Is there a law firm to help get the plane ticket visa and everything to get my fiance to the u.s. I would like to know the total cost involved for thi

if you want to sponsor your fiance for a K visa, the law requires that you both have to physically have met within 2 years prior to filing the visa application. I suggest you work with a lawyer to assist you with your case. Some of us charge an affordable flat fee (no hidden charges)  and remain in the case for its lifespan.