What to Book in Advance in Budapest (And What Can Wait)
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Budapest is one of those cities where you can leave most of your itinerary flexible. But there are a few important exceptions, and missing out is frustrating.
We saw it firsthand at the Hungarian Parliament Building. While we were waiting for our tour to begin, dozens of people turned up hoping to buy tickets on the day, only to find tours had sold out weeks in advance.
We've been to Budapest three times now, so we've had plenty of chances to learn what actually needs planning and what doesn't. We also have a friend who moved to Budapest a few years ago, so we’ve been lucky enough to get plenty of local insight alongside our own experience.
This post covers exactly what to book before your Budapest trip and how far ahead. We'll also show you the one experience we'd never leave to chance (the Hungarian Parliament Building tour), along with everything you can safely leave until you're in the city.

Quick booking cheat-sheet
Here's a quick overview of the most in-demand Budapest experiences and how far ahead we'd book them. Use it to map out your Budapest itinerary so you don't miss anything time-sensitive.
Scroll right to see the entire table >>
|
Experience |
When to book |
Booking Link |
|---|---|---|
|
Hungarian Parliament Building tour |
1-2 weeks ahead (4-8 weeks in peak season*) |
|
|
Széchenyi Thermal Baths |
3-5 days ahead (1-3 weeks for weekends and peak season*) |
|
|
Sparty at Széchenyi (Saturday night pool party) |
1-3 weeks ahead (3-6 weeks in peak season*) |
|
|
Danube evening cruise (sightseeing) |
3-7 days ahead (1-2 weeks in peak season*) |
|
|
Danube dinner cruise |
1-2 weeks ahead (2-4 weeks in peak season*) |
|
|
Hungarian State Opera House tour |
1-3 days ahead (5-7 days in peak season*) |
* Peak season = June-August, Christmas season (late November to Christmas), New Year, and Hungarian public holidays

Doing multiple paid attractions? Check whether the Budapest Card works out cheaper for your itinerary. We've done the maths for our itinerary and it didn’t. But it could work out for some itineraries. The only way to know is to list what you actually want to do, then check what the Budapest Card covers and at what price.
Must-book Budapest experiences (don’t miss out!)
Compared to most European capitals, Budapest is very easy-going when it comes to pre-booking. Most attractions you can just show up to on the day.
But a handful of experiences sell out in advance, sometimes days ahead, and a couple of them have no real alternative if you miss out. These are the ones worth sorting before you go.
1. Hungarian Parliament Building tour
The Hungarian Parliament Building is THE most stunning parliament building we've ever seen, and it's the most important thing to book before you arrive in Budapest.

You can admire it from the outside for free, and it looks spectacular from the Danube at any hour. But the interior is a completely different experience.
The gilded halls and the Dome Hall where the Hungarian Crown Jewels sit under glass are only accessible on a guided tour, and we'd absolutely recommend going in!

EEA citizens (all EU countries plus Iceland, Liechtenstein and Norway) can get half-price tickets through the official website, but those are non-refundable.
If you're not from the EEA or if your plans have a habit of changing (like ours do), we recommend booking your Parliament ticket through GetYourGuide. That way, you get free cancellation up to 24 hours before your visit.

⏰ Why book ahead: Tours are the only way inside and English slots go first. Same-day tickets are released from 8am at the on-site office, but numbers are tiny.
2. Széchenyi Thermal Baths
Soaking in thermal water after a full day of sightseeing is one of the best things you can do in Budapest. And if you can only visit one bathhouse, we'd pick Széchenyi baths every time.

It's Europe's largest medicinal bath complex, and it’s set inside a gorgeous neo-baroque building in City Park with 15 indoor baths and three huge outdoor pools.
Weekends and peak season get busy, and private changing cabins can sell out. Booking your Széchenyi tickets ahead means you skip the queue and guarantee your slot.
Gellért Baths has a similar demand, but it's closed for renovation until 2028, so Széchenyi is the one to book ahead for now.

