For the cheapest flights to Copenhagen Kastrup book 3 days before departure.
The most popular airlines on the route Dublin Airport - Copenhagen Kastrup: Ryanair (FR), SAS (SK), Finnair (AY).
Direct flights last about 2h 10min.
Direct flights are available 7 days a week.
Direct flights: Norwegian Air International (D8), Norwegian Air Shuttle (DY), Ryanair (FR).