Flyer miles refer to reward points or miles earned by flying on a particular airline, which can be redeemed for free flights, upgrades, and other travel-related perks.
You earn frequent flyer miles for taking a flight, but you can also actually earn bonus miles for car rentals and hotel stays as well. (rewardexpert.com)
You can sign up for a frequent flyer account with three different airline alliances and you'll earn frequent flyer miles for most flights. (lifehacker.com)
Best of all, there are no blackout dates, and you can still earn frequent flyer miles with your loyalty program. (upgradedpoints.com)