Angonas competed at the 2019 Junior World Championships and finished 81st in the all-around.[2] At the 2021 European Championships, he finished 65th in the all-around qualifications.[3]
Angonas competed with the Cypriot team that finished sixth at the 2022 Mediterranean Games.[4] Then in the all-around final, he finished 14th.[5] He then represented Cyprus at the 2022 Commonwealth Games and helped the team win the bronze medal behind England and Canada. This marked the first time a Cyprus gymnastics team won a Commonwealth Games medal.[6] Individually, he advanced into the all-around final and finished 13th.[7] At the 2022 European Championships, he finished 44th in the all-around qualifications and qualified for the 2022 World Championships.[8] There, he finished 55th in the all-around qualifications and did not advance into any finals.[9]
At the 2024 European Championships, Angonas helped Cyprus qualify for their first-ever European team final, where they ultimately finished seventh.[10][11] He competed on the vault, parallel bars, and horizontal bar at the 2024 Szombathely World Challenge Cup but did not advance into any finals.[12]
At the 2025 Games of the Small States of Europe, Angonas led Cyprus to the team title and also won the individual all-around title. In the event finals, he won more gold medals on the parallel bars and horizontal bar, and he won a silver medal on the vault.[13]