an airline passenger registered with a program that provides bonuses, as upgrades or free flights, based especially on distance traveled.
Related formsfre·quent-fli·er, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for frequent flier
As Secretary of State, Hillary Clinton has racked up a lot of frequent-flier miles.Power Tripping: King Juan Carlos I & More (Photos)|The Daily Beast|August 5, 2012|DAILY BEAST
Frequent travelers—myself included—immediately thought of their frequent-flier miles.American Airlines Chapter 11 Filing Won’t Jeopardize Service|Jean Chatzky|November 29, 2011|DAILY BEAST
Reading A Moment in the Sun ought to earn you frequent-flier miles.