to allow bigger family gatherings in time for Christmas.

Premier Steven Marshall says the changes follow a meeting of the transition committee on Tuesday and will all apply from December 14.

They were imposed last month after a cluster of COVID-19 cases was sparked when a guard a medi-hotel picked up the virus from a returned traveller.

Home gatherings will rise from 10 people to 50 while patrons in pubs and restaurants will be allowed to consume drinks while standing up

Other changes include increasing the size of funerals and weddings to 200 while the capacity in entertainment venues, such as theatres of cinemas, will rise from 50 per cent to 75 per cent.

The QR code check-in system will be expanded to the retail outlets and SA will drop its general recommendation for people to work from home.

SA reported no new COVID-19 cases on Tuesday leaving the Parafield cluster at 33.

But the state no longer has any active infections.

The eased restriction came as SA also resumed taking international flights bringing back Australians from overseas.

A plane from Singapore arrived on Tuesday morning with 72 people on board and more flights are expected later this week.

They will all be tested for the virus and if any test positive they will be moved to rooms on two dedicated floors of a quarantine hotel to keep them separated from other guests.

Those floors will have increased security.