The average bus between Portlaoise and Killarney takes 4h 15m and the fastest bus takes 3h 55m. The bus service runs several times per day from Portlaoise to Killarney. 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 every 4 hours between Portlaoise and Killarney. The earliest departure is at 6:40 AM in the morning, and the last departure from Portlaoise is at 5:35 PM which arrives into Killarney at 9:35 PM. All services require a transfer, and take on average 4h 15m. The schedules shown below are for the next available departures.

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Want to know about travelling from Portlaoise to Killarney? 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 Portlaoise to Killarney. However, there are services departing from Portlaoise station and arriving at Killarney station via Limerick Arthur's Quay. The journey, including transfers, takes approximately 4h 15m.
Portlaoise to Killarney bus services, operated by J.J.Kavanagh & Sons, depart from Portlaoise JFL Avenue station.
Portlaoise to Killarney bus services, operated by J.J.Kavanagh & Sons, arrive at Killarney Mission Road station.
The distance between Portlaoise and Killarney is 184.3 km. The road distance is 222 km.
You can take a bus from Portlaoise JFL Avenue to Killarney Mission Road via Limerick Arthur's Quay in around 4h 15m.