The average bus between Blanchardstown and Portmarnock Beach takes 1h 24m and the fastest bus takes 1h 2m. The bus runs at least 2 times per hour from Blanchardstown to Portmarnock Beach. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run every 30 minutes between Blanchardstown and Portmarnock Beach. The earliest departure is at 4:32 AM at night, and the last departure from Blanchardstown is at 11:38 PM which arrives into Portmarnock Beach at 12:41 AM. All services require a transfer at Marino Crescent Pk and take an average of 1h 24m. The schedules shown below are for the next available departures.

1h 5m • 1 change

1h 5m • 1 change
Arrives next day

1h 15m • 1 change

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1h 10m • 1 change

1h 21m • 1 change

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1h 32m • 1 change

1h 19m • 1 change

1h 13m • 1 change
Want to know about travelling from Blanchardstown to Portmarnock Beach? 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 bus from Blanchardstown to Portmarnock Beach. However, there are services departing from Blanchardstown station and arriving at Portmarnock Beach station via Marino Crescent Pk. The journey, including transfers, takes approximately 1h 24m.
Blanchardstown to Portmarnock Beach bus services, operated by Dublin Bus, depart from Mill Road station.
Blanchardstown to Portmarnock Beach bus services, operated by Dublin Bus, arrive at Saint Rita's House station.
The distance between Blanchardstown and Portmarnock Beach is 17.3 km. The road distance is 29 km.
You can take a bus from Mill Road to Saint Rita's House via Marino Crescent Pk and Howth Road in around 1h 37m.