The average train between Clonsilla and Portmarnock takes 1h 15m and the fastest train takes 51 min. There is a train service every few hours from Clonsilla 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 hourly between Clonsilla and Portmarnock. The earliest departure is at 6:13 AM in the morning, and the last departure from Clonsilla is at 11:30 PM which arrives into Portmarnock at 7:19 AM. All services require a transfer, and take on average 1h 15m. The schedules shown below are for the next available departures.

1h 11m • 1 change

59 min • 1 change

1h 5m • 1 change

54 min • 1 change

57 min • 1 change

1h 5m • 1 change

1h 4m • 1 change

57 min • 1 change

1h 13m • 1 change

1h 13m • 1 change

1h 2m • 1 change

52 min • 1 change
Want to know about travelling from Clonsilla 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 Clonsilla to Portmarnock. However, there are services departing from Clonsilla station and arriving at Portmarnock station via Dublin Connolly. The journey, including transfers, takes approximately 1h 15m.
Clonsilla to Portmarnock train services, operated by Iarnród Éireann (Irish Rail), depart from Clonsilla station.
Clonsilla to Portmarnock train services, operated by Iarnród Éireann (Irish Rail), arrive at Portmarnock station.
The distance between Clonsilla and Portmarnock is 19.1 km. The road distance is 24 km.
You can take a train from Clonsilla to Portmarnock via Dublin Connolly in around 1h 8m.