Best Frequent Flyer Program (2022)

Use your points any time you wish with Allways Rewards by Allegiant Air. Earn all kinds of rewards in all kinds of ways and explore a variety of exclusive member offers and promotions. It is free to join and points don’t expire until 24 months of inactivity. Earn one point for every dollar spent on Allegiant.com or 2 points per dollar for itineraries over $500. With a no minimum point redemption policy, enjoy the many rewards available to members.  
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SkyMiles members earn miles with flights on Delta and several partner airlines, as well as through Delta Vacations getaways or through myriad hotel, car rental, restaurant and retail partners. Miles never expire and can be used to book travel on Delta or partner airlines, purchase cabin upgrades or shop on the SkyMiles Marketplace.
Photo courtesy of Delta Air Lines

Points never expire with Southwest Airlines Rapid Rewards so long as there's a flight or partner earning activity every 24 months. Southwest offers some 3,900 flights daily, and with no blackout dates and unlimited reward seats, redeeming points is easy. Rapid Rewards members can also earn points on car rentals with Alamo.
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United's MileagePlus program is excellent for domestic and international travelers, who can earn and use points with United and more than 30 partner airlines to access over 1,000 destinations around the globe. Besides booking travel, rewards points can go toward hotels, car rentals, cruises, shopping or dining.
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AAdvantage miles can be earned and redeemed on both American Airlines and oneworld partner airlines. Miles can be redeemed toward flights, hotels, upgrades and retail products, and they can be earned through more than 1,000 partner companies. 
Photo courtesy of American Airlines

Turkish Miles & Smiles might be one of the world’s most underrated frequent flyer programs, but it’s popularity is beginning to explode. The program is loaded with redemption sweet spots that let members travel on the cheap with United, Lufthansa and Turkish Airlines.
Photo courtesy of AFP PHOTO/BULENT KILICBULENT KILIC/AFP/Getty Images

Joining British Airways’ Executive Club entitles members to rewards points known as Avios. These points can be collected when members fly, take a holiday, stay at a hotel, rent a car through British Airways, and a wide variety of partner companies. When enough Avios reward points are collected, members can use them for cabin upgrades, hotels, rental cars, wine, and much more. No matter how often you fly, being an Executive Club member and earning Avios points is rewarding.
Photo courtesy of British Airways

While Flying Blue is the loyalty program for two European airlines, it does offer appealing benefits for American flyers as well, including the ability to earn and redeem miles through SkyTeam airlines and a wide variety of hotel and retail partners. Flying Blue points can also be transferred to and from Chase Ultimate Rewards, Citi ThankYou Rewards, Hilton HHonors and American Express Membership Rewards.
Photo courtesy of KLM

Fliers from across the West Coast and major transportation centers throughout the United States can benefit from Alaska Airlines' Mileage Plan. Passengers earn miles on every flight, as well as on eligible flights with 15 partner airlines and by booking stays with 11 different hotel partners. Points can be used for booking free flights or cabin upgrades, and elite status begins at just 20,000 miles.
Photo courtesy of Alaska Airlines

Emirates Skywards lets members redeem miles for flights on one of the world’s most luxurious airlines, as well as with Alaska Airlines and JetBlue (among others). A recent cut in fuel surcharges has made award tickets much more appealing.
Photo courtesy of Emirates