On 20 January 2018 Tande achieved the gold medal of the 2018 Ski Flying World Championships. In the three-part competition, he became the ski flying World Champion beating Kamil Stoch and Richard Freitag. Next day, Tande became a double 2018 Ski Flying World Champion. In team competition Norway, including Tande and his teammates Robert Johansson, Johann Andre Forfang and Andreas Stjernen, defended title of Ski Flying World Champions. The same team is 2018 team Olympic champion.