Bid For an up grade: Some airlines allow you to bid for an improve to business class. You may submit a bid to the update and if it’s recognized, you’ll be upgraded at a discounted rate. copyright’ AAdvantage application: A loyalty plan that rewards you for traveling with American https://businessflightshop.co.uk/blog/top-hacks-to-book-tickets-for-cheap-business-class-flights-to-thailand/