In general, most places in the US require a minimum of 500 hours of training at an approved school.
There are many choices today as far as education for massage therapy. It all depends on where you live and whether you have state or local regulations. You can, in some places, either go to a private vocational school, community college, or career institute.
The prices can vary from a few thousand to several thousand dollars. The average cost at a vocational school is 6-8 thoussand dollars for a 500 hour program that can be completed in six months going full time, or 12 months if going part time at nights.
List of massage therapy schools and massage therapy colleges in your area