The average train between Killarney and Dublin takes 3h 29m and the fastest train takes 3h 9m. The train service runs several times per day from Killarney to Dublin. 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 Dublin. 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 Dublin at 11:01 PM. All services require a transfer, and take on average 3h 29m. The schedules shown below are for the next available departures.

3h 10m • 1 change

3h 26m • 1 change

3h 19m • 1 change

3h 9m • 1 change

3h 15m • 1 change

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3h 17m • 1 change

3h 18m • 1 change

4h 24m • 1 change

4h 12m • 1 change

3h 17m • 1 change

3h 18m • 1 change

4h 24m • 1 change

4h 12m • 1 change

3h 17m • 1 change

3h 18m • 1 change

4h 24m • 1 change

4h 12m • 1 change

3h 17m • 1 change

3h 18m • 1 change

4h 24m • 1 change

4h 12m • 1 change

3h 17m • 1 change

3h 18m • 1 change
Want to know about travelling from Killarney to Dublin? 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 Dublin. However, there are services departing from Killarney station and arriving at Dublin station via Mallow. The journey, including transfers, takes approximately 3h 29m.
Killarney to Dublin train services, operated by Iarnród Éireann (Irish Rail), depart from Killarney station.
Killarney to Dublin train services, operated by Iarnród Éireann (Irish Rail), arrive at Dublin Heuston station.
The distance between Killarney and Dublin is 261.1 km. The road distance is 297 km.
You can take a train from Killarney to Dublin Heuston via Mallow in around 3h 26m.