關於「Vietnam Airlines refund」標籤，搜尋引擎有相關的訊息討論：

Vietnam Airlines' ticket change and refund policyOther change follows fare rules. 2.2. Ticket refunds: Passengers can choose one of two refund methods for flights with departure time changing from 4 hours or ...缺少字詞： gl= twRefund your ticket to a voucher, simple and quick - Vi