Onni Valakari is a 27-year-old professional football player from FIN. He currently plays for San Diego FC, wearing the number 8 shirt. At the international level, he represents Finland. He plays primarily as a Forward. He stands at 187cm tall and weighs 76kg. His preferred foot is Left. His current market value is estimated at 5M €.

His most recent move was a Free from Pafos FC to San Diego FC on 2026-01-26. The reported fee was 1.5M €.

In the United States Major League Soccer 2026 season, Onni Valakari scored 1 goals and provided 0 assists across 2 appearances, averaging 0.5 goals per game with 2 shots attempted and 2 on target.