In recognition of its one-year-old partnership with United, US Airways is letting Dividend Miles members bid on all-inclusive vacations to South America offered by United. The minimum bid for each package is 50,000 miles. All bids must be received by 11:59 p.m. ET on Nov. 15.

In addition, Dividend Miles members can earn up to 10,000 bonus miles when they fly United to Buenos Aires, Montevideo, Uruguay, Rio de Janeiro or Sao Paulo.