The average bus between Letterkenny and Dundrum takes 4h 48m and the fastest bus takes 3h 55m. The bus service runs several times per day from Letterkenny to Dundrum. 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 4 times a day between Letterkenny and Dundrum. The earliest departure is at 6:00 AM in the morning, and the last departure from Letterkenny is at 6:30 PM which arrives into Dundrum at 10:55 PM. All services require a transfer, and take on average 4h 48m. The schedules shown below are for the next available departures.

4h 25m • 1 change

4h 10m • 1 change

3h 55m • 1 change

4h 10m • 1 change

4h 25m • 1 change

3h 55m • 1 change

4h 25m • 1 change

4h 25m • 1 change
Want to know about travelling from Letterkenny to Dundrum? 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 Letterkenny to Dundrum. However, there are services departing from Letterkenny station and arriving at Dundrum station via Dublin Airport Zone 16. The journey, including transfers, takes approximately 4h 48m.
Letterkenny to Dundrum bus services, operated by Mc Ginley Coach Travel, depart from Letterkenny Bus Station.
Letterkenny to Dundrum bus services, operated by Mc Ginley Coach Travel, arrive at Dublin Airport Zone 16 station.
The distance between Letterkenny and Dundrum is 208.6 km. The road distance is 263 km.
Mc Ginley Coach Travel operates a bus from Letterkenny Bus Station to Dublin Airport Zone 16 every 4 hours. Tickets cost €24–30 and the journey takes 3h 20m.