To make it as easy as possible when travelling to Ireland, for visiting guests or guests returning home, Aer Lingus has have compiled all the information you need here so you can be as prepared as possible.
https://www.aerlingus.com/support/covid19-information/entry-requirements-for-ireland/
The safety and wellbeing of our guests is our number one priority. In light of Covid-19, we’re introducing new measures to maintain our high standards of health and safety. That means flying with us is going to look a little different for a while.When you’re ready to fly again, we’re here.
The new safety measures to keep us safe and well are available to download here. Aer Lingus Covid Travel Communication.
You also need to bring a completed ‘Traveller+public+health+declaration’ which is mandatory for all Schiphol departing/arriving/transferring passengers.