The average train between Finglas and Portmarnock takes 54 min and the fastest train takes 33 min. There is an hourly train service from Finglas 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 Finglas and Portmarnock. The earliest departure is at 6:29 AM in the morning, and the last departure from Finglas is at 11:42 PM which arrives into Portmarnock at 12:20 AM. All services require a transfer, and take on average 54 min. The schedules shown below are for the next available departures.

38 min • 1 change

39 min • 1 change

38 min • 1 change

39 min • 1 change

51 min • 1 change

1h 18m • 1 change

1h 18m • 1 change

38 min • 1 change

41 min • 1 change

48 min • 1 change

47 min • 1 change

37 min • 1 change
Want to know about travelling from Finglas 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 Finglas to Portmarnock. However, there are services departing from Finglas station and arriving at Portmarnock station via Dublin Connolly. The journey, including transfers, takes approximately 54 min.
Finglas to Portmarnock train services, operated by Iarnród Éireann (Irish Rail), depart from Broombridge station.
Finglas to Portmarnock train services, operated by Iarnród Éireann (Irish Rail), arrive at Portmarnock station.
The distance between Finglas and Portmarnock is 11.3 km. The road distance is 15 km.
You can take a train from Broombridge to Portmarnock via Dublin Connolly in around 52 min.