Now is the time to take advantage of special First Class fares on United to São Paulo, which are up to 74% less than American, and only $400 more than Business Class. Fine print: travel has to be completed by May 14; 28-day advance purchase; Saturday night; ticketing deadline March 9; booking code A.
Samples of the First Class Fares to São Paulo:
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[["<strong>U.S. Departure City<\/strong>","<strong>First Class<\/strong>","<strong>Business Class<\/strong>","<strong>Difference One-way<\/strong>"],["Washington, DC","$2,879 ","$2,479 ","$400"],["Boston","$2,894 ","$2,494 ","#rowspan#"],["Chicago","$2,979 ","$2,579 ","#rowspan#"],["Las Vegas","$3,094 ","$2,694 ","#rowspan#"],["San Francisco","$3,094 ","$2,694 ","#rowspan#"]]