Art Basel’s official Basel fair page and applications calendar date the 2027 flagship 17–20 June 2027; applications for Basel 2027 are open. The official Art Basel 2026 closing story states the 2026 edition took place at Messe Basel and that the 2027 edition will take place 17–20 June with Preview Days 15–16 June — same-venue continuation at Messe Basel. Public opening hours and ticket prices for 2027 are not yet on the overview page.