Typically, low-cost carriers have smaller size limits for carry-on luggage.
こんにちは！
ご質問ありがとうございます。
ご質問について、いくつか言い方が考えられますが、例えば、
Unlike legacy carriers like JAL, LCCs often charge for checked baggage and have smaller size limits for carry-on luggage. Many LCCs specify that carry-on bags must fit within dimensions of 50cm in height, 40cm in width, and 25cm in depth, with a total of 115cm for all three dimensions combined, and weigh no more than 7kg. They typically allow one free carry-on bag per person.
と言えます。
役に立ちそうな単語とフレーズ
low-cost carrier 格安[航空会社](https://eikaiwa.dmm.com/uknow/questions/14525/)
参考になれば幸いです。
日本 
