Bid for an improve: Some Airways let you bid for an upgrade to business class. You can post a bid for the up grade and if it’s accepted, you’ll be upgraded at a discounted amount. We may well modify, revise or update this Agreement and/'or perhaps the Privateness Plan, Anytime, https://businessflightshop.co.uk/blog/get-a-business-class-flight-to-explore-the-top-attractions-of-costa-rica/