The average train between Portmarnock and Arklow takes 3h 25m and the fastest train takes 2h 5m. The train service runs several times per day from Portmarnock to Arklow. 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 4 times a day between Portmarnock and Arklow. The earliest departure is at 9:13 AM in the morning, and the last departure from Portmarnock is at 11:44 PM which arrives into Arklow at 9:37 AM. All services require a transfer, and take on average 3h 25m. The schedules shown below are for the next available departures.

2h 24m • 1 change

2h 23m • 1 change

2h 26m • 1 change

2h 29m • 1 change

2h 5m • 1 change

2h 24m • 1 change

2h 23m • 1 change

2h 26m • 1 change

2h 5m • 1 change

2h 24m • 1 change

2h 23m • 1 change

2h 26m • 1 change

2h 5m • 1 change

2h 24m • 1 change

2h 23m • 1 change

2h 26m • 1 change
Want to know about travelling from Portmarnock to Arklow? 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 Portmarnock to Arklow. However, there are services departing from Portmarnock station and arriving at Arklow station via Arklow. The journey, including transfers, takes approximately 3h 25m.
Portmarnock to Arklow train services, operated by Iarnród Éireann (Irish Rail), depart from Dublin Connolly station.
Portmarnock to Arklow train services, operated by Iarnród Éireann (Irish Rail), arrive at Arklow station.
The distance between Portmarnock and Arklow is 69.4 km. The road distance is 92 km.
Iarnród Éireann (Irish Rail) operates a train from Dublin Connolly to Arklow 5 times a day. Tickets cost €8–12 and the journey takes 1h 43m.