John Mayer World Tour 2019 John Mayer has added European dates have been added to his World Tour 2019. WEBSITE johnmayer.com SOCIAL 01 OCT 2019 Avicii Arena, Stockholm Support to be announced 03 OCT 2019 Oslo Spektrum, Oslo Support to be announced 04 OCT 2019 Trondheim Spektrum, Trondheim Support to be announced 06 OCT 2019 Royal Arena Copenhagen Support to be announced 07 OCT 2019 Jyske Bank Boxen, Herning Support to be announced 09 OCT 2019 Ziggo Dome, Amsterdam Support to be announced 13 OCT 2019 The O2, London Support to be announced 16 OCT 2019 3Arena Dublin Support to be announced 18 OCT 2019 AO Arena, Manchester Support to be announced