Formal:
* Je voudrais rentrer chez moi. (This is the most formal and polite option.)
Informal:
* Je veux rentrer chez moi. (This is a more direct and casual way to say it.)
* J'ai envie de rentrer chez moi. (This emphasizes the feeling of wanting to go home.)
* J'aimerais rentrer chez moi. (This is a softer and more polite way to express your desire.)
Other options:
* Je suis fatigué(e) et j'ai envie de rentrer. (This means "I'm tired and I want to go home.")
* Il est temps de rentrer. (This means "It's time to go home.")
The best option to use will depend on the situation and your relationship with the person you are speaking to.