
7. Free Spirit
Fans of Spirit Airlines can take advantage of the company’s Free Spirit rewards program to both earn points and redeem them for free flights. The airline, which caters to leisure travelers, flies to 67 destinations in the U.S., the Caribbean and Latin America, such as Puerto Vallarta, Mexico; Fort Lauderdale, Florida; Nashville, Tennessee; and Lima, Peru. Its Free Spirit program lets travelers book reward flights at any time with no blackout dates. Flyers can also earn points by purchasing fares, as well as add-on perks like seat selection and baggage. For additional opportunities to earn points and other benefits, flyers can sign up for a Free Spirit credit card by Bank of America or enroll in the fee-based Spirit Saver$ Club. What’s more, Spirit Airlines has partnerships with select restaurants, Choice Hotels, cruise lines, car rental agencies and more, which allow members to accrue even more points for dining, hotel stays, cruise vacations and car rentals.

8. FRONTIER Miles
The FRONTIER Miles program caters to travelers who fly frequently within the United States. Frontier Airlines services major domestic airports – like those in Denver, Atlanta and Chicago – as well as smaller destinations like Sioux Falls, South Dakota; Fargo, North Dakota; and Missoula, Montana. Frontier also offers flights to various destinations throughout Mexico and Puerto Rico. The FRONTIER Miles program awards miles based on the airport-to-airport air mileage distance flown. Miles earned can be used for free flights and magazine subscriptions. FRONTIER Miles members can also earn miles when staying at certain hotels, purchasing services through partner merchants and charging everyday expenses to the Frontier Airlines World Mastercard credit card by Barclays.