Onni Valakari is a professional footballer from FIN and is currently 27 years old. He is on the books of San Diego FC and wears shirt number 8. At international level, he features for Finland. His main role on the pitch is Forward. He measures 187cm in height and weighs 76kg. His stronger foot is Left. His estimated market valuation currently stands at 5M €.

His latest transfer saw him join San Diego FC from Pafos FC via Free on 2026-01-26. The move was reported at 1.5M €.

During the United States Major League Soccer 2026 campaign, Onni Valakari made 2 appearances, scoring 1 goals and adding 0 assists. He averaged 0.5 goals per match from 2 shots, with 2 on target.