Brussels gets busy from April to June. The city hosts parades, concerts, and outdoor festivals. Many of them are free.

In this guide, you’ll find the top free events in spring in Brussels. We cover what’s happening in April, May, and June—from live music to flowers and street performances.

The Best Events in Spring in Brussels

Looking for things to do in spring in Brussels? From colourful flower shows to live music and city-wide celebrations, spring is one of the best times to explore. Below are the main events happening in April, May, and June. Some are yearly, others come back every two years. Most are free to attend.

Here’s what to add to your calendar:

🎷 Brussels Jazz Weekend (May)

This is one of the biggest free events in Brussels. It takes place every year in late May.

There are live jazz concerts across the city. Big stages are set up at Grand Place, Sablon, and Sainte-Catherine. Bars and clubs also host late-night sets.

You’ll hear all kinds of jazz—classic, swing, funk, and more. It’s relaxed, open to all, and easy to join.

🌸 Iris Festival / Fête de l’Iris (May)

The Iris Festival celebrates the Brussels-Capital Region. It takes place every year in early May.

The weekend includes free concerts, street shows, and open doors at official buildings. Families can enjoy workshops, games, and performances in Parc de Bruxelles. The main stage is on Place des Palais.

It’s one of the most popular events in May in Brussels, and it’s free.

🌷 Floralia Brussels (April–May)

Floralia is a spring flower show held at Groot-Bijgaarden Castle, just outside Brussels. It runs from early April to early May.

The gardens bloom with over a million tulips, hyacinths, and daffodils. You can walk through the park, visit the castle grounds, and enjoy indoor flower displays.

Special weekends include Venetian Days and Maya Days, with costumes, family activities, and workshops.

It’s one of the most colourful events in April near Brussels.

🎭 Zinneke Parade (May – Even Years)

The Zinneke Parade takes place every two years in mid-May. It’s a street parade with music, costumes, and giant moving art made by locals.

Each group builds its own part of the parade—no cars, no advertising. Just people, creativity, and movement. It takes over the city centre for one afternoon.

It’s one of the most original events in May in Brussels, and it’s completely free.

Plan Your Events in Spring in Brussels

Spring in Brussels is full of energy, colour, and free things to do. Whether you’re into music, flowers, culture, or street art—there’s something happening every weekend.

From events in April and May like Floralia, the Iris Festival, and the Zinneke Parade, to free events in June like jazz concerts and outdoor cinema, the city has something for everyone.

✅ Check the full event pages to plan your visit
✅ Many events are free and family-friendly
✅ The best way to see Brussels? Just step outside in spring