The average bus between Santry and Portmarnock takes 1h 8m and the fastest bus takes 52 min. The bus runs at least 2 times per hour from Santry 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 Santry and Portmarnock. The earliest departure is at 5:19 AM in the morning, and the last departure from Santry is at 11:21 PM which arrives into Portmarnock at 12:24 AM. All services require a transfer at Howth Junction and take an average of 1h 8m. The schedules shown below are for the next available departures.

58 min • 1 change

56 min • 1 change

54 min • 1 change
Arrives next day

53 min • 1 change

1h 1m • 1 change

1h 1m • 1 change

1h 1m • 1 change

1h 2m • 1 change

59 min • 1 change

1h 3m • 1 change

59 min • 1 change

1h 3m • 1 change
Want to know about travelling from Santry 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 Santry to Portmarnock. However, there are services departing from Santry station and arriving at Portmarnock station via Howth Junction. The journey, including transfers, takes approximately 1h 8m.
Santry to Portmarnock bus services, operated by Dublin Bus, depart from Santry Villas station.
Santry to Portmarnock bus services, operated by Dublin Bus, arrive at Howth Junction station.
The distance between Santry and Portmarnock is 7.8 km. The road distance is 12 km.
Go-Ahead Ireland operates a bus from Santry Villas to Howth Junction every 15 minutes. Tickets cost €3 and the journey takes 32 min.