Our top tip: Make sure to bring your own flip-flops, swimming cap and towel! Flip-flops are compulsory inside the Széchenyi bath complex, and you'll need a swimming cap if you want to use the lap pools. If you forget them, you'll have to buy a pair at the gift shop, and they’re NOT cheap. It’s a common tourist mistake in Budapest.

Széchenyi also runs a Sparty on Saturday nights. It's an after-dark pool party with DJs and light shows, and a completely different atmosphere to the daytime experience.
Sparty tickets sometimes sell out weeks in advance and are only available online.
⏰ Why book ahead: Walk-ins on weekends can mean waiting over an hour, and cabin availability is limited. Sparty tickets are online-only and sell out fast.
3. Danube evening cruises
We've done night cruises in a lot of cities all over the world, but Budapest was one of our absolute favourites.
Budapest is absolutly gorgeous at night… the Parliament on the Pest side is beautifully lit up from the water, Buda Castle is glowing on the hill, and the Chain Bridge is reflected in the Danube.
We did this exact sightseeing evening cruise and LOVED it from start to finish. The boat was the perfect size (not one of those massive tour boats packed with people), the atmosphere was relaxed, and we even had unlimited drinks included.

If you'd rather have a full sit-down meal on the water, a Danube dinner cruise is a brilliant alternative. Those sell out faster though, so you'll want to book 2-4 weeks ahead during peak season compared to 1-2 weeks for the sightseeing cruise.
⏰ Why book ahead: Sunset and weekend departures are the most popular ones in Budapest and fill up first. Dinner cruises sell out significantly faster than sightseeing ones.
4. Hungarian State Opera House tour
You really don't need to be an opera lover to appreciate this building.
Opened in 1884, the Hungarian State Opera is one of the most beautiful interiors we've seen in Budapest, and the guided tour is a great way to see it properly without booking a performance.

The guided Opera House tour we did took about an hour.
We walked through opulent grand halls, saw the auditorium with its red velvet seats and stunning ceiling fresco, and heard stories from the guide about the building's history and singers who performed there.
At the end of the tour, one of the opera's soloists even did a short live performance, which was a lovely way to round it off.


We booked our tour three days ahead during the off-season and only got the last two spots on the English tour. We wouldn't leave it that late again and instead book 5-7 days in advance.
⏰ Why book ahead: English tours are limited to three daily slots (1:30pm, 3pm and 4:30pm) and regularly sell out.
Worth booking ahead in Budapest
The experiences below won't sell out the way the Parliament tour does, but they're all time-slot-based or capacity-limited enough that a little planning makes a real difference.
Book these things in advance in Budapest, and you'll spend less time queuing and more time actually enjoying the city.
St Stephen's Basilica
St Stephen's Basilica is the largest church in Hungary and one of Budapest's most impressive buildings. You can go up to the dome and get amazing panoramic views over Budapest.


When we visited, there was quite a long queue snaking out from the ticket office. We were really glad that we had pre-booked our St Stephen’s Basilica tickets and were able to walk straight past it.
Same-day tickets are usually available at the door, so this isn't a must-book in the same way the Parliament is. But skipping that queue was reason enough for us!


Our top tip: There are different ticket options, so make sure you choose the one with access to the dome terrace. The church interior alone is beautiful, but the 360-degree view over Budapest is the real highlight here.
Guided walking tours
Whether you're spending one or two days in Budapest (or even longer), we'd ALWAYS recommend doing at least one guided walking tour. It's the fastest way to get your bearings and learn things about the city you'd completely miss on your own.

