Roscommon to Castleknock Buses

Roscommon to Castleknock buses

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Trip Overview

The average bus between Roscommon and Castleknock takes 4h 20m and the fastest bus takes 2h 32m. The bus service runs several times per day from Roscommon 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.

4h 20m
Duration: 146 km
Distance: €39
Average price: Every 4 hours
Frequency

Bus

best

Take the bus from Roscommon to Longford Stationbus 426
Take the bus from Longford Stn to Liffey Valley SCbus 23 / ...

3h 34m

€33–44

Roscommon to Castleknock bus times

Buses run every 4 hours between Roscommon and Castleknock. The earliest departure is at 8:00 AM in the morning, and the last departure from Roscommon is at 11:00 PM which arrives into Castleknock at 6:02 AM. All services require a transfer at Longford Stn and take an average of 4h 20m. The schedules shown below are for the next available departures.

Departing Sunday, October 11, 2026

7:30 PM → 6:05 AM
Arrives next day
10h 35m • 2 changes

Departing Monday, October 12, 2026

8:00 AM → 11:40 AM
3h 40m • 2 changes
9:30 AM → 1:14 PM
3h 44m • 2 changes
12:15 PM → 3:50 PM
3h 35m • 2 changes
4:00 PM → 7:14 PM
3h 14m • 2 changes
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Departing Tuesday, October 13, 2026

8:00 AM → 11:40 AM
3h 40m • 2 changes
9:30 AM → 1:14 PM
3h 44m • 2 changes
12:15 PM → 3:50 PM
3h 35m • 2 changes
4:00 PM → 7:14 PM
3h 14m • 2 changes
Show more

Departing Wednesday, October 14, 2026

8:00 AM → 11:40 AM
3h 40m • 2 changes
9:30 AM → 1:14 PM
3h 44m • 2 changes
12:15 PM → 3:50 PM
3h 35m • 2 changes
4:00 PM → 7:14 PM
3h 14m • 2 changes
Show more

Departing Thursday, October 15, 2026

8:00 AM → 11:40 AM
3h 40m • 2 changes
9:30 AM → 1:14 PM
3h 44m • 2 changes
12:15 PM → 3:50 PM
3h 35m • 2 changes
4:00 PM → 7:14 PM
3h 14m • 2 changes
Show more

Departing Friday, October 16, 2026

8:00 AM → 11:40 AM
3h 40m • 2 changes
9:30 AM → 1:14 PM
3h 44m • 2 changes
12:15 PM → 3:50 PM
3h 35m • 2 changes
4:00 PM → 7:14 PM
3h 14m • 2 changes
Show more

Departing Saturday, October 17, 2026

8:00 AM → 11:41 AM
3h 41m • 2 changes
9:30 AM → 1:14 PM
3h 44m • 2 changes
12:15 PM → 3:45 PM
3h 30m • 2 changes
4:00 PM → 7:10 PM
3h 10m • 2 changes
Show more

Frequently asked questions

Want to know about travelling from Roscommon 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.

Roscommon to Castleknock buses

Trip Overview

Bus