Whether or not you can bring your cat on a plane depends on the policy of the airline you choose. Some airlines allow passengers to bring their cats into the cabin under certain conditions, while others may require cats to be checked baggage or not allow them at all.

General requirements for bringing a cat
Pet age and weight: Generally, pets must be older than 6 months and their weight must not exceed a certain limit, such as 5kg.
Pet breeds: Certain breeds of cats and dogs may not be allowed in the cabin.
Health certificates and vaccination certificates: Valid health certificates and vaccination certificates are required, including animal quarantine certificates, pet registration certificates, vaccination schedules, etc.
Flight case: A special travel container (flight case) that meets the requirements of air transport must be prepared and properly secured.