94 Shares PinAirlines created frequent flyer programs to encourage repeat business from regular travelers. Budget airlines with frequent flyer programs are generally US-based, such as AirTran, Southwest, and Frontier Airlines. Well, your frequent flyer miles aren’t only for you to use, they can be redeemed for anyone you choose. Frequent flyer programs aren’t inherently complicated to use, it’s the cloudy information surrounding them which makes it seem so. What are some of your best tips on using frequent flyer miles and some of the biggest mistakes you’ve made?