: Available when booking a flight or through the United My Trips portal, this allows you to buy miles at a potentially lower rate for a specific trip.

: This feature lets you multiply the miles you earned in the previous month by up to 10x.

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

: 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 .

: 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?

: Only available after purchasing Award Accelerator, this allows you to buy Premier Qualifying Points (PQP) to help reach elite status faster.