Air miles are points earned by flying, spent on future travel. Collect air miles.
Airlines sell them to banks in enormous quantities, which is where most of them come from. Air miles lose value quietly, since the price in points goes up and nobody announces it.
1nounair milesPoints earned by flying, spent on future travel.
“He had enough air miles for one seat and not two.”
air miles is points.
Practised in Airport & Flying