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72-hour sale: Southwest Airlines fares start at $49 for winter travel sale

A Southwest Airlines plane prepares to land at Midway Airport in Chicago on April 5, 2011.
A Southwest Airlines plane prepares to land at Midway Airport in Chicago on April 5, 2011. (Getty Images)

SAN ANTONIO – Travelers can save big on airfare during Southwest Airlines' 72-hour winter travel sale.

Customers can get one-way domestic fares for as low as $49 and one-way international fares starting at $99. The sale runs through Thursday night.

The fare sales out of San Antonio include $99 flights to getaway destinations such as Denver, Chicago and Las Vegas.

Click here to see available cities and prices on the Southwest Airlines website.