As a result of his impressive displays in his debut season at provincial level, Havili was named as a member of the Crusaders wider training group for the 2015 Super Rugby season. Somewhat surprisingly, he featured 11 times in his first season in Christchurch and helped himself to 2 tries which saw him promoted to the full squad for 2016. He made 14 appearances in 2016 and contributed 2 tries as the Crusaders reached the competition's quarter finals before going down 42-25 to the in Johannesburg. In October 2016, it was announced that he had signed a new 3 year deal which would see him stay with the Crusaders through to the end of the 2019 season.