需要先注册和一定的仓位级别,12月15之前飞。
Promotion code 是ASIA4
* Terms and Conditions:The AAdvantage double miles offer only applies to AAdvantage members who purchase and fly on eligible, published First and Business Class fares booked in F, A, P, J, R, D or I; Economy Class fares booked in Y, B or H on American Airlines or US Airways marketed flights; First and Business Class fares booked in F, A, J, C, D, X or I; Economy Class fares booked in W, E, Y, B or H on Japan Airlines marketed flights. Eligible flights include non-stop flights between North America and Asia from September 9 through December 15, 2015