The average bus between Dundalk and Portlaoise takes 3h 52m and the fastest bus takes 3h 17m. There is a bus service every few hours from Dundalk 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 Dundalk and Portlaoise. The earliest departure is at 3:33 AM at night, and the last departure from Dundalk is at 9:33 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 3h 52m. The schedules shown below are for the next available departures.

3h 57m • 1 change

3h 57m • 1 change

3h 17m • 1 change

3h 57m • 1 change

3h 57m • 1 change

3h 57m • 1 change

3h 17m • 1 change

3h 57m • 1 change

3h 57m • 1 change

3h 57m • 1 change

3h 17m • 1 change

3h 57m • 1 change
Want to know about travelling from Dundalk 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 Dundalk to Portlaoise. However, there are services departing from Dundalk station and arriving at Portlaoise station via Dublin Airport Terminal 2 Zone 19. The journey, including transfers, takes approximately 3h 52m.
Dundalk to Portlaoise bus services, operated by Expressway (Bus Éireann), depart from Stapleton Place station.
Dundalk to Portlaoise bus services, operated by Expressway (Bus Éireann), arrive at Portlaoise JFL Avenue station.
The distance between Dundalk and Portlaoise is 122.3 km. The road distance is 176 km.
You can take a bus from Stapleton Place to Portlaoise JFL Avenue via Dublin Airport Terminal 2 Zone 19 and Dublin Airport Zone 16 in around 3h 40m.