The average train between Belfast and Monkstown, County Dublin takes 2h 47m and the fastest train takes 2h 43m. There is a train service every few hours from Belfast to Monkstown, County 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 hourly between Belfast and Monkstown, County Dublin. The earliest departure is at 6:00 AM in the morning, and the last departure from Belfast is at 9:00 PM which arrives into Monkstown, County Dublin at 11:54 PM. All services require a transfer, and take on average 2h 47m. The schedules shown below are for the next available departures.

2h 53m • 1 change
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2h 43m • 1 changeWant to know about travelling from Belfast to Monkstown, County 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 Belfast to Monkstown, County Dublin. However, there are services departing from Belfast Grand Central station and arriving at Dublin Connolly station via Dublin Connolly station. The journey, including transfers, takes approximately 2h 47m.
Belfast to Monkstown, County Dublin train services, operated by Translink, depart from Belfast Grand Central station.
Belfast to Monkstown, County Dublin train services, operated by Translink, arrive at Dublin Connolly station.
The distance between Belfast and Monkstown, County Dublin is 145.7 km. The road distance is 174 km.
Translink operates a train from Belfast Grand Central to Dublin Connolly hourly. Tickets cost €20–29 and the journey takes 2h 13m. Iarnród Éireann (Irish Rail) also services this route twice a week.