Bus Portlaoise to Castleknock from €15 | Tickets & Timetables

Trip Overview

The average bus between Portlaoise and Castleknock takes 2h 31m 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 31m
Duration: 96 km
Distance: €15
Average price: Every 4 hours
Frequency

Bus, line 38 bus

best

Take the bus from Portlaoise JFL Avenue to Eden Quaybus 735
Take the bus from Dublin, O'Connell Street Upper (The Gresham Hotel) to St Brigid's Churchbus 38

2h 43m

€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 31m. The schedules shown below are for the next available departures.

Departing Tuesday, April 28, 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, April 29, 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, April 30, 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, May 1, 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, May 2, 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, May 3, 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
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Departing Monday, May 4, 2026

6:45 AM → 9:23 AM
2h 38m • 1 change
8:50 AM → 10:58 AM
2h 8m • 1 change
10:20 AM → 1:03 PM
2h 43m • 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.