Buy Ua Miles -

: The standard rate is roughly 3.5 cents per mile plus a 7.5% federal excise tax.

: This flexible payment option allows you to use a combination of cash and a minimum number of miles to pay for a flight during checkout. Is Buying Miles Worth It?

Experts from AwardWallet and NerdWallet generally recommend buying miles only if: Money + Miles - United Airlines buy ua miles

: All mileage purchases are final and non-refundable. Strategic Ways to Buy Miles

Buying United Airlines MileagePlus miles is a strategic way to "top off" your account for an award flight, though it generally costs more than the miles are worth unless you take advantage of periodic promotions. United frequently runs sales offering up to a or a 100% bonus , which can drop the price to approximately 1.88 cents per mile . Core Purchase Features & Limits : The standard rate is roughly 3

: You can typically purchase up to 200,000 miles per calendar year . As of 2026, a newer restriction limits members to purchasing a maximum of 50,000 miles within any consecutive 90-day period .

Beyond the standard United Buy Miles portal, United offers several integrated "accelerator" features: Core Purchase Features & Limits : You can

: Miles usually post to your account within 24 to 48 hours , though they can occasionally take up to 72 hours.