Which attractions in Europe sell out weeks ahead, with booking windows

Whether an attraction sells out is rarely stated outright. What owners do publish is a release rule: tickets open so many days or weeks before the visit, in batches or all at once, with a limit per buyer. This page collects those rules for eleven of the most booked sights in Europe, quoted from each owner's official pages, and flags where the owner says nothing about a window.

A "no figure" entry in the table means the pages read did not state a window, which says nothing about whether the attraction fills. Where an owner writes that tickets sell out or that availability is limited, the table quotes that wording. Where nothing is written, the row says so and points to the live booking calendar on the owner's ticket site.

All rows were read on 2 October 2026, except the Colosseum, read from a copy of its official site dated 30 September 2026. Prices are the figures listed on those pages and can change.

The four Italian sights use different systems, and the Last Supper has the most unusual one.

The Colosseum's official page states that its parts can be visited only by booking online, and that sales, with compulsory booking of an entry time for the Colosseum, open 30 days before the visit. Every ticket type is named, and the ticket must be shown with a photo ID at the entrance. For visits from 9 May 2026, the page says the holder's name can be changed once, only up to midnight on the seventh day before the visit and only for the reasons the visitor regulations list, such as a clear typing error. The standard 24-hour ticket for the Colosseum, Roman Forum and Palatine is listed at 18 euros.

The same page gives the closing times that shape slot choice: last entry at 5:30pm from 1 to 24 October 2026, and at 3:30pm from 25 October 2026 to 28 February 2027. In winter the late slots disappear, which compresses demand into the morning.

The Vatican Museums' pages list opening Monday to Saturday from 8am to 8pm with last entry at 6pm, and a free last Sunday of the month from 9am to 2pm. The prices page lists the full ticket at 20 euros without online booking and 20 plus 5 euros with a booked skip-the-line slot, and says tickets cannot be refunded. No release window is stated on the pages read, so the live calendar at the museums' own ticket site, tickets.museivaticani.va, is the source. Details on the domain are in our guide to official sites and resellers.

The Last Supper Museum in Milan sells tickets in quarterly batches. Its info page says reservations open in September for November to January, in December for February to April, in March for May to July and in June for August to October. The September to December 2026 batch went on sale on Tuesday 23 June at noon. Visits run in 15-minute sessions of at most 40 people, and visitors must arrive 30 minutes before the booked time or lose entry.

The Uffizi in Florence states no window on the pages read. Its fare table lists the Uffizi at 25 euros bought on the day of entry and 29 euros bought before the date, so a same-day ticket exists, and the tickets are named. The Uffizi also warns on its ticket pages that staff assemblies can change timetables, as one did on 29 September 2026.

The three Spanish sights all use named, timed tickets, and all three owners recommend buying ahead.

The Alhambra's official FAQ says tickets are personal and non-transferable, must be shown with an identity document, and cannot be changed in date or time after purchase. The Nasrid Palaces admit 300 people every half hour, and a visitor who is not at the entrance at the ticket time is not let in. The rest of the complex, the gardens, Generalife and Alcazaba, can be entered any time from 8:30 to 18:00 in winter or 8:30 to 20:00 in summer. The general day visit is listed at 22.27 euros. The current FAQ and prices page give no release window. The Patronato's press note on its ticketing system, which is undated, says tickets are sold from three months to two hours before the visit, so treat three months as the likely upper bound and let the live calendar decide. The prices page adds that one person can buy at most 10 tickets per bank card per month and that online sales close at 23:59 the day before.

The Sagrada Família's FAQ states that tickets can currently be bought roughly two months before the visit, that they are named and non-transferable, and that tickets are valid only for the time chosen, so a late arrival cannot enter. The basic ticket with the audio guide app is listed at 26 euros, 36 euros with the towers. Refunds and exchanges are not allowed as a rule; exceptions must be requested at least 48 hours before the visit.

Park Güell is the clearest about demand. Its FAQ says online booking lets you pick the date and time slot up to three months ahead, that availability is very limited, and that without a ticket bought in advance entry at the desired time cannot be guaranteed, especially in busy periods. The general ticket is listed at 18 euros, with a limit of seven tickets per transaction. A paid booking can have its date and time changed up to two days before the visit, subject to capacity.

The Anne Frank House has the strictest weekly rhythm in this list. Tickets are only sold online, on its own site, and every Tuesday at 10am CEST all tickets for a visit six weeks later become available. The adult ticket is listed at 16.50 euros including a 1 euro booking fee. The page states that tickets cannot be exchanged or refunded, and that there is no waiting list.

The Louvre is closed on Tuesdays and lists admission at 22 euros for EEA visitors and 32 euros for non-EEA visitors. It recommends a booked time slot for every visitor, free entry included, and its FAQ says to buy online to be sure of admission on the day you choose. It also says tickets may be bought on site when attendance is low, subject to availability. No release window is stated.

Versailles states that visitors to the palace must book in advance and choose a time slot, including those entitled to free entry. The palace and the Trianon estate are closed on Mondays. Our Versailles ticket guide has the Passport prices and the closing days.

Neuschwanstein can be visited only on a guided tour of about 30 minutes. The ticket page recommends buying in advance in the official online shop because tickets may sell out quickly on site. Tickets sold at the Ticket Center in Hohenschwangau are valid only for the same day, a limited number are sold each day from 8am, and the page says they may be gone by late morning in busy periods. The shop is updated daily. Summer hours, 9am to 6pm, run until 15 October 2026, and from 16 October the castle opens 10am to 4pm. See how to visit Neuschwanstein for the route from Füssen.

Work backwards from the first night of your trip, using the longest stated window as the earliest date you can act. For an example trip starting on 10 May 2027 with a day in each city, the dates fall like this, counting from the stated rules:

• Last Supper, Milan: May reservations open in March, so check the museum's site in early March, then every Wednesday at noon for extra tickets.

• Alhambra and Park Güell: both state or imply three months, so look from about 10 February.

• Sagrada Família: roughly two months, from about 10 March.

• Colosseum: 30 days, from about 10 April.

• Anne Frank House: six weeks, so be online on a Tuesday at 10am CEST in late March.

The order is not the order of visiting. The Last Supper and the Alhambra come first because their batches or windows are the earliest, even if Milan is the last stop on the trip.

Start with the owner's own routes. The Last Supper adds tickets weekly. Neuschwanstein may release a limited number each morning from 8am. The Uffizi sells same-day tickets at its ticket office. The Alhambra lists a ticket office in the access pavilion for tickets subject to availability for the current day, and the Sagrada Família sells through QR codes around the basilica, according to occupancy. The Louvre may sell on site when attendance is low. If none of those suits your dates, a guided tour that includes entry is the next option, and the guide on official sites versus resellers explains what to check before paying. For the city plans themselves, see our guides to Rome, Granada, Barcelona and Amsterdam.