The average train between Arklow and Portmarnock takes 3h 2m and the fastest train takes 1h 54m. The train service runs several times per day from Arklow to Portmarnock. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run 5 times a day between Arklow and Portmarnock. The earliest departure is at 5:58 AM in the morning, and the last departure from Arklow is at 10:33 PM which arrives into Portmarnock at 6:40 AM. All services require a transfer, and take on average 3h 2m. The schedules shown below are for the next available departures.

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2h 22m • 1 changeWant to know about travelling from Arklow to Portmarnock? 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 train from Arklow to Portmarnock. However, there are services departing from Arklow station and arriving at Portmarnock station via Dublin Connolly. The journey, including transfers, takes approximately 3h 2m.
Arklow to Portmarnock train services, operated by Iarnród Éireann (Irish Rail), depart from Arklow station.
Arklow to Portmarnock train services, operated by Iarnród Éireann (Irish Rail), arrive at Dublin Connolly station.
The distance between Arklow and Portmarnock is 69.4 km. The road distance is 92 km.
Iarnród Éireann (Irish Rail) operates a train from Arklow to Dublin Connolly 5 times a day. Tickets cost €8–12 and the journey takes 1h 45m.