The average bus between Belfast Harbour and Dublin takes 2h 51m and the fastest bus takes 2h 38m. There is a bus service every few hours from Belfast Harbour 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.
Buses run hourly between Belfast Harbour and Dublin. The earliest departure is at 6:48 AM in the morning, and the last departure from Belfast Harbour is at 11:13 PM which arrives into Dublin at 3:35 AM. All services require a transfer at Catalyst Inc and take an average of 2h 51m. The schedules shown below are for the next available departures.
Arrives next day

2h 47m • 1 change
Arrives next day

4h 22m • 1 change

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2h 45m • 1 change
Want to know about travelling from Belfast Harbour 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 bus from Belfast Harbour to Dublin. However, there are services departing from Belfast Harbour station and arriving at Dublin station via The Gresham Hotel. The journey, including transfers, takes approximately 2h 51m.
Belfast Harbour to Dublin bus services, operated by Translink, depart from Europa Bus Centre station.
Belfast Harbour to Dublin bus services, operated by Translink, arrive at The Gresham Hotel station.
The distance between Belfast Harbour and Dublin is 144.6 km. The road distance is 174 km.
Aircoach operates a bus from Europa Bus Centre to The Gresham Hotel hourly. Tickets cost €15–21 and the journey takes 2h 25m.