The average train between Tallaght and Killarney takes 4h 50m and the fastest train takes 3h 50m. The train service runs several times per day from Tallaght to Killarney. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run every 4 hours between Tallaght and Killarney. The earliest departure is at 6:24 AM in the morning, and the last departure from Tallaght is at 8:24 PM which arrives into Killarney at 7:45 AM. All services require a transfer at Heuston and take an average of 4h 50m. The schedules shown below are for the next available departures.


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3h 57m • 2 changesWant to know about travelling from Tallaght to Killarney? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct train from Tallaght to Killarney. However, there are services departing from Tallaght station and arriving at Killarney station via Mallow. The journey, including transfers, takes approximately 4h 50m.
Tallaght to Killarney train services, operated by Luas, depart from Dublin Heuston station.
Tallaght to Killarney train services, operated by Luas, arrive at Killarney station.
The distance between Tallaght and Killarney is 251.3 km. The road distance is 308 km.
You can take a vehicle from Tallaght to Killarney via Heuston, Dublin Heuston, and Mallow in around 4h 36m.