Dublin Airport is set to have its busiest week since the beginning of the Covid-19 pandemic.
Almost 800,000 people are expected to go through the airport over the next 12 days.
This St Patrick's Day is the first one since the lifting of Covid-19 restrictions with people all over the world eager to celebrate.
They are expecting passenger numbers to be as high as 77,000 per day between Thursday 17 and Sunday 20 March.
Airport staff are encouraging people to have everything ready to go through security as delays are expected.
A spokesman said: "This coming 12- day period is expected to be the busiest the airport has seen since before Covid. In order to ensure the smoothest journey possible, Dublin Airport is advising passengers to prepare for security in advance and make their way directly to the security screening area once checked in.
"To help prepare for the security screening process, passengers are invited to visit the Security page on the Dublin Airport website here.
"Travellers are reminded that EU security regulations state that liquids over 100mls cannot be brought through the security screening area. Liquids under 100mls are permitted and should be placed in a transparent, re-sealable bag measuring not more than 20cm x 20cm. Exemptions are in place for medicines and for baby food.
"Passengers are also advised to check which terminal their flight is departing from prior to arriving in the airport, which you will be able to find here.
"With passenger numbers increasing and it being the first celebrations of St. Patrick’s Day in two years, Dublin Airport continues to advise passengers travelling on short-haul flights to allow a minimum of two hours before the boarding of their flight and three hours for long-haul flights.
"Those using a long-term car park should allow at least an extra 30 minutes.
"Dublin Airport wishes all passengers a safe and celebratory weekend ahead."
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