Budapest has some really fun options. This Budapest highlights tour is a great starting point, but we actually really loved these three themed tours:
None of these will sell out weeks ahead, but popular time slots can fill up. Booking a few days in advance gives you the best pick.
Hospital in the Rock Nuclear Bunker Museum
The Hospital in the Rock is one of Budapest’s most unusual and overlooked attractions. It’s a former wartime hospital built into a cave system in the Buda Hills, which was fully operational during World War II.
They've placed wax figures alongside the original medical and radiological equipment, which gave us a much better sense of how it must have actually looked during the war.
It reminded us of the Churchill War Rooms in London, which uses a similar approach.
Unfortunately, you're not allowed to take pictures inside, so you'll have to experience it in person. You can book the guided tour on the official website to make sure you get the time slot you want.
Dohány Street Synagogue
The Dohány Street Synagogue is the largest synagogue in Europe and the second-largest in the world.
The Moorish Revival architecture is stunning, and the entrance ticket includes a guided tour that gave us great insight into the synagogue's history and the Jewish community in Budapest.

The guides were excellent, though at 14,500 HUF (about US$47, €41, or £35) it felt more like London pricing than Budapest pricing. Most attractions here cost a fraction of that.
During peak season, the entrance queue can get long. You can book your ticket on the official website to skip it.
Popular restaurants
Most casual restaurants in Budapest are walk-in friendly, and you'll rarely have trouble finding a table on a weekday.
But the places everyone talks about can have long waits on weekends. At New York Café, one of the waiters told us that the queue can be up to two hours on busy days, so booking a table ahead makes a real difference.

The same goes for popular spots like Menza or anywhere in the Gozsdu Udvar area, especially Thursday to Sunday.
For Michelin-starred restaurants like Stand, Babel, and Costes, it's worth reserving 1-2 weeks ahead to make sure you get a table.
What you do NOT need to pre-book in Budapest
These are the attractions that come up most often when people ask about pre-booking in the Hungarian capital. The short answer for all of them: just show up.
House of Terror Museum – This museum covers Nazi and Soviet rule in Hungary. It's interesting and informative, but honestly not presented that well. You can't buy advance tickets online here anyway (even though Google and ChatGPT will tell you they do), so you'll need to get them at the entrance. If you do go, definitely get the audio guide as most exhibits aren't in English otherwise.

Fisherman's Bastion – We absolutely love the look of this building. It’s one of our must-sees in Budapest and looks like it belongs in a storybook! The lower terraces are free to visit and open all day. The upper towers have a small entry fee, and you can buy tickets at the automated machines on the spot.

Great Market Hall – The architecture alone is worth the visit here. There’s no booking needed (it’s an indoor market). Just a heads-up… the ground floor is a proper working market where locals buy produce and meats, and that part is great to walk through. But don't eat on the upper floor. It's entirely geared towards tourists, overpriced, and very forgettable. You'll find much better Hungarian food just a few streets away.
Ruin bars – Budapest's ruin bars are all walk-in venues. Some of the more famous ones (like Szimpla Kert) can get very busy on Friday and Saturday nights, so you might have to queue. If you're going with a larger group, it's worth reserving a table, but apart from that.


Retro Interactive Museum – A small museum full of interactive exhibits about everyday life during Soviet-era Hungary. We'll be honest, it's probably more interesting if you have a personal connection to Hungary, but even without one we found it entertaining. You can technically buy your Retro Museum ticket here but they always have tickets at the ticket office as well.
Pinball Museum – A museum with more than 160 vintage arcade games (Europe’s largest interactive museum dedicated to pinball machines!) that you can actually play. You can just buy your ticket at the ticket office.
Museums and galleries – Generally, Budapest’s museums and galleries are easy to visit on the day, including the Hungarian National Gallery.
So, what should you book first?
The Parliament tour… always the Parliament tour!
It's the most beautiful parliament building we've come across, and it's also the one Budapest experience that sells out WEEKS in advance during peak season. We'd book the Hungarian Parliament tour before anything else on your itinerary.
The other experiences on this list have more flexibility than you might expect. Budapest is one of the easy-going capitals in Europe, and most of it really does work on a walk-up basis.
These three will help you plan the rest of your Budapest trip:
Have a brilliant trip!
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