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Castleknock to Roscommon buses

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Trip Overview

The average bus between Castleknock and Roscommon takes 5h 3m and the fastest bus takes 3h 11m. The bus service runs several times per day from Castleknock to Roscommon. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

5h 3m
Duration
157 km
Distance
€42
Average price
Every 4 hours
Frequency

Bus

best
  1. Take the bus from Liffey Valley SC to Longford Stnbus bus 23 / ...
  2. Take the bus from Longford Stn to Roscommonbus bus 426
5h 2m
€35–47

Castleknock to Roscommon bus times

Buses run every 4 hours between Castleknock and Roscommon. The earliest departure is at 7:05 AM in the morning, and the last departure from Castleknock is at 11:02 PM which arrives into Roscommon at 6:52 AM. All services require a transfer at Blanchardstown SC and take an average of 5h 3m. The schedules shown below are for the next available departures.

Departing Sunday, October 11, 2026

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    Dublin BusGo-Ahead IrelandExpressway (Bus Éireann)Bus Éireann3h 44m • 3 changes

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    Arrives next day

    Dublin BusGo-Ahead IrelandExpressway (Bus Éireann)TFI Local Link Longford Westmeath Roscommon8h 10m • 3 changes

Departing Monday, October 12, 2026

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    Dublin BusGo-Ahead IrelandExpressway (Bus Éireann)TFI Local Link Longford Westmeath Roscommon3h 51m • 3 changes

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    Dublin BusGo-Ahead IrelandExpressway (Bus Éireann)TFI Local Link Longford Westmeath Roscommon3h 42m • 3 changes

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    Dublin BusGo-Ahead IrelandExpressway (Bus Éireann)TFI Local Link Longford Westmeath Roscommon4h 29m • 3 changes

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    Dublin BusGo-Ahead IrelandExpressway (Bus Éireann)TFI Local Link Longford Westmeath Roscommon4h 46m • 3 changes
  • Show more

Departing Tuesday, October 13, 2026

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    Dublin BusGo-Ahead IrelandExpressway (Bus Éireann)TFI Local Link Longford Westmeath Roscommon3h 51m • 3 changes

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    Dublin BusGo-Ahead IrelandExpressway (Bus Éireann)TFI Local Link Longford Westmeath Roscommon3h 42m • 3 changes

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    Dublin BusGo-Ahead IrelandExpressway (Bus Éireann)TFI Local Link Longford Westmeath Roscommon4h 29m • 3 changes

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    Dublin BusGo-Ahead IrelandExpressway (Bus Éireann)TFI Local Link Longford Westmeath Roscommon4h 46m • 3 changes
  • Show more

Departing Wednesday, October 14, 2026

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    Dublin BusGo-Ahead IrelandExpressway (Bus Éireann)TFI Local Link Longford Westmeath Roscommon3h 51m • 3 changes

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    Dublin BusGo-Ahead IrelandExpressway (Bus Éireann)TFI Local Link Longford Westmeath Roscommon3h 42m • 3 changes

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    Dublin BusGo-Ahead IrelandExpressway (Bus Éireann)TFI Local Link Longford Westmeath Roscommon4h 29m • 3 changes

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    Dublin BusGo-Ahead IrelandExpressway (Bus Éireann)TFI Local Link Longford Westmeath Roscommon4h 46m • 3 changes
  • Show more

Departing Thursday, October 15, 2026

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    Dublin BusGo-Ahead IrelandExpressway (Bus Éireann)TFI Local Link Longford Westmeath Roscommon3h 51m • 3 changes

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    Dublin BusGo-Ahead IrelandExpressway (Bus Éireann)TFI Local Link Longford Westmeath Roscommon3h 42m • 3 changes

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    Dublin BusGo-Ahead IrelandExpressway (Bus Éireann)TFI Local Link Longford Westmeath Roscommon4h 29m • 3 changes

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    Dublin BusGo-Ahead IrelandExpressway (Bus Éireann)TFI Local Link Longford Westmeath Roscommon4h 46m • 3 changes
  • Show more

Departing Friday, October 16, 2026

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    Dublin BusGo-Ahead IrelandExpressway (Bus Éireann)TFI Local Link Longford Westmeath Roscommon3h 51m • 3 changes

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    Dublin BusGo-Ahead IrelandExpressway (Bus Éireann)TFI Local Link Longford Westmeath Roscommon3h 42m • 3 changes

  •  → 

    Dublin BusGo-Ahead IrelandExpressway (Bus Éireann)TFI Local Link Longford Westmeath Roscommon4h 29m • 3 changes

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    Dublin BusGo-Ahead IrelandExpressway (Bus Éireann)TFI Local Link Longford Westmeath Roscommon4h 46m • 3 changes
  • Show more

Departing Saturday, October 17, 2026

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    Dublin BusGo-Ahead IrelandExpressway (Bus Éireann)TFI Local Link Longford Westmeath Roscommon3h 52m • 3 changes

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    Dublin BusGo-Ahead IrelandExpressway (Bus Éireann)TFI Local Link Longford Westmeath Roscommon3h 46m • 3 changes

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    Dublin BusGo-Ahead IrelandExpressway (Bus Éireann)TFI Local Link Longford Westmeath Roscommon4h 28m • 3 changes

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    Dublin BusGo-Ahead IrelandExpressway (Bus Éireann)TFI Local Link Longford Westmeath Roscommon4h 35m • 3 changes
  • Show more

Frequently asked questions

Want to know about travelling from Castleknock to Roscommon? 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.

Map of how to get from Castleknock to Roscommon.ExpandLaunch map view
  • Distance: 156.6 km
  • Duration: 5h 3m

What companies run services between Castleknock, Ireland and Roscommon, Ireland?

You can take a bus from St Brigid's Church to Roscommon via Blanchardstown SC, Liffey Valley SC, and Longford Stn in around 5h 2m.

Operators