The average bus between Castlebar and Letterfrack takes 2h 26m and the fastest bus takes 1h 26m. The bus service runs several times per day from Castlebar 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 every 4 hours between Castlebar and Letterfrack. The earliest departure is at 6:00 AM in the morning, and the last departure from Castlebar is at 6:07 PM which arrives into Letterfrack at 7:33 PM. All services require a transfer, and take on average 2h 26m. The schedules shown below are for the next available departures.

2h 13m • 1 change

1h 49m • 1 change

3h 31m • 1 change

2h 38m • 1 change

2h 13m • 1 change

1h 49m • 1 change

3h 31m • 1 change

2h 38m • 1 change

2h 13m • 1 change

1h 49m • 1 change

3h 31m • 1 change

2h 38m • 1 change

2h 18m • 1 change

1h 55m • 1 change

3h 48m • 1 change

2h 46m • 1 change

2h 21m • 1 change

4h 7m • 1 change

2h 44m • 1 change

2h 22m • 1 change

2h 21m • 1 change

4h 7m • 1 change

2h 44m • 1 change

2h 22m • 1 change

2h 13m • 1 change

1h 49m • 1 change

3h 31m • 1 change

2h 38m • 1 change
Want to know about travelling from Castlebar 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 Castlebar to Letterfrack. However, there are services departing from Castlebar station and arriving at Letterfrack station via Westport. The journey, including transfers, takes approximately 2h 26m.
Castlebar to Letterfrack bus services, operated by Bus Éireann, depart from Castlebar station.
Castlebar to Letterfrack bus services, operated by Bus Éireann, arrive at Letterfrack station.
The distance between Castlebar and Letterfrack is 54.5 km. The road distance is 68 km.
You can take a bus from Castlebar to Letterfrack via Westport in around 2h 29m.