Right now, space tourism flights have only reached suborbital space, which means that flights enter space but do not enter orbit around Earth. Scientifically, that’s not a new frontier (done by NASA back in the early 1960s).
Right now, it’s not clear these trips will offer scientists major new insights, but they might provide information that could be used in the future for space exploration. These trips are also being marketed as potential opportunities for scientific experiments.
Suborbital spaceflight might also create new ways to travel from one place on earth to another.