Bus from Castleknock to Ashtown
10 direct routes · 3–8 min · first bus 05:58, last bus 00:01 (weekdays); the 39A runs 24 hours.
Next buses to Ashtown as of 05:10
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 | ~4 min | 117 | Sat 93 · Sun 77 | 24 hours | Morgan Place | Ashtown Roundabout | — | |
| 37 | Bus Átha Cliath – Dublin Bus | ~8 min | 59 | Sat 43 · Sun 30 | 05:58 | 23:48 | Castleknock | Ashtown Roundabout | — |
| 39 | Bus Átha Cliath – Dublin Bus | ~4 min | 42 | Sat 36 · Sun 32 | 06:20 | 00:01 | Morgan Place | Ashtown Roundabout | — |
| 38 | Bus Átha Cliath – Dublin Bus | ~5 min | 37 | Sat 35 · Sun 31 | 06:47 | 23:39 | Morgan Place | Ashtown Roundabout | — |
| 38A | Bus Átha Cliath – Dublin Bus | ~5 min | 31 | Sat 34 · Sun 30 | 09:26 | 23:52 | Morgan Place | Ashtown Roundabout | — |
| 70 | Bus Átha Cliath – Dublin Bus | ~4 min | 29 | Sat 18 · Sun 16 | 06:30 | 23:50 | Morgan Place | Ashtown Roundabout | — |
| 38B | Bus Átha Cliath – Dublin Bus | ~5 min | 8 | weekdays only | 06:26 | 09:09 | Morgan Place | Ashtown Roundabout | — |
3 occasional services — once or twice a day · 39X, 38D, 70D
Often school, college or market-day journeys — check the route before relying on one.
| Route | Operator | Journey time | Weekday journeys | Days | First | Last | Board at | Get off at | Calls at |
|---|---|---|---|---|---|---|---|---|---|
| 39X | Bus Átha Cliath – Dublin Bus | ~3 min | 2 | weekdays only | 07:27 | 07:52 | Morgan Place | Ashtown Roundabout | — |
| 38D | Bus Átha Cliath – Dublin Bus | ~4 min | 1 | weekdays only | 17:31 | 17:31 | Morgan Place | Ashtown Roundabout | — |
| 70D | Bus Átha Cliath – Dublin Bus | ~6 min | 1 | weekdays only | 07:45 | 07:45 | Castleknock | Ashtown Roundabout | — |
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, 37 bus, 39 bus, 38 bus, 38A bus, 70 bus or 38B bus timetable.
Frequently asked questions
Which bus goes from Castleknock to Ashtown?
10 routes run directly from Castleknock to Ashtown: the 39A (Bus Átha Cliath – Dublin Bus), the 37 (Bus Átha Cliath – Dublin Bus), the 39 (Bus Átha Cliath – Dublin Bus), the 38 (Bus Átha Cliath – Dublin Bus), the 38A (Bus Átha Cliath – Dublin Bus), the 70 (Bus Átha Cliath – Dublin Bus), the 38B (Bus Átha Cliath – Dublin Bus), the 39X (Bus Átha Cliath – Dublin Bus), the 38D (Bus Átha Cliath – Dublin Bus), the 70D (Bus Átha Cliath – Dublin Bus). The most frequent is the 39A, 117 times each weekday — board at Morgan Place and get off at Ashtown Roundabout, about 4 minutes.
How long does the bus take from Castleknock to Ashtown?
Between 3 minutes on the 39X and 8 on the 37, depending on which route you catch and on traffic.
What time is the first and last bus from Castleknock to Ashtown?
On weekdays the first direct bus leaves around 05:58 and the last around 00:01 — and the 39A runs 24 hours. Check the route timetables for weekends.
How much is the bus from Castleknock to Ashtown?
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.