The average bus between Killarney and Castleknock takes 5h 37m and the fastest bus takes 4h 59m. The bus service runs several times per day from Killarney to Castleknock. 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 3 hours between Killarney and Castleknock. The earliest departure is at 12:00 AM at night, and the last departure from Killarney is at 6:00 PM which arrives into Castleknock at 10:59 PM. All services require a transfer at Dublin Airport, Terminal 2 and take an average of 5h 37m. The schedules shown below are for the next available departures.


5h 34m • 2 changes


5h 17m • 2 changes


5h 34m • 2 changes


5h 40m • 2 changes


6h 55m • 2 changes


5h 32m • 2 changes


5h 29m • 2 changes


5h 37m • 2 changes


7h 6m • 2 changes


5h 8m • 2 changes


5h 20m • 2 changes


5h 28m • 2 changes


6h 38m • 2 changes


5h 14m • 2 changes


5h 22m • 2 changes


5h 28m • 2 changes


6h 53m • 2 changes


5h 25m • 2 changes


5h 27m • 2 changes


5h 37m • 2 changes


6h 53m • 2 changes


5h 25m • 2 changes


5h 27m • 2 changes


5h 37m • 2 changes
Want to know about travelling from Killarney to Castleknock? 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 Killarney to Castleknock. However, there are services departing from Killarney station and arriving at Castleknock station via Terminal 2 Zone 21. The journey, including transfers, takes approximately 5h 37m.
Killarney to Castleknock bus services, operated by Flight Link Limited, depart from Killarney Mission station.
Killarney to Castleknock bus services, operated by Flight Link Limited, arrive at Terminal 2 Zone 21 station.
The distance between Killarney and Castleknock is 257.1 km. The road distance is 339 km.
Flight Link Limited operates a bus from Killarney Mission to Terminal 2 Zone 21 every 4 hours, and the journey takes 3h 58m.