The average train between Killarney and Tallaght takes 4h 6m and the fastest train takes 3h 46m. The train service runs several times per day from Killarney to Tallaght. 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 Killarney and Tallaght. The earliest departure is at 5:05 AM in the morning, and the last departure from Killarney is at 7:41 PM which arrives into Tallaght at 11:34 PM. All services require a transfer at Mallow and take an average of 4h 6m. The schedules shown below are for the next available departures.


3h 50m • 2 changes


4h 8m • 2 changes


3h 58m • 2 changes


3h 46m • 2 changes


3h 54m • 2 changes


4h 48m • 2 changes


3h 51m • 2 changes


3h 57m • 2 changes


5h 1m • 2 changes


4h 48m • 2 changes


3h 51m • 2 changes


3h 57m • 2 changes


5h 1m • 2 changes


4h 48m • 2 changes


3h 51m • 2 changes


3h 57m • 2 changes


5h 1m • 2 changes


4h 48m • 2 changes


3h 51m • 2 changes


3h 57m • 2 changes


5h 1m • 2 changes


4h 48m • 2 changes


3h 51m • 2 changes


3h 55m • 2 changes
Want to know about travelling from Killarney to Tallaght? 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 Killarney to Tallaght. However, there are services departing from Killarney station and arriving at Tallaght station via Mallow. The journey, including transfers, takes approximately 4h 6m.
Killarney to Tallaght train services, operated by Iarnród Éireann (Irish Rail), depart from Killarney station.
Killarney to Tallaght train services, operated by Iarnród Éireann (Irish Rail), arrive at Dublin Heuston station.
The distance between Killarney and Tallaght is 251.3 km. The road distance is 308 km.
You can take a train from Killarney to Tallaght via Mallow, Dublin Heuston, and Heuston in around 4h.