Telekinetics can fly through space but can still run out of oxygen
Reading List (Super behind but reading them nonetheless):
DC: Currently figuring that out
Marvel: Read above
Image: Killadelphia, Nightmare Blog
Other: The Antagonist, Something is Killing the Children, Avatar: TLAB
Manga: My Hero Academia, MHA: Vigilanties, Soul Eater: the Perfect Edition, Berserk, Hunter X Hunter, Witch Hat Atelier, Kaiju No. 8
Remember that Nightcrawler and Wolverine burnt to a crisp from being outside. So, in addition, to be able to survive in space the person has to be able to survive the intensiveness of a star directly being in the area