The average bus between Donegal and Portlaoise takes 6h 15m and the fastest bus takes 6h. There is a bus service every few hours from Donegal 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 Donegal and Portlaoise. The earliest departure is at 1:00 AM at night, and the last departure from Donegal is at 7:00 PM which arrives into Portlaoise at 1:30 AM. All services require a transfer at Dublin Airport Terminal 2 Zone 19 and take an average of 6h 15m. The schedules shown below are for the next available departures.

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Want to know about travelling from Donegal 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 Donegal to Portlaoise. However, there are services departing from Donegal station and arriving at Portlaoise station via Dublin Airport Terminal 2 Zone 19. The journey, including transfers, takes approximately 6h 15m.
Donegal to Portlaoise bus services, operated by Expressway (Bus Éireann), depart from Donegal station.
Donegal to Portlaoise bus services, operated by Expressway (Bus Éireann), arrive at Portlaoise JFL Avenue station.
The distance between Donegal and Portlaoise is 187.8 km. The road distance is 332 km.
You can take a bus from Donegal to Portlaoise JFL Avenue via Dublin Airport Terminal 2 Zone 19 and Dublin Airport Zone 16 in around 6h 12m.