In the course of a visit from New York to London, a traveler bid on an unsold business class seat and received the upgrade for less than half the cash price. They retained an eye on upgrade procedures by subscribing for the airline’s e-newsletter and monitored options for past-moment gives. https://businessflightshop.co.uk/blog/what-are-the-top-things-to-remember-when-booking-business-class-flights-to-america/