The average bus between Howth and Portmarnock takes 1h 24m and the fastest bus takes 52 min. The bus runs at least 2 times per hour from Howth 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 Howth and Portmarnock. The earliest departure is at 4:51 AM at night, and the last departure from Howth is at 11:43 PM which arrives into Portmarnock at 12:45 AM. All services require a transfer at Sutton and take an average of 1h 24m. The schedules shown below are for the next available departures.

1h 7m • 1 change
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52 min • 1 change
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52 min • 1 change
1h 7m • 1 change
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52 min • 1 change
1h 7m • 1 change
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1h 10m • 1 change
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1h 14m • 1 change
1h 19m • 1 changeWant to know about travelling from Howth 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 Howth to Portmarnock. However, there are services departing from Sutton Stn station and arriving at Portmarnock Village station via Portmarnock Village station. The journey, including transfers, takes approximately 1h 24m.
Howth to Portmarnock bus services, operated by Go-Ahead Ireland, depart from Sutton Stn station.
Howth to Portmarnock bus services, operated by Go-Ahead Ireland, arrive at Portmarnock Village station.
The distance between Howth and Portmarnock is 6.2 km.
Go-Ahead Ireland operates a bus from Sutton Stn to Portmarnock Village every 30 minutes. Tickets cost €3 and the journey takes 12 min.