Unlike other travellers from the US, who must quarantine for two weeks, the delegation was asked to isolate until Monday or until they received a negative covid-19 test result.
Mr Azar had not been aware of the country’s new Covid-19 restrictions and was reprimanded, the PM’s office told Haaretz.
Mr Luk, meanwhile, reportedly acknowledged he “should have been more careful” despite multiple changes to the instructions and pledged to pay the fine.
The country introduced sweeping new restrictions on the eve of the High Holy Days on Friday in a bid to halt the surging spread of the virus.
The total number of cases in Israel rose to 192,579, according to figures from John Hopkins University on Tuesday.