The average bus between Dublin Port and Belfast Port takes 3h 36m and the fastest bus takes 2h 53m. The bus service runs several times per day from Dublin Port to Belfast Port. 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 4 times a day between Dublin Port and Belfast Port. The earliest departure is at 4:37 AM at night, and the last departure from Dublin Port is at 11:51 PM which arrives into Belfast Port at 6:18 AM. All services require a transfer at Terminal 1 Zone 2 and take an average of 3h 36m. The schedules shown below are for the next available departures.


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2h 53m • 2 changesWant to know about travelling from Dublin Port to Belfast Port? 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 Dublin Port to Belfast Port. However, there are services departing from Dublin Port station and arriving at Belfast Port station via Belfast Glengall. The journey, including transfers, takes approximately 3h 36m.
Dublin Port to Belfast Port bus services, operated by Aircoach, depart from Terminal 1 Zone 2 station.
Dublin Port to Belfast Port bus services, operated by Aircoach, arrive at Belfast Glengall station.
The distance between Dublin Port and Belfast Port is 143.7 km. The road distance is 177 km.
Aircoach operates a bus from Terminal 1 Zone 2 to Belfast Glengall hourly. Tickets cost £12–18 and the journey takes 1h 50m.