The average bus between Cork and Letterkenny takes 7h 55m and the fastest bus takes 6h 50m. The bus service runs several times per day from Cork 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 every 3 hours between Cork and Letterkenny. The earliest departure is at 3:30 AM at night, and the last departure from Cork is at 6:30 PM which arrives into Letterkenny at 4:11 AM. All services require a transfer, and take on average 7h 55m. The schedules shown below are for the next available departures.

7h 25m • 1 change

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7h 15m • 1 change

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8h 24m • 1 change
Want to know about travelling from Cork 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 Cork to Letterkenny. However, there are services departing from Cork station and arriving at Letterkenny station via Airport Zone 10. The journey, including transfers, takes approximately 7h 55m.
Cork to Letterkenny bus services, operated by Citylink, depart from Cork Alfred St station.
Cork to Letterkenny bus services, operated by Citylink, arrive at Letterkenny Bus station.
The distance between Cork and Letterkenny is 342.9 km. The road distance is 489 km.
You can take a bus from Cork Alfred St to Letterkenny Bus via Airport Zone 12 in around 8h 4m.