Purchased miles cannot be returned for cash.
United recently introduced a restriction limiting purchases to 50,000 miles per rolling 90-day period . Promotional Pricing buy united miles price
Buying a few thousand miles to reach a specific award ticket is the most common and logical use. Purchased miles cannot be returned for cash
These miles do not count toward Premier status (PQP/PQF). These miles do not count toward Premier status (PQP/PQF)
Miles can take up to 48 hours to post to your account. Buy or Transfer MileagePlus Miles
United frequently runs sales that can reduce the cost by up to 50% or offer a 100% bonus. These promotions are often targeted and vary by member. Promo Type Targeted Rate (incl. tax) Value Proposition ~3.76¢ per mile Rarely worth it for full tickets. 80% Bonus Sale ~2.08¢ per mile Potentially useful for specific business class redemptions. 100% Bonus / 50% Off ~1.88¢ per mile The historical best rate recently available. Is it Worth Buying?
Standard United Airlines miles cost (3.5 cents per mile), plus a 7.5% federal excise tax , bringing the total base rate to approximately 3.76 cents per mile . United Buy Miles Pricing & Limits