Easy Costumes For Women - 44 Halloween Costume Ideas
These are the women's costumes on CostumeRealm built from five or six items, mostly things already sitting in a closet plus one or two accessories worth buying. Rey's arm wraps, Jean Grey's uniform, a Rosie the Riveter bandana, that kind of build.
The catch is the same one every easy costume runs into. With only a few pieces, there's no room for a weak link. If the one signature item, a wig color, a specific prop, a belt, is missing or wrong, the costume stops reading as the character and starts reading as regular clothes.
Six or fewer, with most of them things a lot of people already own.
Some do, some don't. Characters with a very specific hair color, like M3gan or Jean Grey, usually need one. Characters defined more by an outfit or prop usually don't.
Pick one with three or four items you already own, then buy just the signature piece. That's the fastest path on this list.