American Express offers an Airline Incidental fee on a number of their credit cards. This includes a $200 on the consumer American Express Platinum Card, and a $250 credit on the American Express Hilton Aspire Card. While this fee can be used for checked bags, seat selection, in-flight meals and more, it cannot be used to purchase flights themselves, upgrades, etc. … [Read more...] about Why to Pick Your Least Flown Airline for Your Fee Credit