Poland guide

Open’er Festival 2026

Open’er Festival is one of Poland’s largest and most prestigious music festivals, held each summer on the Gdynia-Kosakowo airfield on the Baltic coast.

Quick answer

Open’er Festival is one of Poland’s largest and most prestigious music festivals, held each summer on the Gdynia-Kosakowo airfield on the Baltic coast.

Across several days it brings a major international lineup spanning pop, rock, hip-hop and electronic music, with multiple stages and an on-site campsite. See the official site and our event page below for the confirmed 2026 dates and lineup.

What is Open’er Festival?

Running since 2002, Open’er has built a reputation as one of Europe’s standout summer festivals, regularly booking globally renowned headliners alongside a deep undercard. It draws tens of thousands of fans to the Tricity area (Gdynia, Gdańsk and Sopot) each year.

The festival is staged on the open expanse of the Gdynia-Kosakowo airfield, with several large stages plus food, art and a camping zone.

  • Where: Gdynia-Kosakowo airfield, near Gdynia, Poland.
  • When: each summer, typically in early July — see the event page for the confirmed 2026 dates.
  • Format: multi-day, multi-stage festival with an international lineup and on-site camping.

Planning a trip to Gdynia for Open’er

Gdynia is part of the Tricity on Poland’s Baltic coast, served by Gdańsk Lech Wałęsa Airport and good rail links; shuttle buses typically run to the airfield during the festival. Many visitors combine Open’er with a few days at the seaside in Gdańsk or Sopot.

Book accommodation or a camping pass early, and confirm the exact dates, ticket tiers and lineup on the official site before you travel.

Where is Open’er Festival held?
On the Gdynia-Kosakowo airfield, just outside Gdynia in northern Poland, on the Baltic coast.
When is Open’er 2026?
Open’er takes place in summer, usually in early July. See our linked event page and the official site for the confirmed 2026 dates.
How do I get to the airfield?
The nearest airport is Gdańsk; from the Tricity, trains and festival shuttle buses connect to the Gdynia-Kosakowo site — check the official site for transport details.
Is there camping at Open’er?
Yes — Open’er runs an on-site campsite, with camping passes sold separately. See the official site for options and prices.

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