The average bus between Castleknock and Rosslare Harbour takes 4h 28m and the fastest bus takes 3h 42m. There is a bus service every few hours from Castleknock to Rosslare Harbour. 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 Castleknock and Rosslare Harbour. The earliest departure is at 7:55 AM in the morning, and the last departure from Castleknock is at 11:07 PM which arrives into Rosslare Harbour at 6:36 AM. All services require a transfer at Nassau Street and take an average of 4h 28m. The schedules shown below are for the next available departures.


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4h 12m • 2 changesWant to know about travelling from Castleknock to Rosslare Harbour? 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 Castleknock to Rosslare Harbour. However, there are services departing from Castleknock station and arriving at Rosslare Harbour station via Wexford Stn. The journey, including transfers, takes approximately 4h 28m.
Castleknock to Rosslare Harbour bus services, operated by Dublin Bus, depart from Merrion Square station.
Castleknock to Rosslare Harbour bus services, operated by Dublin Bus, arrive at Wexford Stn station.
The distance between Castleknock and Rosslare Harbour is 124.9 km. The road distance is 178 km.
Wexford Bus operates a bus from Merrion Square to Wexford Stn hourly. Tickets cost €17–25 and the journey takes 2h 25m. Expressway (Bus Éireann) also services this route hourly.