Bus from Ballymun to Portmarnock
1 direct route · about 57 min · first and last bus 17:20 (weekdays).
Next buses to Portmarnock as of 07:11
Scheduled times at the boarding stop in Ballymun, from the operators' timetables — they update automatically. Open the stop for live tracking.
Direct routes
| Route | Operator | Journey time | Weekday journeys | Days | First | Last | Board at | Get off at | Calls at |
|---|---|---|---|---|---|---|---|---|---|
| 42D | Bus Átha Cliath – Dublin Bus | ~57 min | 1 | weekdays only | 17:20 | 17:20 | Ballymun Library | Portmarnock Village | Swords & Malahide |
Times are for the first boarding point in Ballymun on each route's weekday timetable — open the route for the full timetable, live map and every stop.
The same number runs elsewhere in the UK — see every 42D bus timetable.
Frequently asked questions
Which bus goes from Ballymun to Portmarnock?
The 42D (Bus Átha Cliath – Dublin Bus) runs directly from Ballymun to Portmarnock. Board at Ballymun Library and get off at Portmarnock Village; the journey takes about 57 minutes.
How long does the bus take from Ballymun to Portmarnock?
Around 57 minutes on the 42D, depending on time of day and traffic. It calls at Swords, Malahide on the way.
What time is the first and last bus from Ballymun to Portmarnock?
On weekdays the first and last direct bus leaves around 17:20. Check the route timetables for weekends.
How much is the bus from Ballymun to Portmarnock?
Fares follow the National Transport Authority's fare structure — a TFI Leap Card is significantly cheaper than cash, with daily and weekly caps on most services.