13 Postojna Cave & Predjama Castle in Slovenia Worth the Journey

1.Postojna Cave & Predjama Castle Tickets and Tour

★★★★★★★★★★4.9 · 2,146 reviews · 6 hours · from $115Our pick

Explore Postojna Cave and Predjama Castle from Ljubljana with transport, entry tickets, a cave train, guides, and practical tips.

“We had a wonderful day visiting Postojna Cave and Predjama Castle. We were picked up and returned to City Hotel in Ljubljana. Our host, Nisha, was excellent—she shared fascinating background information about the region, the castle, and the caves. From the pickup to the ticket arrangements and the journey itself, everything was seamless and first-class. Highly recommended. Thank you, Nisha!”

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2.Postojna Cave and Predjama Castle – Entrance Tickets Included

★★★★★★★★★★5.0 · 938 reviews · 6 hours (approx.) · from $131Top rated

Review of Postojna Cave and Predjama Castle from Ljubljana, with tickets, transport, guide quality, timing, value, and practical tips.

“It’s a convenient way to get to the cave and castle, and our guide was really knowledgeable and we learned a lot about Slovenia and the cave on the way there and back.”

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3.Slovenia in One Day: Lake Bled, Postojna Cave and Predjama Castle

★★★★★★★★★★5.0 · 879 reviews · 10 hours (approx.) · from $151

See Postojna Cave, Predjama Castle, Lake Bled, Bled Island, and Bled Castle in one guided day from Ljubljana.

“It was a beautiful way to see this amazing country all in one tour! Our guide was great, very friendly and very knowledgeable about all of the history and culture of Slovenia.”

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4.Postojna Cave & Predjama Castle

★★★★★★★★★★4.8 · 444 reviews · 6 hours · from $133

Review of the Postojna Cave and Predjama Castle tour from Trieste, with practical advice on guides, timing, transport, value, and what to expect.

“Dean was fantastic and organised the day perfectly. I would highly recommend you take this tour when visiting”

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5.Postojna Cave and Predjama Castle Tour

★★★★★★★★★★4.9 · 247 reviews · 5.5 hours · from $81Best value

Explore Postojna Cave by underground train and visit cliff-built Predjama Castle on a small-group tour from Ljubljana with transport.

“Our guide was great, very informative on the journeys each way. Gave clear instructions for our timings and where to meet him. The castle and caves were fantastic places to visit. A great day out”

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6.Postojna Cave, Predjama Castle, & Piran Tour

★★★★★★★★★★5.0 · 244 reviews · 10 hours · from $128

Review of a 10-hour Slovenia day trip from Ljubljana to Postojna Cave, Predjama Castle, and Piran, with prices, timing, tips, and honest advice.

“A very beautiful tour. Each attraction was given the necessary amount of time without us ever feeling rushed. The guide was communicative, friendly, and knowledgeable about the sights. A small and therefore flexible group. We’re glad we chose it.”

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7.Postojna Cave, Predjama Castle and Lake Bled

★★★★★★★★★★4.7 · 220 reviews · 11.5 hours · from $169

Review of Ljubljana’s Postojna Cave, Predjama Castle and Lake Bled day tour, with costs, timing, guide tips, seasonal advice and practical details.

“I loved the tour from start to finish, they also took us to our destinations, all the important places we passed along the way, they explained and always told us something new, the company was very good. 🇧🇷”

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8.Bled Lake with Postojna Cave & Castle – small group – day trip from Ljubljana

★★★★★★★★★★4.5 · 127 reviews · 10 hours 30 minutes (approx.) · from $193

Review of a small-group day trip from Ljubljana to Lake Bled, Postojna Cave, and Predjama Castle, with practical tips, costs, and drawbacks.

“Thoroughly enjoyed my tour and guide. He was very knowledgeable and also fun. I would recommend not staying as long at Lake Bled, as not a whole lot to do after visiting the island.”

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9.Postojna Cave & Predjama Castle from Trieste

★★★★★★★★★★4.5 · 122 reviews · 5 hours (approx.) · from $142

Explore Postojna Cave and Predjama Castle from Trieste on a half-day Slovenian trip with transport, entry fees, and an English guide.

“Very interesting caves and castle in Slovenia. Heard about it from a relative and would recommend it to others.”

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10.Postojna Cave and Castle Small-Group Day trip from Ljubljana

★★★★★★★★★★4.5 · 101 reviews · 5 hours 30 minutes (approx.) · from $128

Review of the Postojna Cave and Predjama Castle tour from Ljubljana, with pricing, timing, cave tips, guide quality, and honest advice.

“Great tour and guide Sarah. Really enjoyed Postojna castle. Amazing site and very interesting audio. Felt a little rushed through the castle and had to skip some audio as we were pressed for time. The caves were great also, freezing but well set up with the train etc. definitely recommend this trip”

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11.Ljubljana, Postojna Cave and Predjama Castle Day Tour from Zagreb

★★★★★★★★★★4.5 · 39 reviews · 11 to 12 hours (approx.) · from $143

Review of the Zagreb to Ljubljana, Postojna Cave and Predjama Castle tour, with costs, timing, border tips, highlights and honest drawbacks.

“They canseled the trip short time before travelling - so there was no trip! No effort to sort the situarion either! Do not recommand you to plan your vacation with this tour, as it appares to us as unprofessional! Also, we then found out the price paied was only for the drive - which can be bought for 1/3 if you go by buss. Going by buss is safe - and will not be cancelled!”

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12.Postojna Cave & Predjama Castle – Shore Excursion from Rijeka

★★★★★★★★★★4.5 · 10 reviews · 7 hours (approx.)

Review of the Rijeka shore trip to Postojna Cave and Predjama Castle, with transport tips, cave details, timing, value, and practical advice.

“Great tour! Our guide Ernie was great. I wish we had had more time in the castle—it was a fascinating place! I definitely recommend this tour. Only tip would be to get food whenever you can—there’s no time for a sit down lunch.”

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13.POSTOJNA cave + Predjama castle + LJUBLJANA Day Tour

★★★★★★★★★★5.0 · 8 reviews · 8 to 12 hours (approx.) · from $240

Review of the private Zagreb to Slovenia day tour, with Postojna Cave, Predjama Castle, Ljubljana, costs, timing, and practical tips.

“WOW - What a day! Truly spectactular experience - extremely personal and very welcoming from the Get-Go. Our guide, Tanja, made us feel immediately at ease whilst we settled down for the drive towards Slovenia. We were expecting to become part of a larger group tour however, the personal touch (it was just the pair of us & Tanja) made a huge difference to the overall experience. We found Tanja to be extremely knowledgeable on a variety of subjects (not just relevant to the tour ie Brexit) and more than happy to answer any questions we had. POSTOJNA Caves were amazing. Our initial decent into the caves is by mini…”

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