The average bus between Postojna and Trieste takes 3h 54m and the fastest bus takes 1h 39m. The bus service runs several times per day from Postojna to Trieste. 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 Postojna and Trieste. The earliest departure is at 6:25 AM in the morning, and the last departure from Postojna is at 8:20 PM which arrives into Trieste at 6:34 AM. All services require a transfer, and take on average 3h 54m. The schedules shown below are for the next available departures.

2h 44m • 1 change

2h 9m • 1 change

1h 39m • 1 change

2h 14m • 1 change

2h 44m • 1 change

2h 9m • 1 change

1h 39m • 1 change

2h 14m • 1 change

2h 44m • 1 change

2h 9m • 1 change

1h 39m • 1 change

2h 14m • 1 change
Want to know about travelling from Postojna to Trieste? 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 Trieste. However, there are services departing from Postojna station and arriving at Trieste station via Ankaran K. The journey, including transfers, takes approximately 3h 54m.
Postojna to Trieste bus services, operated by Arriva Slovenia, depart from Postojna station.
Postojna to Trieste bus services, operated by Arriva Slovenia, arrive at Trieste, Autostazione station.
Book your Postojna to Trieste bus tickets online with Arriva Slovenia.
The distance between Postojna and Trieste is 36.7 km. The road distance is 72 km.
You can take a bus from Postojna to Trieste, Autostazione via Ankaran K in around 2h 33m.