Don't forget to buy food and drinks in advance if you need them: train stations do not always have shops, while onboard cafés are not always available and often very expensive.
Since the journey between Killarney and Dublin is relatively short, you can consider carpooling or bus as alternative ways of transport with cheapest prices and similar duration.
What are the departure and arrival stations in Killarney and Dublin?
The trains to Dublin leave Killarney from Killarney and arrive in Docklands, Dublin Pearse, Dublin Connolly, Dublin Heuston or Tara Street.
How many train connections exist to go from Killarney to Dublin per day?
If you desire to go to Dublin from Killarney by train, 13 daily connections are available. Please note that these routes are all indirect lines. Thus, you will never have to change trains.
How long does it take from Killarney to Dublin and when do the trains leave?
With the fastest connections you will be in Dublin in 3 hours and 52 minutes, but on average it takes 4 hours and 19 minutes. The first train headed to Dublin is at 06:12, while the last one leaves Killarney at 15:08.