Large volumes of travel might not be possible by Christmas even if everyone gets vaccinated by September.
That's according to the Tánaiste who's said he can't promise international travel will return this summer or winter.
It comes after the government announced plans for mandatory quarantine for people who arrive in Ireland from South Africa, Brazil or without a negative PCR test.
The Level Five Covid-19 lockdown has been extended until the 5th of March.
Tánaiste Leo Varadkar says restrictions on travel might last much longer than that, even once everyone gets vaccinated