Most venues have pre-sales via their website or at jazzfest.dk. See information under each concert in the concert program.
Buy your tickets in advance to avoid lining up at the entrance
Some venues sell tickets at the door starting one hour before the beginning of the show.
Any discounts can be found in the concert overview in the printed program and under the concert descriptions at jazzfest.dk See information under each concert in the concert program, and click on Billetinfo.