Brussels Airlines offers to all visitors of Art Nocturne Knocke - (Belgium) a reduction of 20% on b.flex economy return air tickets from Europe to Brussels (excluding taxes and / or supplements). The discount is valid on Brussels Airlines operated flights within its network (not on codeshare partners operated flights). The discount will be allowed to travel from 01 August 2012 till 31 August 2012. Discount is not applicable on other discounts.