When travelling on such short distances, you can take into account also busses and carpooling options: with some luck you will find very cheap options, even if you book on short notice.
In which stations can you take the train to Dublin and where will you arrive?
You can take the train to Dublin at Malahide, which arrives at Dublin Heuston, Docklands or Tara Street.
What time do the trains to Dublin leave and how long is the journey?
The first train to Dublin leaves at 07:10, whereas the last one at 17:10. On average, the journey lasts 56 minutes, but with the fastest connections you will be in Dublin in 21 minutes.