The average bus between Heuston and Portmarnock takes 1h 15m and the fastest bus takes 59 min. The bus runs at least 2 times per hour from Heuston 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.
Buses run every 30 minutes between Heuston and Portmarnock. The earliest departure is at 4:35 AM at night, and the last departure from Heuston is at 11:35 PM which arrives into Portmarnock at 12:45 AM. All services require a transfer at Custom Hse Quay and take an average of 1h 15m. The schedules shown below are for the next available departures.

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1h 5m • 1 changeWant to know about travelling from Heuston 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 bus from Heuston to Portmarnock. However, there are services departing from Heuston Station and arriving at Portmarnock Village station via Custom Hse Quay station. The journey, including transfers, takes approximately 1h 15m.
Heuston to Portmarnock bus services, operated by Dublin Express, depart from Heuston Station.
Heuston to Portmarnock bus services, operated by Dublin Bus, arrive at Portmarnock Village station.
The distance between Heuston and Portmarnock is 13.4 km. The road distance is 15 km.
You can take a bus from Heuston Station to Portmarnock Village via Custom Hse Quay and Busáras in around 1h 21m.