The average train between Dublin and William Street takes 2h 5m and the fastest train takes 1h 58m. There is a train service every few hours from Dublin to William Street. 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 hourly between Dublin and William Street. The earliest departure is at 6:00 AM in the morning, and the last departure from Dublin is at 9:00 PM which arrives into William Street at 11:07 PM. All services require a transfer at Limerick Junction and take an average of 2h 5m. The schedules shown below are for the next available departures.

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2h 8m • 1 changeWant to know about travelling from Dublin to William Street? 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 Dublin to William Street. However, there are services departing from Dublin Heuston station and arriving at Limerick station via Limerick Junction station. The journey, including transfers, takes approximately 2h 5m.
Dublin to William Street train services, operated by Iarnród Éireann (Irish Rail), depart from Dublin Heuston station.
Dublin to William Street train services, operated by Iarnród Éireann (Irish Rail), arrive at Limerick station.
The distance between Dublin and William Street is 175.6 km. The road distance is 195 km.
You can take a train from Dublin Heuston to William Street via Limerick Junction and Limerick in around 2h 54m.