The term 'Flying Fee' is used to refer to the cost of air travel. The two crossword solutions for this term are 'Airfare' (7 letters) and 'Planefare' (9 letters). Airfare is the cost of a ticket for a flight, while Planefare is the cost of a ticket for a plane journey. Both terms refer to the same thing, but Planefare is more specific in that it refers to the cost of a ticket for a plane journey, rather than any other form of air travel.