The cost/value of a business class seat is a bit like pricing up a economical safety for instance a stock or a choice. The seat price tag will fluctuate determined by variables and current market forces – at some point the seat will expire worthless if unsold. Kayak: Originating from https://businessflightshop.co.uk/blog/how-to-book-the-most-affordable-business-class-or-first-class-flights/