Bus Belfast to Castleknock from €21 | Tickets & Timetables

Trip Overview

The average bus between Belfast and Castleknock takes 3h 26m and the fastest bus takes 3h 7m. There is a bus service every few hours from Belfast to Castleknock. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

3h 26m
Duration: 180 km
Distance: €21
Average price: Hourly
Frequency

Bus

best

Take the bus from Europa Bus Centre to The Gresham Hotelbus 705x

3h 17m

€19–24

Belfast to Castleknock bus times

Buses run hourly between Belfast and Castleknock. The earliest departure is at 3:10 AM at night, and the last departure from Belfast is at 7:10 PM which arrives into Castleknock at 10:25 PM. All services require a transfer, and take on average 3h 26m. The schedules shown below are for the next available departures.

Departing Wednesday, April 29, 2026

5:10 AM → 8:34 AM
3h 24m • 1 change
7:10 AM → 10:17 AM
3h 7m • 1 change
9:10 AM → 12:43 PM
3h 33m • 1 change
10:10 AM → 1:43 PM
3h 33m • 1 change
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Departing Thursday, April 30, 2026

3:10 AM → 6:51 AM
3h 41m • 1 change
5:10 AM → 8:34 AM
3h 24m • 1 change
7:10 AM → 10:17 AM
3h 7m • 1 change
9:10 AM → 12:43 PM
3h 33m • 1 change
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Departing Friday, May 1, 2026

3:10 AM → 6:51 AM
3h 41m • 1 change
5:10 AM → 8:34 AM
3h 24m • 1 change
7:10 AM → 10:17 AM
3h 7m • 1 change
9:10 AM → 12:43 PM
3h 33m • 1 change
Show more

Departing Saturday, May 2, 2026

5:10 AM → 8:26 AM
3h 16m • 1 change
7:10 AM → 10:35 AM
3h 25m • 1 change
9:10 AM → 12:39 PM
3h 29m • 1 change
10:10 AM → 1:39 PM
3h 29m • 1 change
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Frequently asked questions

Want to know about travelling from Belfast to Castleknock? 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.