The top 10 frequent flyer programs were determined by miles-and-points experts and reader votes.

10. Air France & KLM Flying Blue: Offers miles through airline and retail partners, and miles from multiple rewards programs can be converted to Flying Blue miles.

9. Air Canada Aeroplan: Provides access to 1,200 destinations worldwide and allows for earning miles through flying and online shopping.

Air Canada

8. Alaska Airlines Mileage Plan: Ideal for West Coast travelers, offering miles on flights and hotel stays; MVP status starts at 20,000 miles.

Air Canada

7. Cathay Pacific: Benefits global travelers with miles earned through flights and various partnerships, redeemable for flights and lifestyle rewards.

Air Canada

6. United MileagePlus: Versatile for domestic and international travelers with points usable across United and 30+ partner airlines.

Air Canada

5. American Airlines AAdvantage: Flexible program, with miles earned and redeemed on American Airlines and partner airlines, plus a vast network of partner companies.

Air Canada

4. Southwest Rapid Rewards: Points don't expire, no blackout dates, and unlimited reward seats; earn points through flights, car rentals, hotel stays, and shopping.

Air Canada

3. Delta SkyMiles: Miles earned through flights, vacations, and partner businesses can be used for travel, upgrades, or shopping.

Air Canada

2. Allegiant Air Allways Rewards: Offers flexibility, with points that don't expire for 24 months of inactivity; earn points for every dollar spent on Allegiant.com.

Air Canada

1. Avianca Airlines LifeMiles: Tops the list with exceptional redemption rates for Star Alliance award miles; allows point transfers from various rewards programs.

Air Canada