In Iceland, three activities need a guide (glacier hike, ice cave, Silfra), two depend on the weather (whales, northern lights) and one needs a reservation (the Blue Lagoon). As of 6 October 2026, entry prices run from 9,990 ISK (≈ €73) for the northern lights bus tour to 35,999 ISK (≈ €262) for a dive in Silfra. The rule that matters sits in the cancellation terms: up to 24 hours before the start you can usually cancel for free, after that you cannot. So put the weather-dependent tours at the start of your trip.
Things to do in Iceland at a glance: prices, season and duration (checked 6 October 2026)
We read the operators' own pages on 6 October 2026 and put the figures in one table. Conversions use 137.20 ISK per euro (the ECB reference rate for the same day). These are from-prices for one adult; they move with date and demand.
- 9,990 to 35,999 ISK (about €73 to €262): that is the gap between the nine outings.
- With a guide: the glacier hike (from age 8), the natural ice cave (October to April) and Silfra (snorkelling from age 12). At Silfra, in practice only licensed operators run trips; for the cave, Glacier Guides advises against entering without a certified glacier guide.
- 24 hours: the cancellation cut-off at Adventures, Elding, BusTravel and in GetYourGuide's standard terms.
- Weather decides the ice cave, the whales and the northern lights. A second try is built in: rebooking tickets for auroras and whales last two to three years.
- Booking required at the Blue Lagoon, from 11,990 ISK (about €87).
| Activity | From | Season | Duration | Good to know |
|---|---|---|---|---|
| Glacier hike, Sólheimajökull | 107 USD (≈ €95) | year-round | 4 h | age 8+, shoe size EU 35 minimum |
| Natural ice cave (Jökulsárlón) | 19,990 ISK (≈ €146) | Oct–Apr | 2–3 h | age 6+, super jeep |
| Langjökull ice tunnel | 24,900 ISK (≈ €181) | check dates | 3–4 h | man-made tunnel |
| Silfra snorkelling | 19,990 ISK (≈ €146) | year-round | about 3 h | age 12+, 150–200 cm |
| Silfra diving | 35,999 ISK (≈ €262) | year-round | about 3 h | dry suit certificate, age 17+ |
| Whale watching from Reykjavík | 14,500 ISK (≈ €106) | year-round | 2.5–3.5 h | free ticket if no whales |
| Whale watching in Húsavík | 13,990 ISK (≈ €102) | peak May–Sep | about 3 h | never guaranteed |
| Northern lights by bus | 9,990 ISK (≈ €73) | Sep–mid-Apr | up to 3.5–4 h | free retry |
| Blue Lagoon (Comfort) | 11,990 ISK (≈ €87) | – | – | pre-booking essential |
What needs a guide: glacier, ice cave and Silfra
The glacier hike. The classic outing climbs onto Sólheimajökull on the south coast. For the option that meets at the car park, Adventures lists from 107 US dollars (about €95), four hours, year-round, from age 8 and from shoe size EU 35, because the crampons do not come in smaller sizes. Crampons, helmet, ice axe and harness are included, and one guide looks after at most 15 guests. The car park is about 158 km from Reykjavík, roughly two and a half hours by road. With pickup in Reykjavík the day runs 13 to 13.5 hours: that is the difference between a morning and a whole day.
The natural ice cave. Glacier Guides runs it from October to April, from 19,990 ISK (about €146), 15,743 ISK for ages 6 to 16. The outing lasts two to three hours and starts at the Jökulsárlón glacier lagoon, 379 km from Reykjavík, with a super jeep transfer to the cave; crampons and helmet are included. The operator writes that it reserves the right to alter or cancel the tour if conditions are unsafe. From Reykjavík it is better to sleep in the southeast than to drive 758 km there and back in a day.
Full guide: Car Rental in Iceland: Prices, Insurance and F-Roads
The serious part: on 25 August 2024, ice collapsed at Breiðamerkurjökull on a guided group of 23 people, and one tourist died (ABC News). Vatnajökull National Park then banned access to ice caves for a time and required guides with the "Jökla 3" qualification or equivalent (park page of 26 September 2024). In March 2025 the operators' advisory board proposed a summer pause from 15 April to 15 October (Grapevine, 11 March 2025). In September 2025 the same outlet wrote that the ice cave season is now strictly defined, with the caves closed from May through September, and that the Nature Conservation Agency may cap total visitor numbers (Grapevine, 16 September 2025). The park's news page has no newer text on the caves (read 6 October 2026), so these dates come from the press, not from the park. Our conclusion: book a natural ice cave only in winter, with an operator that spells out cancellation, and keep a spare day.
For a cave without seasonal risk, there is the tunnel cut into Langjökull: Into the Glacier lists 24,900 ISK (about €181) for the Classic tour, three to four hours, departing from Húsafell or Reykjavík. Its page gives no opening dates; they show only in the booking calendar.
Silfra. The fissure in Þingvellir National Park stays at 2 to 4 °C all year, with more than 100 metres of visibility. Snorkelling costs from 19,990 ISK (about €146) at DIVE.IS and from 131 US dollars (about €116) at Adventures. The park fee of 1,500 ISK is already in both prices; parking is extra (paid separately at DIVE.IS, 500 ISK according to Adventures). Minimum age 12, 150 to 200 cm, 45 to 120 kg, you must swim, and pregnancy is excluded. Scuba diving starts from 35,999 ISK (about €262) and needs an Open Water certificate plus a dry suit certificate or ten dry suit dives in the last two years; minimum age 17. Þingvellir sits on the Golden Circle and adds to that route.
