The average bus between Cahir and Letterkenny takes 7h 28m and the fastest bus takes 6h 41m. The bus service runs several times per day from Cahir to Letterkenny. 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 Cahir and Letterkenny. The earliest departure is at 9:15 AM in the morning, and the last departure from Cahir is at 7:23 PM which arrives into Letterkenny at 4:11 AM. All services require a transfer, and take on average 7h 28m. The schedules shown below are for the next available departures.

7h 31m • 1 change

7h 2m • 1 change

6h 42m • 1 change
Arrives next day

8h 48m • 1 change

7h 31m • 1 change

7h 2m • 1 change

6h 42m • 1 change
Arrives next day

8h 48m • 1 change

7h 31m • 1 change

7h 2m • 1 change

6h 42m • 1 change
Arrives next day

8h 48m • 1 change

7h 31m • 1 change

7h 2m • 1 change

6h 42m • 1 change
Arrives next day

8h 48m • 1 change
Want to know about travelling from Cahir to Letterkenny? 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 Cahir to Letterkenny. However, there are services departing from Cahir station and arriving at Letterkenny station via Dublin Busáras. The journey, including transfers, takes approximately 7h 28m.
Cahir to Letterkenny bus services, operated by Bus Éireann, depart from Cahir station.
Cahir to Letterkenny bus services, operated by Bus Éireann, arrive at Letterkenny Bus station.
The distance between Cahir and Letterkenny is 286.6 km. The road distance is 418 km.
You can take a bus from Cahir to Letterkenny Bus via Dublin Busáras in around 7h 50m.