The average bus between Belfast and Portlaoise takes 4h 39m and the fastest bus takes 4h 20m. There is a bus service every few hours from Belfast to Portlaoise. 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 and Portlaoise. The earliest departure is at 1:50 AM at night, and the last departure from Belfast is at 9:50 PM which arrives into Portlaoise at 2:30 AM. All services require a transfer at Dublin Airport Terminal 1 Zone 1 and take an average of 4h 39m. The schedules shown below are for the next available departures.

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Want to know about travelling from Belfast to Portlaoise? 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 to Portlaoise. However, there are services departing from Belfast station and arriving at Portlaoise station via Dublin Airport Terminal 1 Zone 1. The journey, including transfers, takes approximately 4h 39m.
Belfast to Portlaoise bus services, operated by Dublin Express, depart from Grand Central Station.
Belfast to Portlaoise bus services, operated by Dublin Express, arrive at Portlaoise JFL Avenue station.
The distance between Belfast and Portlaoise is 195.8 km. The road distance is 256 km.
You can take a bus from Grand Central Station to Portlaoise JFL Avenue via Dublin Airport Terminal 1 Zone 1 and Dublin Airport Zone 16 in around 4h 19m.