By bus
The Belfast to Dublin route is well serviced by bus, and there’s a joint cross-border bus service provided by Bus ireann, the Republic of Ireland’s bus service, and Ulsterbus for the Belfast to Dublin Airport or Dublin City route. Ulsterbus is operated by Translink, and is a division of Translink, Northern Ireland’s public transport operator, and the route to Dublin is operated by the Goldline Express. The departure point for bus travel from Belfast to Dublin is the Europa Bus Centre during the day and from Glengall Street at night. The Europa is a combined train/bus station, and is just a short distance from the Grand Opera House, and close to the Europa Hotel.
There’s an hourly service, day and night, from Belfast to Dublin Busaras or Dublin Airport, operated by Goldline Express or Bus Eireann. This is a pleasant journey where you can enjoy the fine scenery of the North East of Ireland. The journey takes about a 2 hours
It’s important to remember that nighttime services from Belfast operate from Glengall Street, not the Europa Centre, which closes at night.
For a full and comprehensive listing of bus services have a look at the Belfast to Dublin timetable.
The Europa Bus Station is located at Great Victoria Street, Belfast. Busaras in Dublin is located on Store Street, Dublin 1, and close to OConnell Street.
Due to competitive nature of the road route between Belfast and Dublin, there’s another independent coach operator called Air Coach which services the Belfast to Dublin Airport route. The route departs from Jurys Hotel Belfast and services Dublin Airport. Again, this journey would take 2 hours.
By rail
The train station in Belfast is located at Great Victoria Street, in the same complex as the Europa Bus Centre. Like with bus travel between the two cities, there’s a great cross-border service jointly operated by Northern Ireland Railways and Iarnrod Eireann (Ireland’s rail service). This service operates eight journeys in each direction Monday to Saturday, and 5 journeys on Sundays. The trip by rail takes just over two hours with some stops at Portadown, Newry, Drogheda, Dundalk and arriving at Dublin’s Connolly Station. Connolly Station is located on the Northside of the city on Amiens Street and is a short journey from Dublin city centre.
By car
If you’re driving from Belfast to Dublin is a very pleasant drive with plenty scenery and places of historic interest along the way. And to shorten the route, the main urban locations of Newry, Dundalk and Drogheda are now bypassed via the M1 motorway. There is a toll bridge, the Toll Plaza on the M1. Access for a car is just 1.80 Euros. From Belfast just follow signs for the M1.
Belfast & Dublin Airports
Belfast has two airports, the George Best Belfast City Airport and the Belfast International Airport. The former is located just 2 miles from Belfast city centre, and the latter is that bit further out, approximately 18 miles from the City Centre.