They include three outbound flights to Heathrow, Munich and Dusseldorf.
Aer Lingus says four more flights from Dublin Airport won't operate tomorrow due to Covid related staffing issues.
They include three outbound flights to Heathrow, Munich and Dusseldorf.
It brings to five the total number of cancellations by the airline for tomorrow, while six have been cut today.
Aer Lingus says it's working to re-accommodate affected passengers on the next available services.
Travel expert Michelle Walsh Jackson says travellers affected by the cancellations do have rights: