They never released a Spanish film soundtrack. There is, however, a Spanish-language edition of the stage version...the Mexican cast recording with Juan Navarro as the Phantom.
My additional two cents on the various recordings...
The Original London Cast Recording was my introduction to Phantom. Michael Crawford and Sarah Brightman were responsible for what is now twenty years of love for this musical. I loved both of their voices, as well as the music and the story. When I first heard it - I was fourteen when it was released a