Informal:
* Catch ya later: This is the most common and casual way to say "see later."
* See you around: Similar to "catch ya later," but slightly more formal.
* See ya: A shorter version of "see you," often used among friends.
* Later: This is very casual and can be used by itself.
* Cheers: This is a versatile phrase used for goodbyes, thank yous, and even toasts. It can be used as "see you later" in a casual setting.
More formal:
* See you soon: This is a more formal way of saying goodbye.
* Talk to you later: This is a slightly more formal option than "catch ya later."
The best way to say "see later" in Australian English depends on the context and the people you're talking to.