The average bus between Cahir and Portlaoise takes 4h 19m and the fastest bus takes 2h 2m. The bus service runs several times per day from Cahir 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 3 times a day between Cahir and Portlaoise. The earliest departure is at 9:15 AM in the morning, and the last departure from Cahir is at 7:23 PM which arrives into Portlaoise at 7:25 AM. All services require a transfer, and take on average 4h 19m. The schedules shown below are for the next available departures.

2h 2m • 1 change

2h 8m • 1 change
Arrives next day

12h 2m • 1 change

2h 2m • 1 change

2h 8m • 1 change
Arrives next day

12h 2m • 1 change
Want to know about travelling from Cahir 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 Cahir to Portlaoise. However, there are services departing from Cahir station and arriving at Portlaoise station via Cashel. The journey, including transfers, takes approximately 4h 19m.
Cahir to Portlaoise bus services, operated by Bus Éireann, depart from Cahir station.
Cahir to Portlaoise bus services, operated by Bus Éireann, arrive at Portlaoise Station.
The distance between Cahir and Portlaoise is 84.5 km. The road distance is 94 km.
You can take a bus from Cahir to Portlaoise Station via Cashel in around 2h 48m.