The average train between Portmarnock and Blanchardstown takes 1h 5m and the fastest train takes 42 min. There is an hourly train service from Portmarnock to Blanchardstown. 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 Blanchardstown. The earliest departure is at 6:22 AM in the morning, and the last departure from Portmarnock is at 11:39 PM which arrives into Blanchardstown at 5:41 AM. All services require a transfer, and take on average 1h 5m. The schedules shown below are for the next available departures.

48 min • 1 change
58 min • 1 change
48 min • 1 change
58 min • 1 change
1h 2m • 1 change
1h 43m • 1 change
58 min • 1 change
1h 1m • 1 change
1h 2m • 1 change
53 min • 1 change
42 min • 1 change
55 min • 1 changeWant to know about travelling from Portmarnock to Blanchardstown? 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 Blanchardstown. However, there are services departing from Portmarnock station and arriving at Blanchardstown station via Dublin Connolly. The journey, including transfers, takes approximately 1h 5m.
Portmarnock to Blanchardstown train services, operated by Iarnród Éireann (Irish Rail), depart from Portmarnock station.
Portmarnock to Blanchardstown train services, operated by Iarnród Éireann (Irish Rail), arrive at Castleknock station.
The distance between Portmarnock and Blanchardstown is 16.3 km. The road distance is 20 km.
You can take a train from Portmarnock to Castleknock via Dublin Connolly in around 1h 3m.