The average bus between Drogheda and Castletroy takes 3h 24m and the fastest bus takes 3h 10m. There is a bus service every few hours from Drogheda to Castletroy. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run every 2 hours between Drogheda and Castletroy. The earliest departure is at 2:00 AM at night, and the last departure from Drogheda is at 11:00 PM which arrives into Castletroy at 2:55 AM. All services require a transfer at Dublin Airport Terminal 2 Zone 19 and take an average of 3h 24m. The schedules shown below are for the next available departures.

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Want to know about travelling from Drogheda to Castletroy? 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.
No, there is no direct bus from Drogheda to Castletroy. However, there are services departing from Drogheda station and arriving at Castletroy station via Dublin Airport Terminal 2 Zone 19. The journey, including transfers, takes approximately 3h 24m.
Drogheda to Castletroy bus services, operated by Expressway (Bus Éireann), depart from Drogheda Bus Station.
Drogheda to Castletroy bus services, operated by Expressway (Bus Éireann), arrive at Elm Park station.
The distance between Drogheda and Castletroy is 188.8 km. The road distance is 242 km.
You can take a bus from Drogheda Bus Station to Elm Park via Dublin Airport Terminal 2 Zone 19 and Dublin Airport Zone 10 in around 4h 5m.