Bus from Castleknock to Hartstown
5 direct routes · 15–30 min · first bus 07:02, last bus 23:54 (weekdays); night service 70n runs 00:20–04:20; the 39A runs 24 hours.
Next buses to Hartstown as of 06:26
Scheduled times at the boarding stop in Castleknock, 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 |
|---|---|---|---|---|---|---|---|---|---|
| 39A | Bus Átha Cliath – Dublin Bus | ~18 min | 112 | Sat 91 · Sun 77 | 24 hours | Morgan Place | St Ciaran's Church | Blanchardstown & Mulhuddart | |
| 39 | Bus Átha Cliath – Dublin Bus | ~30 min | 37 | Sat 34 · Sun 30 | 07:02 | 23:43 | Morgan Place | St Ciaran's Church | Blanchardstown & Mulhuddart |
| 70 | Bus Átha Cliath – Dublin Bus | ~15 min | 28 | Sat 17 · Sun 16 | 07:44 | 23:54 | Morgan Place | The Grove | Blanchardstown & Mulhuddart |
| 70n | Nitelink, Dublin Bus | ~35 min | 3 | weekends only | 00:20 | 04:20 | Morgan Place | The Grove | Blanchardstown, Clonsilla, Blanchardstown & Mulhuddart |
| 39X | Bus Átha Cliath – Dublin Bus | ~29 min | 2 | weekdays only | 18:28 | 18:58 | Morgan Place | Hansfield Road | Blanchardstown, Clonsilla & Ongar |
Times are for the first boarding point in Castleknock 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 39A bus, 39 bus or 70 bus timetable.
Frequently asked questions
Which bus goes from Castleknock to Hartstown?
5 routes run directly from Castleknock to Hartstown: the 39A (Bus Átha Cliath – Dublin Bus), the 39 (Bus Átha Cliath – Dublin Bus), the 70 (Bus Átha Cliath – Dublin Bus), the 70n (Nitelink, Dublin Bus), the 39X (Bus Átha Cliath – Dublin Bus). The most frequent is the 39A, 112 times each weekday — board at Morgan Place and get off at St Ciaran's Church, about 18 minutes.
How long does the bus take from Castleknock to Hartstown?
Between 15 minutes on the 70 and 30 on the 39, depending on which route you catch and on traffic. It calls at Blanchardstown, Mulhuddart on the way.
What time is the first and last bus from Castleknock to Hartstown?
On weekdays the first direct bus leaves around 07:02 and the last around 23:54 — and night service 70n runs 00:20–04:20; the 39A runs 24 hours. Check the route timetables for weekends.
How much is the bus from Castleknock to Hartstown?
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.