All 6 options, side by side
✓ 2026-10-15| Option | Price | Length | Rating | Cancellation | Extra fee |
|---|---|---|---|---|---|
 Postojna Cave & Predjama Castle from Koper: 5-Hour TourOur pick | € 99 per person | 5h | 4.87★ · 61 | free | — |
 Private tour to Lake Bled from Koper: Island church and castlePrivate option | € 86 per person€ 630 per group (split by 8) | 7h | 5.00★ only 2 reviews | free | — |
 Postojna Cave & Predjama Castle Tour: Electric Train RideAlso recommended | € 116 per person | 5h | 4.41★ · 56 | free | — |
 Postojna Cave & Predjama Castle tour from Koper | € 135 per person | 5h | 4.79★ · 38 | free | — |
 Postojna Cave & Predjama Castle tour: Private excursion | € 88 per person€ 630 per group (split by 8) | 8h | 5.00★ only 2 reviews | free | +€ 35 on site |
 Postojna Cave & Predjama Castle tour from Slovenian Coast | € 232 per person | 6h | 4.50★ only 2 reviews | free | — |
Koper Castle 6 options
Koper Castle at a glance
- Our pick: Postojna Cave & Predjama Castle from Koper: 5-Hour Tour, € 99 (5h, 4.87★ · 61).
- Private option: Private tour to Lake Bled from Koper: Island church and castle, € 86 (7h, 5.00★ · only 2 reviews).
- Also recommended: Postojna Cave & Predjama Castle Tour: Electric Train Ride, € 116 (5h, 4.41★ · 56).
Real price per person across the 6 options: € 86–€ 232 (median € 99). With an extra fee to pay on site: 1 of 6.
Of the 6 options: 6 with free cancellation, 4 with instant confirmation, 3 with hotel pickup, 6 kid-friendly, 2 private and 2 last-minute.
How we rank: quality, number of reviews and relevance to the topic. In the comparison table, our top 3 comes first. Real price per person: the group price divided by the seats it includes.
Frequently asked questions
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 between 2 and 5 hours. There are also shorter and longer formats to fit your itinerary.
Which one is the travelers' favorite?
Postojna Cave & Predjama Castle from Koper: 5-Hour Tour is the travelers' favorite, rated 4.87 out of 5 across 61 reviews.
Are private options available?
Yes, 2 private experiences are available if you prefer a closed group.