It can typically rely upon the airline, route, and aircraft kind. Some Airways could give a hybrid class involving business and first, while some may have a larger hole concerning the two classes. On the list of best perks of first-class fares is the fact passengers can normally upgrade (both https://businessflightshop.co.uk/blog/buy-cheap-business-class-flights-from-uk-to-costa-rica-for-a-healing-holiday/