The average train between Dublin and Cobh takes 4h 3m and the fastest train takes 3h 26m. There is a train service every few hours from Dublin to Cobh. 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 Cobh. 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 Cobh at 5:56 AM. All services require a transfer, and take on average 4h 3m. The schedules shown below are for the next available departures.

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3h 26m • 1 changeWant to know about travelling from Dublin to Cobh? 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 Cobh. However, there are services departing from Dublin station and arriving at Cobh station via Cork. The journey, including transfers, takes approximately 4h 3m.
Dublin to Cobh train services, operated by Iarnród Éireann (Irish Rail), depart from Dublin Heuston station.
Dublin to Cobh train services, operated by Iarnród Éireann (Irish Rail), arrive at Cork station.
The distance between Dublin and Cobh is 215.1 km. The road distance is 284 km.
Iarnród Éireann (Irish Rail) operates a train from Dublin Heuston to Cork hourly. Tickets cost €22–35 and the journey takes 2h 35m.