Bus Portlaoise to Castleknock from €15 | Tickets & Timetables

Trip Overview

The average bus between Portlaoise and Castleknock takes 2h 29m and the fastest bus takes 2h 7m. 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 29m
Duration: 96 km
Distance: €15
Average price: Every 4 hours
Frequency

Bus, line 38 bus

best

Take the bus from Portlaoise JFL Ave to Eden Quaybus 735
Take the bus from O'Connell St Upper to St Brigid's Churchbus 38

2h 42m

€13–17

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 9:22 PM. All services require a transfer at Eden Quay and take an average of 2h 29m. The schedules shown below are for the next available departures.

Departing Monday, June 8, 2026

3:20 PM → 5:47 PM
2h 27m • 1 change
7:15 PM → 9:25 PM
2h 10m • 1 change

Departing Tuesday, June 9, 2026

5:30 AM → 7:37 AM
2h 7m • 1 change
5:45 AM → 8:34 AM
2h 49m • 1 change
6:45 AM → 9:12 AM
2h 27m • 1 change
8:50 AM → 11:24 AM
2h 34m • 1 change
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Departing Wednesday, June 10, 2026

5:30 AM → 7:37 AM
2h 7m • 1 change
5:45 AM → 8:34 AM
2h 49m • 1 change
6:45 AM → 9:12 AM
2h 27m • 1 change
8:50 AM → 11:24 AM
2h 34m • 1 change
Show more

Departing Thursday, June 11, 2026

5:30 AM → 7:37 AM
2h 7m • 1 change
5:45 AM → 8:34 AM
2h 49m • 1 change
6:45 AM → 9:12 AM
2h 27m • 1 change
8:50 AM → 11:24 AM
2h 34m • 1 change
Show more

Departing Friday, June 12, 2026

5:30 AM → 7:37 AM
2h 7m • 1 change
5:45 AM → 8:34 AM
2h 49m • 1 change
6:45 AM → 9:12 AM
2h 27m • 1 change
8:50 AM → 11:24 AM
2h 34m • 1 change
Show more

Departing Saturday, June 13, 2026

5:45 AM → 8:26 AM
2h 41m • 1 change
8:50 AM → 11:05 AM
2h 15m • 1 change
10:50 AM → 1:09 PM
2h 19m • 1 change
12:55 PM → 3:38 PM
2h 43m • 1 change
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Departing Sunday, June 14, 2026

5:45 AM → 9:23 AM
3h 38m • 1 change
8:50 AM → 10:58 AM
2h 8m • 1 change
10:50 AM → 1:03 PM
2h 13m • 1 change
12:55 PM → 3:36 PM
2h 41m • 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.