Nearly 4,700 non-Irish residents flew into Dublin Airport last week - an increase of 5 percent on the previous week.
A total of 10,613 people arrived into the airport last week - a drop of 3 percent.
Over 5,900 were Irish residents coming home from abroad, according to figures from the Department of Justice.
Meanwhile, the government's being urged to dramatically increase the number of countries on its quarantine list.
Yesterday the Health Minister said he "fully expects" the red list of 33 nations will be expanded, but failed to indicate by how much or when.
Ireland's mandatory hotel quarantine system's now up and running, with the first arrivals due on Friday.