The average train between Belfast and Portobello takes 2h 27m and the fastest train takes 2h 22m. There is a train service every few hours from Belfast to Portobello. 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 Portobello. 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 Portobello at 11:22 PM. All services require a transfer, and take on average 2h 27m. The schedules shown below are for the next available departures.

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Want to know about travelling from Belfast to Portobello? 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 Portobello. However, there are services departing from Belfast station and arriving at Portobello station via Dublin Connolly. The journey, including transfers, takes approximately 2h 27m.
Belfast to Portobello train services, operated by Iarnród Éireann (Irish Rail), depart from Belfast Great Central station.
Belfast to Portobello train services, operated by Iarnród Éireann (Irish Rail), arrive at Dublin Connolly station.
The distance between Belfast and Portobello is 142.5 km. The road distance is 181 km.
Translink operates a train from Belfast Great Central to Dublin Connolly hourly. Tickets cost €20–28 and the journey takes 2h 13m. Iarnród Éireann (Irish Rail) also services this route every 3 hours.