Bus Castleknock to Arklow from €20 | Tickets & Timetables

Trip Overview

The average bus between Castleknock and Arklow takes 2h 5m and the fastest bus takes 1h 41m. There is a bus service every few hours from Castleknock to Arklow. 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 5m
Duration: 82 km
Distance: €20
Average price: Hourly
Frequency

Line 37 bus, bus

best

Take the bus from Castleknock to Nassau Streetbus 37 / ...
Take the bus from Merrion Square North to Tourist Officebus 2

2h 44m

€17–23

Castleknock to Arklow bus times

Buses run hourly between Castleknock and Arklow. The earliest departure is at 7:40 AM in the morning, and the last departure from Castleknock is at 11:06 PM which arrives into Arklow at 1:31 AM. All services require a transfer at Nassau Street and take an average of 2h 5m. The schedules shown below are for the next available departures.

Departing Monday, April 27, 2026

8:49 PM → 10:40 PM
1h 50m • 1 change
10:19 PM → 12:02 AM
Arrives next day
1h 42m • 1 change
11:06 PM → 1:31 AM
Arrives next day
2h 24m • 1 change

Departing Tuesday, April 28, 2026

7:40 AM → 9:47 AM
2h 6m • 1 change
9:44 AM → 11:47 AM
2h 2m • 1 change
10:45 AM → 12:47 PM
2h 1m • 1 change
11:38 AM → 1:47 PM
2h 8m • 1 change
Show more

Departing Wednesday, April 29, 2026

7:40 AM → 9:47 AM
2h 6m • 1 change
9:44 AM → 11:47 AM
2h 2m • 1 change
10:45 AM → 12:47 PM
2h 1m • 1 change
11:38 AM → 1:47 PM
2h 8m • 1 change
Show more

Departing Thursday, April 30, 2026

7:40 AM → 9:47 AM
2h 6m • 1 change
9:44 AM → 11:47 AM
2h 2m • 1 change
10:45 AM → 12:47 PM
2h 1m • 1 change
11:38 AM → 1:47 PM
2h 8m • 1 change
Show more

Departing Friday, May 1, 2026

7:40 AM → 9:47 AM
2h 6m • 1 change
9:44 AM → 11:47 AM
2h 2m • 1 change
10:45 AM → 12:47 PM
2h 1m • 1 change
11:38 AM → 1:47 PM
2h 8m • 1 change
Show more

Frequently asked questions

Want to know about travelling from Castleknock to Arklow? 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.