Southwest Airlines' last-minute fares not always the best deal, economist finds

It may pay off to spend a little extra time shopping online for that last-minute airfare, according to a UC Irvine economist.

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<p><a href="http://www.physorg.com/news97246687.html">Southwest Airlines' last-minute fares not always the best deal, economist finds</a></p> <p>It may pay off to spend a little extra time shopping online for that last-minute airfare, according to a UC Irvine economist.</p>