The average train between Portmarnock and Dundalk takes 1h 59m and the fastest train takes 1h 17m. There is a train service every few hours from Portmarnock to Dundalk. 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 Portmarnock and Dundalk. The earliest departure is at 6:24 AM in the morning, and the last departure from Portmarnock is at 11:44 PM which arrives into Dundalk at 6:49 AM. All services require a transfer, and take on average 1h 59m. The schedules shown below are for the next available departures.

1h 17m • 1 change

1h 34m • 1 change

1h 25m • 1 change

1h 36m • 1 change

1h 17m • 1 change

1h 34m • 1 change

1h 25m • 1 change

1h 36m • 1 change

1h 17m • 1 change

1h 34m • 1 change

1h 25m • 1 change

1h 36m • 1 change
Want to know about travelling from Portmarnock to Dundalk? 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 Dundalk. However, there are services departing from Portmarnock station and arriving at Dundalk station via Dublin Connolly. The journey, including transfers, takes approximately 1h 59m.
Portmarnock to Dundalk train services, operated by Iarnród Éireann (Irish Rail), depart from Portmarnock station.
Portmarnock to Dundalk train services, operated by Iarnród Éireann (Irish Rail), arrive at Dundalk station.
The distance between Portmarnock and Dundalk is 66.9 km. The road distance is 97 km.
You can take a train from Portmarnock to Dundalk via Dublin Connolly in around 1h 45m.