Apparently they are also planning on making a version in English, but I'm kind of thinking I'd rather watch the French one. I don't know when the movie will be released in the U.S.
For (slightly) more info, head over to this article by the Verge:
The Little Prince could be one of the most beautiful animated films of 2015
“The most beautiful things in the world cannot be seen or touched, they are felt with the heart.”