To lay the dates of the three outings side by side: see glacier, ice cave and Silfra tours in Iceland with open dates.
Whales and northern lights: tours where the weather decides
Whales. Elding runs the Classic tour from Reykjavík at 14,500 ISK (about €106), 7,250 ISK for ages 7 to 15, free under 7. It lasts 2.5 to 3.5 hours and runs all year: the timetable is valid from 1 April 2025 to 31 March 2027, with departures in every month, including 9:00, 13:00 and 15:00 from January to October. If no whales or dolphins appear, Elding does not refund the ticket but issues a complimentary one, valid two years and for returning passengers only. In Húsavík in the north, an operator lists from 13,990 ISK (about €102) for about three hours, of which 60 to 90 minutes are in the whale zone; peak season is May to September, and the operator writes that wildlife is never guaranteed.
Northern lights by bus. BusTravel Iceland lists from 9,990 ISK (about €73), three to four hours, August to April. Reykjavik Excursions runs from September to mid-April, 3.5 hours at most, and decides the evening before whether the tour goes. If it runs and the lights stay hidden there is no refund, but you can rejoin free as many times as needed, valid for two years; at BusTravel it is three years. Icelandia lists a small-group tour from €109. To work out your odds, see the northern lights guide.
The catch is the validity window: a three-year free retry is worth little if you fly home in four days. Our advice from these terms: put the northern lights and the whales on your first evenings and days, so a second try fits into the same trip.
Bathing: why the Blue Lagoon asks you to book
On the Blue Lagoon's own site, on 6 October 2026, it reads: "Pre-booking is essential." Comfort starts at 11,990 ISK (about €87), Premium at 14,990 ISK (about €109), Signature at 18,490 ISK (about €135). According to Adventures it is about 22 km from Keflavík airport (15 minutes) and an hour from Reykjavík. To pay less or to bathe without a reservation, the other pools are in the article on hot springs beyond the Blue Lagoon.
Things to do in Iceland in winter and summer, and from Reykjavik
Year-round, according to the pages we read: the glacier hike, Silfra and whale watching from Reykjavík. Natural ice caves are a winter matter: Glacier Guides lists October to April, and South.is already warned in 2016 that with more daylight and higher temperatures the caves become unstable. Northern lights buses run from September (August at BusTravel) to April. Húsavík has the most departures from May to September. What each season opens or closes is set out in Iceland in winter or summer.
From Reykjavik and for cruise passengers. Check the duration before the price: whale watching 2.5 to 3.5 hours, Silfra with transfer about 5.5 hours, the Blue Lagoon an hour each way, the glacier hike with pickup 13 to 13.5 hours. For a port day only the whale tour has a realistic chance of fitting; set everything else against the all-aboard time.
Booking ahead: what the terms and the reviews say
GetYourGuide's standard terms define a "Free Cancellation Period" running from booking until 24 hours before the start, with a full refund. After that, or if you do not show up, the booking is non-refundable, except in "Extenuating Circumstances" or force majeure, where the platform may refund (terms excerpt, 6 October 2026). The operators follow the same pattern: Elding charges 100% of the booking for a cancellation less than 24 hours before departure, and so does BusTravel. If the operator cancels for weather, Elding refunds in full and Reykjavik Excursions refunds or rebooks.
On the platform itself: on Trustpilot, GetYourGuide showed 3.9 out of 5 from more than 56,600 reviews on 6 October 2026, 68% of them five-star and 19% one-star. Recent complaints concern last-minute cancellations, partial refunds and invalid tickets. That is no reason not to book, but it is a reason to read the terms. Only the booking page shows today's prices and dates: compare tours in Iceland with their cancellation terms and dates.
The traps: seven things that spoil a booking
- An ice cave in summer. Natural caves are a winter matter; according to Grapevine (September 2025) they are closed from May to September in the park. Book only dates inside the operator's season.
- The "day trip" that is not one. 379 km to Jökulsárlón is not an outing from Reykjavík.
- The free retry that expires. The retry lasts two to three years; what matters to you is whether a second evening fits into your trip.
- Under 24 hours. Cancelling later costs the full price at several operators.
- Age and height. Glacier from age 8, Silfra from age 12 and 150 cm, diving from 17: children get turned away at the start.
- Currency. Pages show ISK, dollars or euros; a comparison only works if everything is converted into the same one.
- The beach instead of the tour. At Reynisfjara, Wikipedia counts five deaths between 2007 and 2024 and a sixth in August 2025; warning lights flag the risk. ICE-SAR, Iceland's rescue association, runs Safetravel.is; its app sends your position to 112.
Before you pay: the checks
- Date, season and age: do minimum age, height and season fit the outing?
- Cancellation cut-off: until when is changing free, and does that fit the weather forecast?
- Meeting point and getting there: car park, harbour or pickup, and how long does the whole day take?
- Tour language, group size and what the price includes (crampons, park fee, photos).
- Currency and final price before paying; the article on a one-week Iceland road trip budget shows how these outings fit into a budget.
When all five points hold, the decision is made on the booking page: check tours in Iceland by date and cancellation deadline.
Top-rated activities in Iceland, bookable online:
