Predjama Castle Tours: compare 6 options from € 68

The verdict

Our pick

Ljubljana: Postojna Cave & Predjama Castle Small Group

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Ljubljana: Postojna Cave & Predjama Castle Small Group★ 4.83 (168) · 5h 30mfrom€ 68View ›

Best pricePostojna Cave & Predjama Castle from Koper: 5-Hour Tour★ 4.86 (57) · from € 99

Top ratedLjubljana: Postojna Cave, Predjama Castle & Piran Day Trip★ 4.96 (111) · from € 112

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Skocjan Caves, Lipica & Piran: Small-Group Day Trip from Ljubljana

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Skocjan Caves, Lipica & Piran: Small-Group Day Trip from Ljubljana★★★★★★★★★★ 4.70 (240)10h 30mYou’ll walk deep into Škocjan Caves’ echoing silence with a local guide, taste Karst prosciutto and Teran wine in a cozy tavern, wander Piran’s tangled streets by the sea, then stand beneath Predjama Castle’s cliffside walls before heading back to Ljubljana — with more than just photos to remember it by.Free cancellationKids −50%from€ 104View ›

Postojna Cave Tickets: Train Ride Through Underground Chambers

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Postojna Cave Tickets: Train Ride Through Underground Chambers★★★★★★★★★★ 4.57 (113)5h 30mYou ride an electric train through Postojna Cave's vast underground chambers, then visit Predjama Castle built into a cliff face, with all entry fees and transport from Ljubljana handled. The half-day format means you're back in the city by early evening, and the English-speaking guide covers the history and geology as you move through both sites. No separate ticket purchases or logistics to arrange.Is it for me?Right for travelers based in Ljubljana with a half-day window who want two major Slovenian sights without arranging separate transport or tickets. The pace is steady — you're walking and standing for most of the afternoon, so plan for a full physical day, but that's what lets you see both the cave and the castle properly instead of rushing through either one.Free cancellationTravelers' pickKids −50%from€ 106View ›

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Ljubljana: Postojna Cave, Predjama Castle & Piran Day Trip★★★★★★★★★★ 4.78 (58)10h 30mYou ride a train through Postojna Cave's underground chambers, explore a castle built into a cliff at Predjama, then walk through the Adriatic coastal town of Piran—all in one day with entry fees, transport, and a guide handling the logistics. Hotel pickup in Ljubljana and return in the evening.Is it for me?Book this if you want to see three major Slovenian attractions in a single day without renting a car or buying separate tickets—the fixed itinerary and included transport mean you show up and the day unfolds on schedule.Free cancellationTravelers' pickKids −50%from€ 139View ›

Predjama Castle Tours — what to know before booking

This guide compares 6 bookable options for Predjama Castle Tours, with up-to-date prices and real traveler reviews. Prices start at € 68. The average rating is 4.8 out of 5, based on 747 traveler reviews.

Most options last half a day or longer. 6 of the 6 options offer free cancellation. The verdict at the top highlights the travelers' favorite, the best price and the top-rated option, updated with live data.

Frequently asked questions

How much does Predjama Castle Tours cost?

Prices start at € 68. There are 6 options to compare, and the final price depends on the date, group size and the option you choose.

Can I book with free cancellation?

Yes: 6 of the 6 options offer free cancellation, so you can book now and confirm your plans later.

How long do these experiences last?

Most options last half a day or longer.

Which one is the travelers' favorite?

Ljubljana: Postojna Cave & Predjama Castle Small Group is the travelers' favorite, rated 4.8 out of 5 across 168 reviews.