Poland’s Open’er Festival Adds Florence + The Machine and More To 2026 Lineup

New names added to the festival include Jehnny Beth, Panda Bear & Sonic Boom and Just Mustard.

Poland’s Open’er Festival has announced a slew of new artists taking to the stage this year, headlined by UK songstress Florence + The Machine.

Taking place in Gdynia, Poland, Open’er Festival 2026 runs from Wednesday 1 to Saturday 4 July, with the extra names joining Florence + The Machine, including Jehnny Beth, Panda Bear & Sonic Boom, Joy (Anonymous), Just Mustard, supermodel*, Bassvictim, Sadie Jean, Hypen Dash and Łaszewo.

The original bill features Nick Cave and the Bad Seeds, Addison Rae, Calvin Harris, Halsey, the xx, The Cure, Clipse, IDLES, Zara Larsson, Sofi Tukker, Kneecap and more.

Tickets are on sale now via opener.pl.

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Held in Gdynia, Poland, Open’er Festival is one of Europe’s best-kept festival secrets. Every year, it delivers an awesome lineup of top-tier talent and was awarded Best Major Festival and Best Festival Lineup of the Year at the 2024 European Festival Awards.

One of Poland’s biggest annual music festivals, the first edition of Open’er was held at Tor Stegny in Warsaw in 2022, with The Chemical Brothers headlining. The festival moved to Kościuszki Square in Gdynia in 2003, and since 2006, has taken place at Kosakowo Airport (Babie Doly Military Airport) in Gdynia.

Last year’s festival was headlined by Linkin Park, Muse, Future, Nine Inch Nails, Massive Attack and Grace Abrams.

Open’er Festival takes place in Gdynia, Poland, from Wednesday 1 to Saturday 4 July 2026. Tickets are on sale now via opener.pl.