Personal Finance Insider writes about products, strategies, and tips to help you make smart decisions with your money. We may receive a small commission from our partners, like American Express, but our reporting and recommendations are always independent and objective. The Alaska Airlines Mileage Plan program is worth looking into even if you don't fly with Alaska. There are many ways to earn and redeem Alaska miles, including from co-branded credit cards. One of the best uses of Alaska miles is for long-haul flights with international airline partners. Alaska Airlines Mileage Plan is of the most useful frequent flyer programs, and you don't have to fly Alaska to earn and redeem miles. Even if you live outside of the airline's route network, Alaska miles are still worth collecting largely because of partnerships with several international airlines. With Alaska miles, you can book flights all over the world, and of course domestically.