Not so cheap compared to like other countries, maybe, but still cheaper for students.

相比其他国家，可能也不便宜，但是对于学生来说，还是便宜些。

伦敦生活的优缺点 - SpeakingMax英语口语达人

Well, it's cheap. It's not cheap, but it's cheap when you book in advance.

很便宜。其实也不便宜，但是你提前预订就很便宜。

方便的欧洲之星 - SpeakingMax英语口语达人