: Airlines can change the "price" of award seats at any time without notice, making your purchased miles less valuable overnight.

Standard pricing often requires purchasing in increments of 1,000 miles. Below are typical costs for a 50,000-mile block as of early 2026: : ~$1,750 (3.5 cents per mile). American Airlines AAdvantage : ~$1,505 (3.0 cents per mile). Alaska Airlines : ~$1,880 (2.7 cents per mile). United MileagePlus : ~$1,222 (2.4 cents per mile). Frontier/Hawaiian : ~$1,250–$1,270 (2.5 cents per mile). Review: When It's Actually Worth It

: Many airlines add a 7.5% federal excise tax on top of the mileage price.

While usually a "bad deal," experts from NerdWallet and The Points Guy suggest three specific scenarios where buying miles makes sense:

: Avoid "mileage brokers." Buying miles from anyone other than the airline directly violates terms of service and can result in your account being permanently closed. A Guide to Buying Airline Miles: When to Buy, When to Skip