Thousands of people are expected to pass through the country's airports today as the EU Digital Covid Cert's now live.
So that means anyone who is vaccinated, recovered from covid, or who has a negative PCR test can travel freely in Europe.
People from Britain or the US who've recovered or who have been vaccinated can also come here.
They don't have to self-isolate or provide a negative test.
300 flights will operate at Dublin airport today to and from the likes of Spain, Portugal, Italy, and the US.
This man told us he's delighted to be jetting off once again:
"My passport thinks I've been locked up," he said as he laughed.
"The last time we were away was probably October 2019 - we went to Scotland."
Another man says it's his first time away in 2 years.
