Bus from Clonsilla to Castleknock
4 direct routes · 13–36 min · first bus 05:39, last bus 23:39 (weekdays); the 39A runs 24 hours.
Next buses to Castleknock as of 04:31
Scheduled times at the boarding stop in Clonsilla, 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 | ~23 min | 117 | Sat 93 · Sun 77 | 24 hours | Hartstown Road | Morgan Place | Hartstown, Mulhuddart & Blanchardstown | |
| 37 | Bus Átha Cliath – Dublin Bus | ~22 min | 59 | Sat 43 · Sun 30 | 05:39 | 23:34 | Limelawn | Castleknock | Blanchardstown |
| 39 | Bus Átha Cliath – Dublin Bus | ~36 min | 42 | Sat 36 · Sun 32 | 05:49 | 23:39 | Hartstown Road | Morgan Place | Hartstown, Mulhuddart & Blanchardstown |
| 39X | Bus Átha Cliath – Dublin Bus | ~13 min | 2 | weekdays only | 07:14 | 07:39 | Lohunda Park | Morgan Place | Blanchardstown |
Times are for the first boarding point in Clonsilla 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, 37 bus or 39 bus timetable.
Frequently asked questions
Which bus goes from Clonsilla to Castleknock?
4 routes run directly from Clonsilla to Castleknock: the 39A (Bus Átha Cliath – Dublin Bus), the 37 (Bus Átha Cliath – Dublin Bus), the 39 (Bus Átha Cliath – Dublin Bus), the 39X (Bus Átha Cliath – Dublin Bus). The most frequent is the 39A, 117 times each weekday — board at Hartstown Road and get off at Morgan Place, about 23 minutes.
How long does the bus take from Clonsilla to Castleknock?
Between 13 minutes on the 39X and 36 on the 39, depending on which route you catch and on traffic. It calls at Hartstown, Mulhuddart, Blanchardstown on the way.
What time is the first and last bus from Clonsilla to Castleknock?
On weekdays the first direct bus leaves around 05:39 and the last around 23:39 — and the 39A runs 24 hours. Check the route timetables for weekends.
How much is the bus from Clonsilla to Castleknock?
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.