It may pay off to spend a little extra time shopping online for that last-minute airfare, according to a UC Irvine economist.
In a survey of ticket prices for 238 routes, economist Volodymyr Bilotkach found that the cheapest last-minute fares on Orbitz.com averaged $34.46 - 8.5 percent - less than comparable deals available through Southwest Airlines, which is known for its low prices.
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