Bus Portlaoise to Castleknock from €11 | Tickets & Timetables

Trip Overview

The average bus between Portlaoise and Castleknock takes 2h 28m and the fastest bus takes 1h 42m. The bus service runs several times per day from Portlaoise 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.

2h 28m
Duration: 97 km
Distance: €11
Average price: Every 4 hours
Frequency

Portlaoise to Castleknock bus times

Buses run every 4 hours between Portlaoise and Castleknock. The earliest departure is at 5:30 AM in the morning, and the last departure from Portlaoise is at 7:15 PM which arrives into Castleknock at 9:48 PM. All services require a transfer at Eden Quay and take an average of 2h 28m. The schedules shown below are for the next available departures.

Departing Monday, June 29, 2026

3:20 PM → 5:40 PM
2h 20m • 1 change
7:15 PM → 9:35 PM
2h 20m • 1 change

Departing Tuesday, June 30, 2026

5:30 AM → 7:39 AM
2h 9m • 1 change
5:45 AM → 8:25 AM
2h 40m • 1 change
6:45 AM → 9:05 AM
2h 20m • 1 change
8:50 AM → 11:06 AM
2h 16m • 1 change
Show more

Departing Wednesday, July 1, 2026

5:30 AM → 7:39 AM
2h 9m • 1 change
5:45 AM → 8:25 AM
2h 40m • 1 change
6:45 AM → 9:05 AM
2h 20m • 1 change
8:50 AM → 11:06 AM
2h 16m • 1 change
Show more

Departing Thursday, July 2, 2026

5:30 AM → 7:39 AM
2h 9m • 1 change
5:45 AM → 8:25 AM
2h 40m • 1 change
6:45 AM → 9:05 AM
2h 20m • 1 change
8:50 AM → 11:06 AM
2h 16m • 1 change
Show more

Departing Friday, July 3, 2026

5:30 AM → 7:39 AM
2h 9m • 1 change
5:45 AM → 8:25 AM
2h 40m • 1 change
6:45 AM → 9:05 AM
2h 20m • 1 change
8:50 AM → 11:06 AM
2h 16m • 1 change
Show more

Departing Saturday, July 4, 2026

5:30 AM → 7:12 AM
1h 42m • 1 change
5:45 AM → 8:20 AM
2h 35m • 1 change
8:50 AM → 11:25 AM
2h 35m • 1 change
10:50 AM → 1:15 PM
2h 25m • 1 change
Show more

Departing Sunday, July 5, 2026

5:45 AM → 9:38 AM
3h 53m • 1 change
8:50 AM → 11:14 AM
2h 24m • 1 change
10:50 AM → 1:20 PM
2h 30m • 1 change
12:55 PM → 3:21 PM
2h 26m • 1 change
Show more

Frequently asked questions

Want to know about travelling from Portlaoise 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.