The Tánaiste says international travel at significant rates might not return by Christmas.
It comes as the government has extended level five restrictions until March 5th - with no guarantee they'll end then.
New laws are on the way to enforce mandatory quarantine for a limited number of people arriving into Ireland.
But opposition parties believe the government should go further and enforce mandatory quarantine for everyone arriving to Ireland.
Tánaiste Leo Varadkar believes that approach would lead to years of travel restrictions for the country;