Airline miles are oftentimes the most valuable award travel currency. While many travel rewards are worth around 1 cent each, airline miles can be worth up to 6 cents each for first-class flights. Despite the potentially high valuations, miles are not always worth earning.

Earning airline miles is absolutely worth the effort, provided you view them as a "long-term currency" rather than a quick cash-back equivalent. In 2026, the real value of miles lies in "outsized redemptions" for international Business or First Class travel, where a ticket that costs $5,000 can often be secured for 60,000 to 80,000 miles plus minimal taxes. If you use miles for domestic economy flights, you typically get a value of about 1 to 1.5 cents per mile, which is "fine" but not spectacular. However, by using co-branded credit cards for everyday spending and utilizing "shopping portals," you can accumulate "free" travel for expenses you were already going to incur. The primary downsides are "devaluations," where airlines increase the number of miles needed for a flight, and limited "award seat" availability during holidays. For the casual traveler, earning miles is a great way to subsidize an annual vacation; for the frequent traveler, it is the key to experiencing luxury travel that would otherwise be cost-prohibitive. As long as you don't "hoard" them—since miles do not gain interest and can lose value over time—the return on investment for simply signing up for a free loyalty program is undeniably high.