Date Time New arrival requirements for travellers arriving at Adelaide Airport, South Australia As of 12:01am Wednesday 14 April 2021, there is a new “Self Check-in” for travellers arriving in South Australia at Adelaide Airport. All travellers who wish to enter South Australia are required to complete and lodge a Cross Border Travel Registration prior to their travel. Prior to the arrival date travellers will receive an email from the South Australia Police which contains a link allowing them to automatically self-check-in upon arrival. Other options available on the email will allow the traveller to advise they are no longer travelling. Should a traveller have an on-going approval to travel they may use the same email to check-in each time they arrive.