Belfast to Dublin Castle Buses

Belfast to Dublin Castle buses

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Trip Overview

The average bus between Belfast and Dublin Castle takes 2h 50m and the fastest bus takes 2h 40m. There is a bus service every few hours from Belfast to Dublin Castle. 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 50m
Duration: 173 km
Distance: €21
Average price: Hourly
Frequency

Bus via Dublin, O'Connell Street Upper (The Gresham Hotel)

best

Take the bus from Belfast Glengall to The Gresham Hotelbus 705x

2h 47m

€19–24

Belfast to Dublin Castle bus times

Buses run hourly between Belfast and Dublin Castle. The earliest departure is at 1:10 AM at night, and the last departure from Belfast is at 11:10 PM which arrives into Dublin Castle at 1:56 AM. All services require a transfer at Dublin, O'Connell Street Upper (The Gresham Hotel) and take an average of 2h 50m. The schedules shown below are for the next available departures.

Departing Thursday, September 24, 2026

3:10 AM → 5:55 AM
2h 45m • 1 change
5:10 AM → 7:55 AM
2h 45m • 1 change
7:10 AM → 10:00 AM
2h 50m • 1 change
9:10 AM → 11:56 AM
2h 46m • 1 change
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Departing Friday, September 25, 2026

1:10 AM → 4:25 AM
3h 15m • 1 change
3:10 AM → 5:55 AM
2h 45m • 1 change
5:10 AM → 7:55 AM
2h 45m • 1 change
7:10 AM → 10:00 AM
2h 50m • 1 change
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Departing Saturday, September 26, 2026

1:10 AM → 4:25 AM
3h 15m • 1 change
3:10 AM → 6:24 AM
3h 14m • 1 change
5:10 AM → 7:57 AM
2h 47m • 1 change
7:10 AM → 9:52 AM
2h 42m • 1 change
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Frequently asked questions

Want to know about travelling from Belfast to Dublin Castle? 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.

Belfast to Dublin Castle buses

Trip Overview

Bus via Dublin, O'Connell Street Upper (The Gresham Hotel)