The average train between Dundalk and Portmarnock takes 1h 34m and the fastest train takes 1h 7m. The train service runs several times per day from Dundalk 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 every 4 hours between Dundalk and Portmarnock. The earliest departure is at 5:30 AM in the morning, and the last departure from Dundalk is at 10:16 PM which arrives into Portmarnock at 8:21 AM. All services require a transfer, and take on average 1h 34m. The schedules shown below are for the next available departures.

1h 43m • 1 change

1h 19m • 1 change

1h 14m • 1 change

1h 26m • 1 change

1h 43m • 1 change

1h 19m • 1 change

1h 14m • 1 change

1h 26m • 1 change

1h 43m • 1 change

1h 19m • 1 change

1h 14m • 1 change

1h 26m • 1 change

1h 43m • 1 change

1h 19m • 1 change

1h 14m • 1 change

1h 26m • 1 change

1h 9m • 1 change

1h 12m • 1 change

1h 12m • 1 change

1h 12m • 1 change

1h 13m • 1 change

1h 7m • 1 change

1h 8m • 1 change

1h 7m • 1 change
Want to know about travelling from Dundalk 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 Dundalk to Portmarnock. However, there are services departing from Dundalk station and arriving at Portmarnock station via Drogheda Macbride. The journey, including transfers, takes approximately 1h 34m.
Dundalk to Portmarnock train services, operated by Translink, depart from Dundalk station.
Dundalk to Portmarnock train services, operated by Translink, arrive at Portmarnock station.
The distance between Dundalk and Portmarnock is 66.9 km. The road distance is 76 km.
You can take a train from Dundalk to Portmarnock via Drogheda in around 1h 52m.