Direct flight Copenhagen to Ireland:

Copenhagen To Dublin

Flights Copenhagen to Ireland with 1 stopover:

Flights via Cork (ORK)
From Copenhagen (CPH), Denmark with British Airways Transfer at London Heathrow (LHR) Then on to Cork (ORK) with British Airways
Flights via Schiphol Amsterdam (AMS)
From Copenhagen (CPH), Denmark with Air Canada
OR
From Copenhagen (CPH), Denmark with KLM
Transfer at Schiphol Amsterdam (AMS) Then on to Cork (ORK) with Aer Lingus
OR
Then on to Cork (ORK) with KLM
Flights via Paris Charles de Gaulle (CDG)
From Copenhagen (CPH), Denmark with Air France Transfer at Paris Charles de Gaulle (CDG) Then on to Cork (ORK) with Aer Lingua