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 6m. 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: 97 km
Distance: €15
Average price: Every 3 hours
Frequency

Bus, line 37 bus

best

Take the bus from Portlaoise JFL Avenue to Eden Quaybus 735
Take the bus from Aston Quay to St Brigid's Churchbus 37

2h 32m

€13–17

Portlaoise to Castleknock bus times

Buses run every 3 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 9:35 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, May 19, 2026

6:45 AM → 9:12 AM
2h 27m • 1 change
8:50 AM → 11:06 AM
2h 16m • 1 change
10:20 AM → 1:17 PM
2h 57m • 1 change
12:55 PM → 3:38 PM
2h 43m • 1 change
Show more

Departing Wednesday, May 20, 2026

5:30 AM → 7:42 AM
2h 12m • 1 change
5:45 AM → 8:32 AM
2h 47m • 1 change
6:45 AM → 9:12 AM
2h 27m • 1 change
8:50 AM → 11:06 AM
2h 16m • 1 change
Show more

Departing Thursday, May 21, 2026

5:30 AM → 7:42 AM
2h 12m • 1 change
5:45 AM → 8:32 AM
2h 47m • 1 change
6:45 AM → 9:12 AM
2h 27m • 1 change
8:50 AM → 11:06 AM
2h 16m • 1 change
Show more

Departing Friday, May 22, 2026

5:30 AM → 7:42 AM
2h 12m • 1 change
5:45 AM → 8:32 AM
2h 47m • 1 change
6:45 AM → 9:12 AM
2h 27m • 1 change
8:50 AM → 11:06 AM
2h 16m • 1 change
Show more

Departing Saturday, May 23, 2026

5:30 AM → 7:36 AM
2h 6m • 1 change
5:45 AM → 8:08 AM
2h 23m • 1 change
8:50 AM → 11:20 AM
2h 30m • 1 change
10:50 AM → 1:13 PM
2h 23m • 1 change
Show more

Departing Sunday, May 24, 2026

5:45 AM → 9:41 AM
3h 56m • 1 change
8:50 AM → 11:16 AM
2h 26m • 1 change
10:50 AM → 1:25 PM
2h 35m • 1 change
12:55 PM → 3:25 PM
2h 30m • 1 change
Show more

Departing Monday, May 25, 2026

5:30 AM → 7:42 AM
2h 12m • 1 change
5:45 AM → 8:32 AM
2h 47m • 1 change
6:45 AM → 9:12 AM
2h 27m • 1 change
8:50 AM → 11:06 AM
2h 16m • 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.