Aer Lingus has announced six new routes for its winter schedule.
It is also adding 25 new flights a week on existing routes from Dublin and Cork airports.
The new routes from Dublin are to the Romanian capital Bucharest, Agadir in Morocco, Helsinki in Finland and Funchal in Portugal.
Aer Lingus is also recommencing its routes from Dublin to Copenhagen and Cork to Munich.
Summer services from Dublin to Vilnius and Cork to Manchester have been extended to winter, while additional capacity will be added on 14 other routes.