Samoa government's closed inter-Samoa flights under the original emergency declaration last month and remained closed under a new extension for 30-days.
American Samoa followed suit on 23 March.
During a briefing of cabinet members on Covid-19, the territory's health director Motusa Tuileama Nua, said the health department recommended a continuation of the closure of the Samoa and American Samoa route, even if Samoa lifted its ban on air service.
Motusa said this action would further protect the territory, which at this point had no Covid-19 cases.