: This feature lets you multiply the miles you earned in the previous month by up to 10x.
Experts from AwardWallet and NerdWallet generally recommend buying miles only if: Money + Miles - United Airlines buy ua miles
: 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? : This feature lets you multiply the miles
: All mileage purchases are final and non-refundable. Strategic Ways to Buy Miles : All mileage purchases are final and non-refundable
: Miles usually post to your account within 24 to 48 hours , though they can occasionally take up to 72 hours.
: The standard rate is roughly 3.5 cents per mile plus a 7.5% federal excise tax.
Beyond the standard United Buy Miles portal, United offers several integrated "accelerator" features: