On 25 January 2019, Aguado signed a four-and-a-half-year contract with La Liga side Real Valladolid, being immediately loaned back to Córdoba until the end of the season. Returning to the "Blanquivioletas" for the 2019–20 campaign, he made his debut for the club on 18 December by starting and scoring a brace in a 3–0 Copa del Rey away defeat of Tolosa CF.