The average bus between Knock and Letterfrack takes 5h 54m and the fastest bus takes 2h 37m. The bus service runs several times per day from Knock to Letterfrack. 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 Knock and Letterfrack. The earliest departure is at 8:10 AM in the morning, and the last departure from Knock is at 7:43 PM which arrives into Letterfrack at 8:18 AM. All services require a transfer, and take on average 5h 54m. The schedules shown below are for the next available departures.

4h 49m • 1 change

3h 28m • 1 change

3h 39m • 1 change
Arrives next day

12h 30m • 1 change

4h 49m • 1 change

3h 28m • 1 change

3h 39m • 1 change
Arrives next day

12h 30m • 1 change

4h 49m • 1 change

3h 28m • 1 change

3h 39m • 1 change
Arrives next day

12h 35m • 1 change

5h • 1 change

3h 32m • 1 change

3h 35m • 1 change
Arrives next day

12h 40m • 1 change

3h 29m • 1 change

2h 37m • 1 change
Arrives next day

12h 42m • 1 change
Want to know about travelling from Knock to Letterfrack? 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 Knock to Letterfrack. However, there are services departing from Knock station and arriving at Letterfrack station via Westport. The journey, including transfers, takes approximately 5h 54m.
Knock to Letterfrack bus services, operated by Bus Éireann, depart from Knock station.
Knock to Letterfrack bus services, operated by Bus Éireann, arrive at Letterfrack station.
The distance between Knock and Letterfrack is 72.9 km. The road distance is 137 km.
You can take a bus from Knock to Letterfrack via Westport in around 3h 45m.