The average bus between Postojna and Idrija takes 1h 25m and the fastest bus takes 1h 4m. The bus service runs several times per day from Postojna to Idrija. 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 Postojna and Idrija. The earliest departure is at 6:05 AM in the morning, and the last departure from Postojna is at 8:50 PM which arrives into Idrija at 10:58 PM. All services require a transfer at Kalce and take an average of 1h 25m. The schedules shown below are for the next available departures.

1h 24m • 1 change

1h 59m • 1 change

1h 39m • 1 change

1h 39m • 1 change

1h 19m • 1 change

1h 59m • 1 change

1h 59m • 1 change

1h 59m • 1 change
Want to know about travelling from Postojna to Idrija? 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 Postojna to Idrija. However, there are services departing from Postojna station and arriving at Idrija station via Kalce. The journey, including transfers, takes approximately 1h 25m.
Postojna to Idrija bus services, operated by Arriva Slovenia, depart from Postojna station.
Postojna to Idrija bus services, operated by Arriva Slovenia, arrive at Idrija Uta station.
The distance between Postojna and Idrija is 29.1 km. The road distance is 44 km.
You can take a bus from Postojna to Idrija Uta via Kalce and Kalce/Logatcu in around 1h 24m.