Dittus joined Santiago based, Selknam, in 2020.[3] He debuted for Selknam in the Super Rugby Americas competition during the 2020 season against Peñarol. In 2021, he scored his first try against Cafeteros Pro in his sides 35–12 victory, he was also given the best Chilean player award that year.[4]
In 2022, he signed a two-year contract with French club, CA Périgueux.[4][5] He debuted for the team during the second round of the Nationale 2 competition, his team won 38–18 against US Tyrosse.[2] Later in the season, he scored his first try in the Nationale promotion quarter-final against AS Bédarrides, his side won 29–6. His club was then promoted after winning the semi-finals against Stade Métropolitain by 60–36 on aggregate. During the final in June against CS Vienne, he scored twice in his teams 39–20 victory to become the first Nationale 2 champions.
During the 2023–2024 Nationale season, he played just two games, and his contract with the club was not renewed at the end of the season. He then signed with CA Sarlat in the Fédérale 1 competition for the 2024–2025 season.[6] He scored his first try for Sarlat against SC Tulle.